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Contents
- The climate of La Rochelle
- The best time to visit La Rochelle
- The worst time to visit La Rochelle
- Spring weather in La Rochelle
- Summer weather in La Rochelle
- Autumn weather in La Rochelle
- Winter weather in La Rochelle
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of La Rochelle
The city of La Rochelle is located on the western coast of France and is classified under the Köppen Climate Classification as Cfb, which indicates a marine west coast climate with a warm summer. Throughout the year, the weather experiences mild variations, with an evident maritime influence.
Average high temperatures in La Rochelle fluctuate from 9.4°C (48.9°F) in January to 23.3°C (73.9°F) in August. There’s not a drastic temperature differential during the year, as the town benefits from the tempering maritime influence. The low temperatures, on the other hand, range from a mild 6°C (42.8°F) to 17°C (62.6°F) from January to August respectively.
When looking at the rainfall distribution, La Rochelle receives precipitation more or less throughout the year. The months with the highest rainfall are November and December with 84mm (3.31") and 69mm (2.72") respectively, while the least rainfall occurs in July with 26mm (1.02"). The average number of rainy days per month fluctuates between 9.5 and 16.9 throughout the year.
Regarding other weather parameters, the highest relative humidity is found in January and November, both months reaching 82%. Snowfall is almost nonexistent, with minimal amounts only in January and March. In terms of sunshine, July enjoys the greatest number of sunshine hours per month at 10.2 hours.
Average high temperatures in La Rochelle fluctuate from 9.4°C (48.9°F) in January to 23.3°C (73.9°F) in August. There’s not a drastic temperature differential during the year, as the town benefits from the tempering maritime influence. The low temperatures, on the other hand, range from a mild 6°C (42.8°F) to 17°C (62.6°F) from January to August respectively.
When looking at the rainfall distribution, La Rochelle receives precipitation more or less throughout the year. The months with the highest rainfall are November and December with 84mm (3.31") and 69mm (2.72") respectively, while the least rainfall occurs in July with 26mm (1.02"). The average number of rainy days per month fluctuates between 9.5 and 16.9 throughout the year.
Regarding other weather parameters, the highest relative humidity is found in January and November, both months reaching 82%. Snowfall is almost nonexistent, with minimal amounts only in January and March. In terms of sunshine, July enjoys the greatest number of sunshine hours per month at 10.2 hours.
The best time to visit La Rochelle
Considering the climate patterns, the best time to visit La Rochelle is from June to September. During these months, the pleasant weather conditions allow for outdoor activities as it’s the warmest period of the year with average high temperatures escalating from 20.7°C (69.3°F) in June to a peak of 23.3°C (73.9°F) in August. July stands out not only for being the warmest month but also for having the lowest rainfall levels with an average of 26mm (1.02"), making it ideal for exploring the town and its surroundings.
The worst time to visit La Rochelle
If avoiding heavy rainfall is of significance, November should be avoided when planning a trip to La Rochelle. This month exhibits the heaviest rainfall with a total of 84mm (3.31"). Furthermore, the months of January and December also experience slightly higher levels of rainfall with average high temperatures ranging from 9.4°C (48.9°F) to 11°C (51.8°F), which could make outdoor activities less enjoyable due to the combination of cooler temperatures and heavier rainfall.
Spring weather in La Rochelle
During spring, from March to May, temperatures experience a comfortable increase. Highs range from 12.4°C (54.3°F) in March to 17.6°C (63.7°F) in May. These months observe an average rainfall of 38mm (1.5") to 35mm (1.38") respectively, which makes for relatively good weather conditions for outdoor activities. Moreover, daylight hours increase from 11.9 hours in March to 15 hours by May, offering longer days for visitors to enjoy the city's attractions.
Summer weather in La Rochelle
Summertime, from June through August, sees the warmest temperatures of the year. During these months, maximum temperatures linger from 20.7°C (69.3°F) in June to a peak of 23.3°C (73.9°F) in August. Accompanied by less frequent rain, this season is perfect for enjoying various outdoor activities. A notable attribute of the summer season in La Rochelle is the abundant sunshine, with hours peaking at 10.2 in July.
Autumn weather in La Rochelle
Autumn months spanning from September to November, witness a mild decrease in temperature. Highs descend from 21.4°C (70.5°F) in September to 13.5°C (56.3°F) by November. Despite a moderate increase in rainfall throughout the season, the weather remains reasonably pleasant, especially in the early stages of autumn.
