Rennes Weather in December

December in Rennes averages 10°C (50°F) during the day and 4°C (39°F) at night. It is the wettest month of the year, with 78 mm (3.1 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Rennes in December

Being the wettest month, having an umbrella on standby can help you avoid getting caught in the rain. Historically, December sees about 17 days of rain, with a monthly average of 78 mm (3.1 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Rennes in December

December in Rennes brings typical temperatures with highs around 10°C (50°F) and lows of 4°C (39°F). This month falls in the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Rennes in December

The area experiences limited sunny days, amounting to roughly 68 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Rennes. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Rennes's climate page.

Rennes Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 57%  

Precipitation 78 mm (3.1 in)  

Rainy days 17 days  

Humidity 87%  

Sunshine 68 hours  

Percentage Sunshine  

What to Wear in Rennes in December

The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Rennes in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Rennes's climate page.

More climate data for Rennes

Temperature Rainfall Sunshine Humidity

See the full Rennes climate overview or explore weather in France.