Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average UV index in December
Weather in December
Temperature
The onset of December brings an average high-temperature of a chilly 9.9°C (49.8°F), nearly matching the November temperature. Throughout the month of December, Brest reports a steady low-temperature average of 4.8°C (40.6°F).Humidity
January, October and December, with an average relative humidity of 86%, are the most humid months in Brest.Rainfall
December is the month with the most rainfall in Brest, France. Rain falls for 17.2 days and accumulates 148mm (5.83") of precipitation.Snowfall
January through May, November and December are months with snowfall. In December, in Brest, France, snow falls for 1.2 days. Throughout the year, in Brest, there are 8.4 snowfall days.Sea temperature
In Brest, France, in December, the average water temperature is 12.7°C (54.9°F).Note: Beware when you're in 12.7°C (54.9°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:48 and sunset at 17:25. On the last day of the month, sunrise is at 09:09 and sunset at 17:33 CET.
Sunshine
In Brest, the average sunshine in December is 2.1h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Brest in December?
What is the most humid month in Brest?
What is the average humidity in December in Brest?
What is the wettest month in Brest?
How many days does it rain in December in Brest?
How many days does it snow in December in Brest?
How cold is the water in December in Brest?
What is the month with the shortest days in Brest?
What is the average length of the day in December in Brest?
When is the sunrise / sunset in December in Brest?
How many hours of sunshine does Brest have in December?
What are the months with the lowest UV index in Brest?
What is the UV index intensity in December in Brest?
Average temperature in December
Brest, France
- Average high temperature in December: 9.9°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in December: 4.8°C
The months with the highest average low temperature are July and August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).
Average humidity in December
Brest, France
- Average humidity in December: 86%
The months with the highest relative humidity are January, October and December (86%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in December
Brest, France
- Average rainfall in December: 147.8mm
The wettest month (with the highest rainfall) is December (147.8mm).
The driest month (with the least rainfall) is June (59.8mm).
Average rainfall days in December
Brest, France
- Average rainfall days in December: 17.2 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is June (8.6 days).
Average snowfall days in December
Brest, France
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Brest, France
- Average sea temperature in December: 12.7°C
The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (10.2°C).
Average daylight in December /
Average sunshine in December
Brest, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average UV index in December
Brest, France
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).
Brest, France
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