Please click on any column to get detailed information about Rennes weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Rennes is august. The average daily temp is 74.9°F. The average nightly temp is 57.9°F.
Sea water temperature, °F
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 65.8°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
Best time for vacation in Rennes
Rennes on a weather map
Places in France:
Name
°F
24 Hours Forecast
Rennes
Local time: 08:51
December 22, sunday
0900
46°F
SE
22 mph
22 mph
1200
45°F
SE
22 mph
22 mph
1500
45°F
SE
25 mph
25 mph
1800
43°F
SE
21 mph
21 mph
2100
43°F
SE
19 mph
19 mph
December 23, monday
0000
43°F
SE
19 mph
19 mph
0300
43°F
SE
17 mph
17 mph
0600
43°F
SE
17 mph
17 mph
