December weather forecastTréflaouénan, France
December weather for Tréflaouénan, France: In Tréflaouénan, France, during December, the rain falls for 20.6 days and regularly aggregates up to 89mm (3.5") of precipitation. In Tréflaouénan, during December, the rain falls for 20.6 days and regularly aggregates up to 89mm (3.5") of precipitation.
December
Weather in December
December, the first month of the winter in Tréflaouénan, is also a fresh month, with an average temperature ranging between min 6.5°C (43.7°F) and max 10.2°C (50.4°F).Temperature
December's climate shows a minor adjustment in average high-temperatures to a still cool 10.2°C (50.4°F) from November's 12.1°C (53.8°F). Tréflaouénan, during the December nights, maintains an average temperature of 6.5°C (43.7°F), closely aligned with its daytime readings.Humidity
The months with the highest humidity in Tréflaouénan are January and December, with an average relative humidity of 85%.Rainfall
In Tréflaouénan, during December, the rain falls for 20.6 days and regularly aggregates up to 89mm (3.5") of precipitation. Throughout the year, there are 218.3 rainfall days, and 710mm (27.95") of precipitation is accumulated.Snowfall
Months with snowfall in Tréflaouénan, France, are January through March, November and December. In Tréflaouénan, in December, snow falls for 1.1 days, with typically accumulated 6mm (0.24") of snow. Throughout the year, there are 5.1 snowfall days, and 31mm (1.22") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 08:48 and sunset at 17:23. On the last day of the month, sunrise is at 09:08 and sunset at 17:30 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.1h of sunshine.UV index
In Tréflaouénan, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tréflaouénan, France
- Average high temperature in December: 10.2°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 6.5°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in December
Tréflaouénan, France
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in December
Tréflaouénan, France
- Average wind speed in December: 21.7km/h
The windiest months (with the highest average wind speed) are February and December (21.7km/h).
The calmest months (with the lowest average wind speed) are July and August (14.8km/h).
Average humidity in December
Tréflaouénan, France
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are April and September (81%).
Average rainfall in December
Tréflaouénan, France
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is November (95mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in December
Tréflaouénan, France
- Average rainfall days in December: 20.6 days
The month with the highest number of rainy days is November (21.1 days).
The month with the least rainy days is September (14.5 days).
Average snowfall in December
Tréflaouénan, France
- Average snowfall in December: 6mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Tréflaouénan, France
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2 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
Tréflaouénan, France
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Tréflaouénan, France
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is November (5.9 days).
Average UV index in December
Tréflaouénan, France
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in December
Tréflaouénan, France
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 45).
Average visibility in December
Tréflaouénan, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
