Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cool 12.3°C (54.1°F) to a frosty 8.9°C (48°F). Throughout December, Trévien encounters an average temperature drop to an icy 2.9°C (37.2°F).Humidity
The months with the highest humidity are January, November and December, with an average relative humidity of 86%.Rainfall
In Trévien, during December, the rain falls for 14.4 days and regularly aggregates up to 53mm (2.09") of precipitation. In Trévien, during the entire year, the rain falls for 164.2 days and collects up to 565mm (22.24") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Trévien, in December, snow falls for 1.2 days, with typically accumulated 10mm (0.39") of snow. In Trévien, France, during the entire year, snow falls for 7.3 days and aggregates up to 41mm (1.61") of snow.Daylight
The month with the shortest days in Trévien is December, with an average of 8h and 54min of daylight.On the first day of December in Trévien, France, sunrise is at 08:06 and sunset at 17:14. On the last day of the month, sunrise is at 08:26 and sunset at 17:23 CET.
Sunshine
In Trévien, the average sunshine in December is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are December temperatures in Trévien?
What are the most humid months in Trévien?
What is the average humidity in December in Trévien?
How much does it rain in Trévien in December?
How many days does it snow in December in Trévien?
What is the month with the shortest days in Trévien?
How many hours of daylight does Trévien have in December?
When are sunrise and sunset in December in Trévien?
How long on average sun shines in December in Trévien?
When is the lowest UV index in Trévien?
How high is the UV index in December in Trévien?
Average temperature in December
Trévien, France
- Average high temperature in December: 8.9°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in December
Trévien, France
- Average pressure in December: 1021.6mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Trévien, France
- Average wind speed in December: 10km/h
The windiest month (with the highest average wind speed) is March (11.5km/h).
The calmest months (with the lowest average wind speed) are August and September (8.2km/h).
Average humidity in December
Trévien, France
- Average humidity in December: 86%
The months with the highest relative humidity are January, November and December (86%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Trévien, France
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is May (70mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Trévien, France
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is September (9.4 days).
Average snowfall in December
Trévien, France
- Average snowfall in December: 10mm
The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Trévien, France
- Average snowfall days in December: 1.2 days
The months with the highest number of snowfall days are January and February (2.3 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
Trévien, France
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Trévien, France
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Trévien, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Trévien, France
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Trévien, France
- Average visibility in December: 8km
The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, May, November and December (8km).
Trévien, France
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