Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July in Rennes, France, reports an average high-temperature of a warm 23°C (73.4°F), slightly varied from June's 20.7°C (69.3°F). Rennes's average low-temperature for the month of July records at a fresh 12.8°C (55°F).Humidity
The months with the lowest humidity are July through September, with an average relative humidity of 78%.Rainfall
In Rennes, France, during July, the rain falls for 12.8 days and regularly aggregates up to 21mm (0.83") of precipitation. Throughout the year, in Rennes, there are 150.1 rainfall days, and 330mm (12.99") of precipitation is accumulated.Snowfall
In Rennes, snow does not fall in May through October.Daylight
In Rennes, the average length of the day in July is 15h and 36min.On the first day of the month, sunrise is at 06:11 and sunset at 22:10. On the last day of July, sunrise is at 06:42 and sunset at 21:44 CEST.
Sunshine
July has the most sunshine of the year, with an average of 9.7h of sunshine.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in July translates into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in July in Rennes?
What are the least humid months in Rennes?
What is the average humidity in July in Rennes?
How much does it rain in Rennes in July?
When it does not snow in Rennes?
What is the average length of the day in July in Rennes?
When is the sunrise / sunset in July in Rennes?
What month has the most sunshine in Rennes?
How many hours of sunshine does Rennes have in July?
When is the highest UV index in Rennes?
How high is the UV index in July in Rennes?
Average temperature in July
Rennes, France
- Average high temperature in July: 23°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in July: 12.8°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in July
Rennes, France
- Average pressure in July: 1017.2mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in July
Rennes, France
- Average wind speed in July: 12.3km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in July
Rennes, France
- Average humidity in July: 78%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in July
Rennes, France
- Average rainfall in July: 21mm
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in July
Rennes, France
- Average rainfall days in July: 12.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is September (8.4 days).
Average snowfall in July
Rennes, France
- Average snowfall in July: 0mm
The months with the highest snowfall are February, March, April and December (2mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in July
Rennes, France
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Rennes, France
- Average daylight in July: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in July: 9h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in July
Rennes, France
- Average sunshine days in July: 13.7 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in July
Rennes, France
- Average UV index in July: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Rennes, France
- Average cloud cover in July: 43
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in July
Rennes, France
- Average visibility in July: 9km
The months with the highest visibility are January, February, March, April, June, July, October, November and December (9km).
The months with the lowest visibility are May, August and September (8km).
Rennes, France
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