Winter weather in La Rochelle
Throughout the winter months, La Rochelle experiences relatively mild climatic conditions. From December through February, temperatures vary from a high of 11°C (51.8°F) in December to a lower limit of 9.4°C (48.9°F) in January. Although the city receives slightly higher rainfall during this season, heavy snowfall is not common. Rather than snow, visitors can expect cooler, wetter weather conditions during these months.
Weather in January
La Rochelle weather in January offers a glimpse into winter conditions along the French coastline, with light snowfall recorded at 2mm (0.08"). The days are shorter this time of year, but the city preserves a charming beauty under the pallor of winter skies. Weather in January »
Weather in February
Equipped with the coldest sea temperatures of the year, February's climate in La Rochelle might feel sharper than earlier months. Though it is still winter, there is a palpable sense of days growing longer and the city tiptoeing towards spring. Weather in February »
Weather in March
As the seasons change, March brings a scenic transformation to La Rochelle, with an increase in the average temperature to 12.4°C (54.3°F). Daily life starts humming with more activity, as locals enjoy longer daylight hours and appreciate the first signs of spring. Weather in March »
Weather in April
While April showcases joyous spring weather in La Rochelle, it also carries the lowest pressure of the year at 1015.6mb. The increase in temperature and sunshine hours cultivates an enthralling atmosphere in the city. Outdoor attractions and cafes become more frequented, buzzing with visitors and locals alike. Weather in April »
Weather in May
Weather patterns in May offer a delightful mix in La Rochelle, supporting growth in both land and ocean temperatures. The month displays an appealing balance of French charm and pleasant weather conditions. Excursions to nearby Ile de Re become a popular choice, with scenic bicycle rides and sunset views. Weather in May »
Weather in June
June weather sends resounding signals of summer's approach in La Rochelle, led by the high sea temperature of 18.1°C (64.6°F). It marks a popular time for beach activities and ocean adventures, such as sailing and paddleboarding. Weather in June »
Weather in July
With the highest temperature of the year being 22.9°C (73.2°F), July is undeniably the peak of summer in La Rochelle. Visitors and locals bask in the extended daylight, with leisure activities often lasting into the night hours. Weather in July »
Weather in August
August in La Rochelle owns the year's driest month with only 29mm (1.14") of rainfall measured. The weather is conducive for exploring the city's fortress towers and enjoying the artisan ice cream available in quaint shops. As the intense summer heat persists, shady spots in parks and beside ancient structures offer respite. Weather in August »
Weather in September
September signals the gradual departure of summer in La Rochelle, but the weather remains enticing with an average temperature of 21.4°C (70.5°F). As the seasonal crowd disperses, the city resumes a more relaxed rhythm. With the sea still warm, it is a delightful time for serene swims and peaceful boat rides. Weather in September »
Weather in October
Autumn firmly claims La Rochelle in October, bringing with it a drop in temperature and an increase in rainfall to 46mm (1.81"). The city's scenery starts displaying fiery autumnal hues against the sand-colored edifices. As the days shorten and the chill seeps in, local dishes like Moules Marinière or Pot-au-feu become increasingly comforting. Weather in October »
Weather in November
Darker, shorter days and higher precipitation levels of 84mm (3.31") mark November's presence in La Rochelle. The city's warm glow against the drizzling rain offers its own charm, with the wet cobblestones reflecting the yellow street lights. Weather in November »
Weather in December
The alluring charm of La Rochelle in December is accompanied by the lowest wind speed of the year at 21.6km/h (13.4mph). Amid shorter daylight hours, twinkling festive lights imbue the town with a different kind of daylight. The appeal of spending time indoors is heightened due to the cold temperatures. Weather in December »
Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in La Rochelle?
The coldest temperatures in La Rochelle occur during January, when averages reach a peak of 9.4°C (48.9°F) and a low of 6°C (42.8°F).
What is the most humid month in La Rochelle?
January is the most humid month, with an average relative humidity of 82%.
How much does it rain in La Rochelle?
Throughout the year, in La Rochelle, there are 161.5 rainfall days, and 528mm (20.79") of precipitation is accumulated.
When it does not snow in La Rochelle?
January, April through November are months without snowfall in La Rochelle.
How much does it snow in La Rochelle?
In La Rochelle, France, during the entire year, snow falls for 1 days and aggregates up to 9mm (0.35") of snow.
What is the month with the least sunshine in La Rochelle?
