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
As Trégomeur transitions into December, the average high-temperature stands at a frosty 9.4°C (48.9°F), offering little variation from the preceding month. December nights in Trégomeur cool to an average low-temperature of 5.6°C (42.1°F), a marginal decrease from its daytime equivalent.Humidity
The months with the highest humidity in Trégomeur are January, November and December, with an average relative humidity of 85%.Rainfall
In Trégomeur, in December, during 16.1 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, there are 175 rainfall days, and 425mm (16.73") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Trégomeur. In December, it is snowing for 1 days. Throughout December, 12mm (0.47") of snow is accumulated. Throughout the year, there are 5.8 snowfall days, and 35mm (1.38") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December in Trégomeur, sunrise is at 08:43 and sunset at 17:18. On the last day of the month, sunrise is at 09:03 and sunset at 17:25 CET.
Sunshine
The average sunshine in December in Trégomeur 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. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Trégomeur in December?
What is the most humid month in Trégomeur?
What is the average humidity in December in Trégomeur?
How many days does it rain in December in Trégomeur?
How much does it snow in Trégomeur in December?
What is the month with the shortest days in Trégomeur?
What is the average length of the day in December in Trégomeur?
When are sunrise and sunset in December in Trégomeur?
How many hours of sunshine does Trégomeur have in December?
What is the month with the lowest UV index in Trégomeur?
What is the UV index intensity in December in Trégomeur?
Average temperature in December
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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
Trégomeur, 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).
