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Weather in Rennes for December 2025

Your guide to Rennes weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Rennes during December is quite rare, with fewer than 2 snowy days on average.
    According to Rennes snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • So far, December 2025 in Rennes is slightly warmer than the historical average by 1.7 °C.

  • The forecast for the next days in Rennes predicts temperatures to be around 10 °C, close to the historical average.

  • In general, the average temperature in Rennes at the beginning of December is 10.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 10 °C by the end of December.

    • Rain 🌧️

  • Rennes experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 75.4 mm.

    • More

  • Is December a good time to visit Rennes? check out the best time to travel to Rennes page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
5
Dry days
Average rainy days
25
Rainy days
Average snowy days
1
Snow days
Average temperatures
10°/4°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Rennes Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain at times
11°
2
Moderate rain at times
9°
3
Patchy rain possible
9°
4
Light rain shower
10°
5
Patchy rain possible
11°
6
Moderate rain at times
10°
7
Light rain
11°
8
Cloudy
10°
9
Light drizzle
11°
10
Patchy rain possible
10°
11
Patchy rain possible
10°
12
Overcast
10°
13
Overcast
9°
14
Patchy rain possible
10°
15
Patchy rain possible
12°
16
Patchy rain possible
11°
17
Partly cloudy
10°
18
Patchy rain possible
12°
19
Patchy rain possible
9°
20
Patchy rain possible
8°
21
Patchy rain possible
8°
22
Patchy rain possible
10°
23
Patchy rain possible
8°
24
Patchy rain possible
11°
25
Partly cloudy
12°
26
Sunny
11°
27
Sunny
7°
28
Sunny
6°
29
Patchy rain possible
11°
30
Patchy rain possible
11°
31
Patchy rain possible
12°

Temperatures trend during December in Rennes

See the weather trend as well as the moving average line

December weather in Rennes day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Moderate rain at times
Moderate rain at times
 11° /4° 1.2 mm 0 cm
2 Dec. Moderate rain at times
Moderate rain at times
 9° /2° 1 mm 0 cm
3 Dec. Patchy rain possible
Patchy rain possible
 9° /1° 2.9 mm 0 cm
4 Dec. Light rain shower
Light rain shower
 10° /3° 3.9 mm 0 cm
5 Dec. Patchy rain possible
Patchy rain possible
 11° /3° 2.6 mm 0 cm
6 Dec. Moderate rain at times
Moderate rain at times
 10° /4° 0.8 mm 0 cm
7 Dec. Light rain
Light rain
 11° /5° 3.8 mm 0 cm
8 Dec. Cloudy
Cloudy
 10° /4° 2.7 mm 0 cm
9 Dec. Light drizzle
Light drizzle
 11° /4° 4.2 mm 0 cm
10 Dec. Patchy rain possible
Patchy rain possible
 10° /3° 2.3 mm 0 cm
11 Dec. Patchy rain possible
Patchy rain possible
 10° /4° 2.8 mm 0 cm
12 Dec. Overcast
Overcast
 10° /4° 2.4 mm 0 cm
13 Dec. Overcast
Overcast
 9° /3° 1.3 mm 0.1 cm
14 Dec. Patchy rain possible
Patchy rain possible
 10° /3° 1.7 mm 0 cm
15 Dec. Patchy rain possible
Patchy rain possible
 12° /7° 0.5 mm 0 cm
16 Dec. Patchy rain possible
Patchy rain possible
 11° /9° 0.4 mm 0 cm
17 Dec. Partly cloudy
Partly cloudy
 10° /5° 0 mm 0 cm
18 Dec. Patchy rain possible
Patchy rain possible
 12° /3° 1.7 mm 0 cm
19 Dec. Patchy rain possible
Patchy rain possible
 9° /6° 3.1 mm 0 cm
20 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 1.8 mm 0 cm
21 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 1.7 mm 0 cm
22 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 1 mm 0 cm
23 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 0.5 mm 0 cm
24 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 1.5 mm 0 cm
25 Dec. Partly cloudy
Partly cloudy
 12° /7° 0 mm 0 cm
26 Dec. Sunny
Sunny
 11° /5° 0 mm 0 cm
27 Dec. Sunny
Sunny
 7° /2° 0 mm 0 cm
28 Dec. Sunny
Sunny
 6° /-1° 0 mm 0 cm
29 Dec. Patchy rain possible
Patchy rain possible
 11° /5° 1.3 mm 0 cm
30 Dec. Patchy rain possible
Patchy rain possible
 11° /5° 2.9 mm 0 cm
31 Dec. Patchy rain possible
Patchy rain possible
 12° /5° 2.1 mm 0 cm
Next
Important Notice
Our weather forecast for Rennes in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Rennes forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Rennes weather in December vs November vs January

Compare December weather in Rennes with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures13°/6°10°/4°8°/3°
Rainfall72 mm75 mm84 mm
Snowfall2 cm0 cm0 cm
Wind23.2 km/h23.8 km/h22.1 km/h
Humidity82%84%84%
Rainy days18 days25 days28 days
Snow days1 days1 days0 days
Dry days11 days5 days3 days

Planning a trip to Rennes? Discover the best time to visit

Rennes in December - FAQ

What are the expected maximum and minimum temperatures in Rennes during December?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 4°.
How much rainfall should be expected in Rennes during December?
Moderate rainfall is anticipated in Rennes during December, with a total of 75.4 mm spread over approximately 25 days. Considering plans for rainy days is advisable.
Will it snow in Rennes in December 2025?
Rennes typically sees 0.251 cm of snowfall during December.
What are the typical wind conditions in Rennes during December?
The average wind speed in Rennes during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Rennes in December?

As you prepare for your trip to Rennes in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Rennes, during December, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

Rennes snow forecast December 2025

Track daily snowfall levels and discover Rennes’s snowy potential this December ❄️
On average, Rennes sees 1 snowy days during December, with approximately 0.3 cm of total snowfall.

December rainfall patterns in Rennes

Explore the daily rainfall trends and prepare for Renness December weather 💧
Typically, Rennes has 25 rainy days in December with a total of 75.4 mm of rainfall.

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Location coordinates Where is Rennes?

Get accurate weather forecasts for Rennes, located at latitude 48.112 and longitude -1.674. Stay updated with localized weather information tailored for Rennes.

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