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Contents
- The climate of Biarritz
- The best time to visit Biarritz
- The worst time to visit Biarritz
- Spring weather in Biarritz
- Summer weather in Biarritz
- Autumn weather in Biarritz
- Winter weather in Biarritz
- 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
The climate of Biarritz
Biarritz, a city on the southwest coast of France, has a predominant Marine West Coast climate, also known as Oceanic climate, classified as 'Cfb' according to the Köppen climate classification. This climate type typically features cool summers and mild winters. The climatic data showcases measurable changes in temperature throughout the year, ranging from a high of 24.4°C (75.9°F) in August to a low of 6.2°C (43.2°F) in February. Daily short-term fluctuations in temperature are, of course, expected to be more dramatic.
Rainfall is a frequent occurrence in Biarritz, with the wettest month being November with an average of 119mm (4.69") of rain over a period of 17.4 days. However, the driest month is September, which, on average, sees just 40mm (1.57") of rainfall spread across approximately 13.5 days. The city also experiences occasional snowfall, with January and March each witnessing an average of 1mm (0.04") of snow. Comparable minor amounts of snowfall also occur in December. Nevertheless, these snowfalls are rare and mostly insignificant.
The pressure ranges from 1015.6mb in April to 1021.7mb in December, which factors into the prevailing wind speeds, with an average speed of 10.4km/h (6.5mph) in July to 15.1km/h (9.4mph) in January and November. This coastal city experiences moderate to high levels of humidity, with the lowest level in the year being 73% in October and the highest reaching 80% in June.
Rainfall is a frequent occurrence in Biarritz, with the wettest month being November with an average of 119mm (4.69") of rain over a period of 17.4 days. However, the driest month is September, which, on average, sees just 40mm (1.57") of rainfall spread across approximately 13.5 days. The city also experiences occasional snowfall, with January and March each witnessing an average of 1mm (0.04") of snow. Comparable minor amounts of snowfall also occur in December. Nevertheless, these snowfalls are rare and mostly insignificant.
The pressure ranges from 1015.6mb in April to 1021.7mb in December, which factors into the prevailing wind speeds, with an average speed of 10.4km/h (6.5mph) in July to 15.1km/h (9.4mph) in January and November. This coastal city experiences moderate to high levels of humidity, with the lowest level in the year being 73% in October and the highest reaching 80% in June.
The best time to visit Biarritz
The optimal time to visit Biarritz spans from June to August. This period is characterized by relatively warmer temperatures, with an average high hovering around 21.2°C (70.2°F) to 24.4°C (75.9°F), and long daylight hours ranging between 13.9 hours to 15.4 hours. July also offers the highest UV index of 5, hinting towards plenty of sunny days, perfect for sunbathing or water sports. With the sea temperature reaching a delightful 20.7°C (69.3°F) to 21.4°C (70.5°F), this period is great for beach activities.
The worst time to visit Biarritz
Traveling to Biarritz during the cold and rainy months of November and December might be less enjoyable for many. With average low temperatures decreasing to 10.3°C (50.5°F) to 8°C (46.4°F) and the highest rainfall recorded at 119mm (4.69") in November. Moreover, the month of December presents relatively shorter daylight hours of approximately 9 hours.
Spring weather in Biarritz
Spring in Biarritz extends from March to May. During this period, temperatures gradually rise from an average high of 13.8°C (56.8°F) in March to 17.9°C (64.2°F) by May. Meanwhile, low temperatures ascend from 7.6°C (45.7°F) to 11.8°C (53.2°F). The amount of rainfall also decreases from March to May with respective readings of 61mm (2.4"), 56mm (2.2"), and 78mm (3.07").Sunshine hours range from 7 hours in March to 8.5 hours in May, signaling longer and brighter days.
Summer weather in Biarritz
The summer season in Biarritz, from June to August, brings higher temperatures, longer days, and lower precipitation. The average high temperatures are within the range of 21.2°C (70.2°F) to 24.4°C (75.9°F), with the sea temperature warming up to 19.3°C (66.7°F) to 21.4°C (70.5°F), perfect for swimming. August, the warmest month, experiences the highest average temperature of 24.4°C (75.9°F). June and July have the least rainfall, measuring 68mm (2.68") and 49mm (1.93") respectively.
Autumn weather in Biarritz
Autumn, from September to November, witnesses a gradual cooling trend in Biarritz, with high temperatures dropping from 22.6°C (72.7°F) in September to 14.5°C (58.1°F) in November. Simultaneously, low temperatures decrease from 15.1°C (59.2°F) to 10.3°C (50.5°F). However, November observes a substantial increase in rainfall recording an average of 119mm (4.69").
