Rennes in december: average Weather, Temperature and Climate
Weather in Rennes in december 2026
The weather in Rennes in the month of december comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
bad weather 9.1cm
Weather at 6am
43°F
Cloudy
30% of time
24%
22%
11%
Weather at 12pm
50°F
Cloudy
31% of time
27%
24%
12%
Weather at 6pm
45°F
Cloudy
31% of time
26%
22%
13%
Weather at 3am
43°F
24%
23%
21%
15%
Evolution of daily average temperature and precipitation in Rennes in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Rennes in december.
The climate of Rennes in december is bad
the weather in Rennes in december is wet (with 2.9in of precipitation over 5 days). It should be noted a worsening from the previous month since in november there is an average of 2.7in of rainfall over 4 days.
The climate is quite more than very fresh there the month of december. Do not forget to take with you warm clothes! Temperatures are up to 50°F. On average, the recorded minimum temperature is 43°F. Thus, the mean temperature average on this month of december in Rennes is 47°F. Note that seasonal normals are in contrast with those observed in Rennes in december with a maximum record of 63°F in 2021 and a minimum record of 22°F in 2010. You can expect to have about 4 days with temperatures down below 32°F, or 13% of time.
Day length in Rennes in december is 08:24. The sun rises at 08:50 and sunset is at 17:14.
With a bad weather, december is not recommended to go there.
Seasonal average climate and temperature of Rennes in december
Check below seasonal norms These datas are set from the weather statements earlier years of the month of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 47°F | ||||
| Highest temperature | 50°F | ||||
| Lowest temperature | 43°F | ||||
| Highest record temperature | 63°F (2021) | ||||
| Lowest record temperature | 22°F (2010) | ||||
| Number of days at +65°F | 0 day(s) (0%) | ||||
| Number of days at -32°F | 4 day(s) (13%) | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 38°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.9in | ||||
| Number of days with rainfall | 5 day(s) (15%) | ||||
| Record daily rainfall | 1.9in (2019) | ||||
| Snowfall | 9.1cm | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 8.88km | ||||
| Cloud cover | 55% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 7 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:50 | ||||
| Time of sunset | 17:14 | ||||
| Length of day | 08:24 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Rennes in december 2025:
43°F to 52°F
45°F to 52°F
40°F to 50°F
45°F to 49°F
38°F to 56°F
50°F to 56°F
58°F to 59°F
56°F to 59°F
52°F to 56°F
49°F to 56°F
43°F to 54°F
47°F to 50°F
45°F to 54°F
41°F to 54°F
47°F to 56°F
49°F to 50°F
40°F to 49°F
52°F to 58°F
47°F to 54°F
38°F to 49°F
45°F to 50°F
45°F to 49°F
38°F to 50°F
36°F to 41°F
27°F to 36°F
29°F to 40°F
29°F to 43°F
31°F to 45°F
29°F to 43°F
38°F to 43°F
29°F to 43°F
Map: other cities in Brittany in december
Cities near Rennes:
| Chateaubourg in december | bad weather |
| Janze in december | bad weather |
| Hede-Bazouges in december | bad weather |
| Montauban-de-Bretagne in december | bad weather |
| Bain-de-Bretagne in december | bad weather |
| Combourg in december | bad weather |
| Vitré in december | very bad weather |
| Paimpont in december | bad weather |
| La Guerche-de-Bretagne in december | very bad weather |
| Saint-Meen-le-Grand in december | bad weather |
| Guer in december | bad weather |
| Fougeres in december | very bad weather |
Click over cities on the map for information about the weather in december.
Rennes
perfect weather
good
tolerable
bad
very bad
Weather data for Rennes in december:
Weather data for Rennes for december are derived from an average of the weather forecast since 2009 in Rennes. There is a margin of error and these forecasts are to be considered as general information only. The weather in Rennes can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Rennes.