Brittany - France weather in December 2025
Brittany - France weather in December 2025
Day
10 °C
Night
5 °C
Sea
11 °C
Precipitation
98 mm
in month
Rainy days
15 days
in month
Daylight
8 hours
average
Sunshine
2 hours
average
Humidity
86 %
Day
10 °C
Night
5 °C
Sea
11 °C
Precipitation
98 mm
in month
Rainy days
15 days
in month
Daylight
8 hours
average
Sunshine
2 hours
average
Humidity
86 %
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Weather overview and FAQs
Weather overview
In December in Brittany, the average air temperature ranges from 10 °C (51 °F) during the day to 5 °C (42 °F) at night. There are 15 days of rain on average, where the rainfall is 98 mm (3.85 in).
Are there good conditions to visit in December in Brittany?
In December there are not good conditions to visit Brittany. A relatively low temperature of 10 °C (51 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of 5 °C (42 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.
What is the average number of rainy days in December in Brittany?
There are 15 days, which are rainy in December in Brittany, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.4 days of the week, or in general - 49 % days.
What temperature can I expect during the day in December in Brittany?
In Brittany in December, the average daily temperatures will be 10 °C (51 °F). Don't forget a sweater and light or normal jacket, but also pack light clothing in case the temperatures are above average. The weather at this time can be somewhat changeable and a wide range of clothing can become handy.
What is the rainfall intensity in Brittany in December?
In December in Brittany, there is 98 mm (3.85 in) rainfall, which means on average 3 mm (0.13 in) rainfall per day.
How many sunny hours can I expect in December in Brittany?
In Brittany in December, you can expect around 2 hours of sunshine.
Is it freezing in Brittany in December?
It is not very likely that you will experience freezing in Brittany in December, daily temperatures will rise to 5 °C (42 °F).
Is December part of the wet season in Brittany?
No, there is no wet season in Brittany in December - you can expect 15 days of rain during the month.
How humid is Brittany in December?
In Brittany in December, expect humidity around 86 %.
How does the sea temperature evolve during the month in Brittany in December?
Brittany has a decreasing trend of the sea temperature during December - from 12 °C (54 °F) in the first days of the month to 10 °C (51 °F) in the last days of the month.
How windy is Brittany in December?
An average wind scale that can be expected in Brittany in December is 6. It is rather a stronger wind, which lowers the sensible temperature and cools down.
How long is the day (from dawn till dusk) in Brittany in December?
The length of daylight in Brittany in December is 8 hours.
Is the temperature rising or falling in the course of time in December in Brittany?
During December in Brittany, the day temperatures are decreasing - from 12 °C (53 °F) at the beginning of the month to 10 °C (50 °F) at the end of the month.