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
December
Weather in December
Temperature
The start of December marks an average high-temperature of a chilly 9.4°C (48.9°F), hardly distinguishable from the conditions in November. In Trégonneau, December's low temperatures hover around a wintry 5.6°C (42.1°F), reflecting a minor decrease from the daytime highs.Humidity
The months with the highest humidity are January, November and December, with an average relative humidity of 85%.Rainfall
In December, in Trégonneau, the rain falls for 16.1 days. Throughout December, 44mm (1.73") of precipitation is accumulated. In Trégonneau, during the entire year, the rain falls for 175 days and collects up to 425mm (16.73") of precipitation.Snowfall
January through April, November and December are months with snowfall in Trégonneau. In Trégonneau, in December, during 1 snowfall days, 12mm (0.47") of snow is typically accumulated. Throughout the year, in Trégonneau, there are 5.8 snowfall days, and 35mm (1.38") of snow is accumulated.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Trégonneau.On the first day of December, sunrise is at 08:44 and sunset at 17:19. On the last day of the month, sunrise is at 09:04 and sunset at 17:26 CET.
Sunshine
The average sunshine in December is 3.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Trégonneau. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Trégonneau?
What is the most humid month in Trégonneau?
What is the average humidity in December in Trégonneau?
How much does it rain in Trégonneau in December?
How much does it snow in Trégonneau in December?
What is the month with the shortest days in Trégonneau?
What is the average length of the day in December in Trégonneau?
What time are sunrise and sunset in December in Trégonneau?
How many hours of sunshine does Trégonneau have in December?
When is the lowest UV index in Trégonneau?
What is the UV index reading in December in Trégonneau?
Average temperature in December
Trégonneau, France
- Average high temperature in December: 9.4°C
The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in December: 5.6°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in December
Trégonneau, France
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Trégonneau, France
- Average wind speed in December: 21.2km/h
The windiest month (with the highest average wind speed) is February (21.3km/h).
The calmest month (with the lowest average wind speed) is August (13.8km/h).
Average humidity in December
Trégonneau, France
- Average humidity in December: 85%
The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is September (81%).
Average rainfall in December
Trégonneau, France
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Trégonneau, France
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is November (17.4 days).
The month with the least rainy days is September (11 days).
Average snowfall in December
Trégonneau, France
- Average snowfall in December: 12mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Trégonneau, France
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is 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
Trégonneau, France
- Average daylight in December: 8h and 2min
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 5min
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 30min).
Average sunshine days in December
Trégonneau, France
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is November (8.3 days).
Average UV index in December
Trégonneau, 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
Trégonneau, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in December
Trégonneau, 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).