Winter weather in Biarritz
Winter in Biarritz, spanning from December to February, comes with cooler temperatures and substantial rainfall. The average high temperatures fluctuate between 12.2°C (54°F) to 10.8°C (51.4°F), with the lowest temperatures ranging from 8°C (46.4°F) to 6.8°C (44.2°F). January and February witness a marginal snowfall of 1mm (0.04") each. Moreover, December marks the highest pressure reading of the year at 1021.7mb.
Weather in January
January sees Biarritz embraced by relatively cool weather, with some of the lowest monthly temperatures and few sunshine hours for the year. At this time, the rain starts pouring, often accompanied by snowfall, albeit just 1mm (0.04"). Weather in January »
Weather in February
February shows a minimal rise in temperature from January, accompanied by a decrease in average rainfall. Snowfall increases hand-in-hand with a decrease in humidity. As the month progresses, conditions generally become more favorable for outdoor activities as visibility improves by a kilometer from 9km (5.6mi) to 10km (6.2mi). Weather in February »
Weather in March
March in Biarritz retains its characteristic spring freshness while shaking off the last vestiges of winter's chill. Temperatures continue their slow rise from the winter lows of January, and the city sees a decrease in both precipitation and humidity relative to February. Weather in March »
Weather in April
April boasts a special charm in Biarritz as the weather steadily warms up and spring unveils its full blossom. The temperatures continue their rise, settling in the low 16°C (60.8°F). Rainfall and humidity stay steady, while snowfall has vanished entirely. Weather in April »
Weather in May
We cannot talk about May in Biarritz without mention of its pleasant balance between rainfall, humidity, and warmer temperatures. As the month progresses, a slight rise in rainfall from 56mm (2.2") to 78mm (3.07") accompanies the steady climb of temperatures. Weather in May »
Weather in June
June experiences an undeniable shift towards summer. The most notable characteristic of the month is the daylight hours peaking to an average of 15.4 hours. By this point, the average sea temperature rises to a warm 19.3°C (66.7°F), encouraging early summer beach days. Weather in June »
Weather in July
July is the peak of summer in Biarritz with the highest temperatures experienced all year, soaring to an average of 23.5°C (74.3°F). The day features the longest sunny moments, with about 9.3 hours of sunshine. Rainfall drops to just 49mm (1.93"), the lowest recorded for the year. Weather in July »
Weather in August
In August, Biarritz maintains its summer allure, with the highest sea temperatures, averaging at 21.4°C (70.5°F), and a slight dip in rainfall. While temperatures stay near their July highs, sunshine hours decrease slightly. The decrease in cloud cover contributes to the steady weather pattern of warm, sunny days and scarce rain. Weather in August »
Weather in September
September marks the transition from summer to autumn in Biarritz, with slightly cooler temperatures but retaining the mild sea temperature of 20.8°C (69.4°F). Sunshine hours decrease but still remain relatively high. Relative humidity begins its increase as rainfall jumps from 49mm (1.93") to 40mm (1.57"). Weather in September »
Weather in October
October brings a palpable change in Biarritz's weather with reduced temperatures, more rain, and less sunshine. The transition showcases the chilly autumn weather, a noticeable change from the fading summer warmth of September. Weather in October »
Weather in November
In November, Biarritz drifts into its cold season, with temperatures plummeting while rainfall hikes to its highest volume of 119mm (4.69"). There's a considerable decrease in sea temperature, dropping to 16.4°C (61.5°F). The weather pattern reflects the onset of winter with significantly shorter days and less sunshine. Weather in November »
Weather in December
December presents Biarritz in full winter mode with a continuous drop in temperature and daylight hours shrinking to 9 hours. There's a decrease in rainfall volumes from November, accompanied by a drop in sea temperature to a cool 14.3°C (57.7°F). 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 are the coldest months in Biarritz?
Biarritz experiences its lowest temperatures in January, with an average peak of 10.8°C (51.4°F) and a low of 6.8°C (44.2°F).
How many days does it rain in Biarritz?
Throughout the year, in Biarritz, France, there are 189.1 rainfall days, and 795mm (31.3") of precipitation is accumulated.
When does it snow in Biarritz?
January through March and December are months with snowfall in Biarritz.
How many days does it snow in Biarritz?
Throughout the year, in Biarritz, France, there are 1.7 snowfall days, and 9mm (0.35") of snow is accumulated.
