Weather in Rennes in December 2024
- December is usually the wettest month of the year in Rennes;
Average weather
Average temperature in Rennes in December
The expected average maximum temperature in December is +11°C with a maximum of +15°C and a minimum of -3°C.
The average maximum temperature goes up 17% by the end of the month, compared with the beginning of the month, from +7°C to +10°C.
Is Rennes warm or cold in December?
Rennes is typically cool in December.
Maximum temperatures go down compared to the previous month from +12°C to +9°C. The minimum temperature also goes down from +6°C to +4°C.
Pack a sweater and a jacket as there will be cooler temperatures.
December is one of the coolest months in Rennes, here is the comparison with other months:
Climate in Rennes in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +12°C | +9°C | +8°C | ||||
| Min. temperature | ||||||
| -5°C | -7°C | -14°C | ||||
| Max. temperature | ||||||
| +20°C | +18°C | +16°C | ||||
| Rainfall | ||||||
| 57 mm | 62 mm | 55 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 86% | 87% | 86% | ||||
| Air pressure | ||||||
| 1014 HPa | 1016 HPa | 1018 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 3 | ||||
| Cloudy days | ||||||
| 10 | 11 | 11 | ||||
| Rainy days | ||||||
| 16 | 15 | 15 | ||||
| Snowy days | ||||||
| 0 | 1 | 1 | ||||
December weather is still as ok as in November. It’s getting colder in December. From +12°C in the day, the average maximum temperature lowers to +9°C. Prepare for more rain. Average rainfall goes from 57 mm to 62 mm. Humidity rises from 86% to 87%. The average wind speed doesn’t change much during December, staying around 3 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Rennes is gradually increasing during December, going from 3 m/s to 6 m/s over the course of the month.
Rain
How was the weather last December in Rennes?
Climate Change over Years
The climate in Rennes in December has not changed much over the last 43 years.
The average temperature was the lowest in 1986 (+14°C) and the highest in 2022 (+18°C). The driest year was 1996 with only 390 mm of rainfall, and the wettest year was 2000 with 878 mm.
FAQ
Is December a good time to visit Rennes?
Can you sunbathe in Rennes in December?
Is Rennes rainy in December?
Is it sunny in Rennes in December?
Other cities in France
Monthly weather in Rennes
Source of the data
For this page, we’ve looked at the typical weather in Rennes, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.