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Weather in December in Brittany

Thinking about venturing to Brittany this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Brittany in December?

Brittany is a region in France. December in Brittany generally has temperatures that range from cold to mild, with precipitation levels ranging from moderate to heavy. December is a winter month.

Temperatures

The average highest temperatures fluctuate between cold in Cléry-Saint-André at 9°C to mild in Cléden-Cap-Sizun at 13°C. Nighttime temperatures generally drop to 9°C in Cléden-Cap-Sizun and 3°C in Cléry-Saint-André.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Lanrelas with an average of 73 mm to heavy rainfall in Crozon with 163 mm. Based on climate data from the last 30 years, Saint Malo receives the most rainfall during this month of the year.

Average sunshine

Saint Malo experiences limited sunny days, amounting to roughly 66 hours of sunshine. This makes it perfect for those who prefer dimmer, cloudier settings rather than intense sunlit days

To learn more about the conditions in specific areas of Brittany in December, check out the map below. For more details on the yearly weather, visit our Brittany climate page.

Where to go in Brittany in December

Find more information for the most popular destinations in the Brittany on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in December for the 5 most popular destinations in Brittany?

Saint Malo

In December Saint Malo generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.

Saint Malo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
14°C 
9°C 
81 hours 
105 mm 
18 days 
11°C 
6°C 
66 hours 
107 mm 
18 days 
poor 
Annual   >> Annual
>>  
16°C 
10°C 
1,677 hours 
934 mm 
177 days 
poor 
Climate in Saint Malo

Carnac

In December Carnac generally has low temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 7°C and high monthly rainfall. So on average the conditions are poor that month.

Carnac
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
14°C 
9°C 
97 mm 
19 days 
12°C 
7°C 
103 mm 
19 days 
poor 
Annual   >> Annual
>>  
16°C 
11°C 
844 mm 
189 days 
poor 
Climate in Carnac

Rennes

In December Rennes generally has low temperatures with maximum daytime temperatures around 10°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are poor that month.

Rennes
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
13°C 
6°C 
82 hours 
72 mm 
17 days 
10°C 
4°C 
68 hours 
78 mm 
17 days 
poor 
Annual   >> Annual
>>  
17°C 
8°C 
1,722 hours 
782 mm 
175 days 
poor 
Climate in Rennes

Brest

In December Brest generally has low temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 7°C and high monthly rainfall. So on average the conditions are poor that month.

Brest
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
14°C 
9°C 
80 hours 
111 mm 
21 days 
12°C 
7°C 
63 hours 
121 mm 
21 days 
poor 
Annual   >> Annual
>>  
15°C 
10°C 
1,752 hours 
1018 mm 
209 days 
Climate in Brest

Perros-Guirec

In December Perros-Guirec generally has low temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 8°C and high monthly rainfall. So on average the conditions are poor that month.

Perros-Guirec
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
14°C 
10°C 
116 mm 
19 days 
12°C 
8°C 
127 mm 
20 days 
poor 
Annual   >> Annual
>>  
15°C 
11°C 
974 mm 
190 days 
poor 
Climate in Perros-Guirec

Is your destination not in the list? Have a look at other destinations in Brittany, in France.

Is December the best time to visit Brittany?

Given the typically poor weather conditions in Saint Malo, December may not be the ideal time to visit Brittany.

Generally speaking, the best visiting conditions can be found in July, August and September offering mostly perfect weather in Saint Malo. On the other hand, the weather in January and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Brittany. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to France? Get detailed historical weather averages for many cities in France.

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