What is the month with the lowest UV index in Biarritz?
The months with the lowest UV index in Biarritz, France, are January, February, November and December, with an average maximum UV index of 3.
What is the snowiest month in Biarritz?
The month with the most snowfall in Biarritz is February, when snow falls for 0.8 days and typically aggregates up to 5mm (0.2") of snow.
When is the sea coldest in Biarritz?
February is the month with the coldest seawater in Biarritz, with an average sea temperature of 12.4°C (54.3°F).
When it does not snow in Biarritz?
In Biarritz, France, snow does not fall in April through November.
What is the most humid month in Biarritz?
The most humid month in Biarritz, France, is June, with an average relative humidity of 80%.
When are the longest days in Biarritz?
June has the longest days of the year, with an average of 15h and 24min of daylight.
What are the months with the highest UV index in Biarritz?
The months with the highest UV index are June through September, with an average maximum UV index of 5.
What month has the most sunshine in Biarritz?
The month with the most sunshine in Biarritz is July, with an average of 9.3h of sunshine.
What is the hottest time of year in Biarritz?
In Biarritz, the peak temperatures are generally noted in August, averaging a high of 24.4°C (75.9°F) and a low of 17.1°C (62.8°F).
What month is the sea warmest in Biarritz?
August is the month with the warmest seawater in Biarritz, France, with an average sea temperature of 21.4°C (70.5°F).
What is the driest month in Biarritz?
September is the month with the least rainfall in Biarritz. Rain falls for 13.5 days and accumulates 40mm (1.57") of precipitation.
What is the least humid month in Biarritz?
The least humid month is October, with an average relative humidity of 73%.
When is Daylight Saving Time (DST) in Biarritz?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Biarritz, France, 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 Biarritz?
November is the month with the most rainfall. Rain falls for 17.4 days and accumulates 119mm (4.69") of precipitation.
What is the month with the least sunshine in Biarritz?
November has the least sunshine of the year, with an average of 4.9h of sunshine.
What is the month with the shortest days in Biarritz?
December has the shortest days of the year in Biarritz, with an average of 9h and 0min of daylight.
Average temperature
Biarritz, France
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (10.8°C).
The month with the highest average low temperature is August (17.1°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).
Average pressure
Biarritz, France
- Average pressure in January:
1020.3mbar - Average pressure in February:
1018.7mbar - Average pressure in March:
1017.5mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1017.3mbar - Average pressure in June:
1017.4mbar
- Average pressure in July:
1018mbar - Average pressure in August:
1017.9mbar - Average pressure in September:
1018.4mbar - Average pressure in October:
1017.1mbar - Average pressure in November:
1015.7mbar - Average pressure in December:
1021.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed
Biarritz, France
- Average wind speed in January:
15.1km/h - Average wind speed in February:
14.9km/h - Average wind speed in March:
13.9km/h - Average wind speed in April:
12.2km/h - Average wind speed in May:
12.2km/h - Average wind speed in June:
11.2km/h
- Average wind speed in July:
10.4km/h - Average wind speed in August:
10km/h - Average wind speed in September:
10.3km/h - Average wind speed in October:
11.3km/h - Average wind speed in November:
15.1km/h - Average wind speed in December:
14.8km/h
The windiest months (with the highest average wind speed) are January and November (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity
Biarritz, France
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Biarritz, France
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days
Biarritz, France
- Average rainfall days in January:
17.2 days - Average rainfall days in February:
14.5 days - Average rainfall days in March:
16.2 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13 days - Average rainfall days in November:
17.4 days - Average rainfall days in December:
14.5 days
The month with the highest number of rainy days is April (17.8 days).
The month with the least rainy days is October (13 days).
Average snowfall
Biarritz, France
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Biarritz, France
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.3 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:
0.3 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Biarritz, France
The best month for swimming (with the highest average sea temperature) is August (21.4°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).
Average daylight / Average sunshine
Biarritz, France
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
6h and 2min - Average sunshine in March:
7h and 0min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 3min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
8h and 4min - Average sunshine in September:
8h and 2min - Average sunshine in October:
7h and 5min - Average sunshine in November:
4h and 5min - Average sunshine in December:
5h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 54min).
Average sunshine days
Biarritz, France
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
10.4 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.2 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
11.1 days - Average sunshine days in December:
14.2 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index
Biarritz, France
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Biarritz, France
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility
Biarritz, France
The months with the highest visibility are February, March, June, August, September, October, November and December (10km).
The months with the lowest visibility are January, April, May and July (9km).
Biarritz, France
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