The months with the least sunshine in La Rochelle are January, November and December, with an average of 4.9h of sunshine.
When is the lowest UV index in La Rochelle?
The months with the lowest UV index in La Rochelle are January through April, November and December, with an average maximum UV index of 3.
When does it snow in La Rochelle?
Months with snowfall are February, March and December.
What is the month with the coldest sea water in La Rochelle?
February is the month with the coldest seawater in La Rochelle, France, with an average sea temperature of 9.9°C (49.8°F).
What is the snowiest month in La Rochelle?
The month with the most snowfall in La Rochelle is March, when snow falls for 0.1 days and typically aggregates up to 4mm (0.16") of snow.
What are the months with the highest UV index in La Rochelle?
The months with the highest UV index are May through September, with an average maximum UV index of 5.
When are the longest days in La Rochelle?
June has the longest days of the year, with an average of 15h and 42min of daylight.
What is the driest month in La Rochelle?
The month with the least rainfall in La Rochelle, France, is July, when the rain falls for 12.9 days and typically collects 26mm (1.02") of precipitation.
What month has the most sunshine in La Rochelle?
The month with the most sunshine in La Rochelle, France, is July, with an average of 10.2h of sunshine.
What is the warmest month in La Rochelle?
In La Rochelle, the peak temperatures are generally noted in August, averaging a high of 23.3°C (73.9°F) and a low of 17°C (62.6°F).
What month is the sea warmest in La Rochelle?
The month with the warmest seawater in La Rochelle, France, is August, with an average sea temperature of 19.8°C (67.6°F).
What is the least humid month in La Rochelle?
September is the least humid month in La Rochelle, France, with an average relative humidity of 71%.
When is Daylight Saving Time (DST) in La Rochelle?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the wettest month in La Rochelle?
The month with the most rainfall in La Rochelle is November, when the rain falls for 16.9 days and typically aggregates up to 84mm (3.31") of precipitation.
What is the month with the shortest days in La Rochelle?
With an average of 8h and 42min of daylight, December has the shortest days of the year.
Average temperature
La Rochelle, France
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (9.4°C).
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).
Average pressure
La Rochelle, France
- Average pressure in January:
1018.8mbar - Average pressure in February:
1017.4mbar - Average pressure in March:
1016.9mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1017.1mbar - Average pressure in June:
1016.9mbar
- Average pressure in July:
1017.4mbar - Average pressure in August:
1017.4mbar - Average pressure in September:
1018.2mbar - Average pressure in October:
1016.8mbar - Average pressure in November:
1014.1mbar - Average pressure in December:
1019.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed
La Rochelle, France
- Average wind speed in January:
21.1km/h - Average wind speed in February:
21.5km/h - Average wind speed in March:
19.7km/h - Average wind speed in April:
16.7km/h - Average wind speed in May:
16.8km/h - Average wind speed in June:
15.5km/h
- Average wind speed in July:
15.2km/h - Average wind speed in August:
14.5km/h - Average wind speed in September:
15.4km/h - Average wind speed in October:
17.3km/h - Average wind speed in November:
21.1km/h - Average wind speed in December:
21.6km/h
The windiest month (with the highest average wind speed) is December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.5km/h).
Average humidity
La Rochelle, France
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is September (71%).
Average rainfall
La Rochelle, France
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days
La Rochelle, France
- Average rainfall days in January:
16.4 days - Average rainfall days in February:
13.4 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
12.7 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
12.9 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
16.9 days - Average rainfall days in December:
15.8 days
The month with the highest number of rainy days is November (16.9 days).
The month with the least rainy days is September (9.5 days).
Average snowfall
La Rochelle, France
The month with the highest snowfall is March (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
La Rochelle, France
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.4 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
La Rochelle, France
The best month for swimming (with the highest average sea temperature) is August (19.8°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).
Average daylight / Average sunshine
La Rochelle, France
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
7h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 2min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 3min - Average sunshine in September:
8h and 2min - Average sunshine in October:
7h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 54min).
Average sunshine days
La Rochelle, France
- Average sunshine days in January:
12.4 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
15.7 days - Average sunshine days in May:
16.2 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
17 days - Average sunshine days in September:
18.9 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
12.9 days
The month with the most sunshine days is September (18.9 days).
The month with the least sunshine days is November (10.9 days).
Average UV index
La Rochelle, France
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover
La Rochelle, France
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility
La Rochelle, France
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
