December weather forecastTrébrivan, France
December
Weather in December
December, the first month of the winter in Trébrivan, is also a frosty month, with an average temperature varying between 9.3°C (48.7°F) and 4.7°C (40.5°F).Temperature
December's arrival shows an average high-temperature of a frosty 9.3°C (48.7°F), hardly different from the previous month. Nighttime in Trébrivan, France, during December, brings an average low of 4.7°C (40.5°F), a modest reduction from the day's peak.Humidity
With an average relative humidity of 89%, December is the most humid month.Rainfall
The month with the most rainfall in Trébrivan is December, when the rain falls for 17.5 days and typically aggregates up to 76mm (2.99") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Trébrivan, in December, during 1.6 snowfall days, 8mm (0.31") of snow is typically accumulated. In Trébrivan, during the entire year, snow falls for 8.1 days and aggregates up to 46mm (1.81") of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Trébrivan, France.On the first day of the month, sunrise is at 08:44 and sunset at 17:21. On the last day of December, sunrise is at 09:04 and sunset at 17:29 CET.
Sunshine
The average sunshine in December in Trébrivan is 3.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trébrivan, France
- Average high temperature in December: 9.3°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in December: 4.7°C
The months with the highest average low temperature are July and August (12°C).
The coldest month (with the lowest average low temperature) is February (3°C).
Average pressure in December
Trébrivan, France
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is September (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in December
Trébrivan, France
- Average wind speed in December: 16.2km/h
The windiest month (with the highest average wind speed) is February (16.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Trébrivan, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and September (81%).
Average rainfall in December
Trébrivan, France
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in December
Trébrivan, France
- Average rainfall days in December: 17.5 days
The month with the highest number of rainy days is January (18.3 days).
The month with the least rainy days is September (12.4 days).
Average snowfall in December
Trébrivan, France
- Average snowfall in December: 8mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Trébrivan, France
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Trébrivan, France
- Average daylight in December: 8h and 24min
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: 3h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Trébrivan, France
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is November (7.1 days).
Average UV index in December
Trébrivan, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Trébrivan, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 45).
Average visibility in December
Trébrivan, France
- Average visibility in December: 9km
The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (8km).
