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 shift into December reveals an average high-temperature of a still cool 10.2°C (50.4°F), closely mirroring November's climate. Tréflévénez's nighttime temperature in December consistently rests at a chilly 6.5°C (43.7°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 85%.Rainfall
In Tréflévénez, in December, during 20.6 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Tréflévénez, during the entire year, the rain falls for 218.2 days and collects up to 705mm (27.76") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Tréflévénez, 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
With an average of 8h and 24min of daylight, December has the shortest days of the year in Tréflévénez.On the first day of December, sunrise is at 08:47 and sunset at 17:24. On the last day of the month, sunrise is at 09:08 and sunset at 17:31 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.2h of sunshine.UV index
In Tréflévénez, France, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Tréflévénez in December?
What is the most humid month in Tréflévénez?
What is the average humidity in December in Tréflévénez?
How many days does it rain in December in Tréflévénez?
How many days does it snow in December in Tréflévénez?
What is the month with the shortest days in Tréflévénez?
What is the average length of the day in December in Tréflévénez?
When are sunrise and sunset in December in Tréflévénez?
What is the month with the least sunshine in Tréflévénez?
How long on average sun shines in December in Tréflévénez?
How high is the UV index in December in Tréflévénez?
Average temperature in December
Tréflévénez, 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
Tréflévénez, 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
Tréflévénez, 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
Tréflévénez, France
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is April (81%).
Average rainfall in December
Tréflévénez, France
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Tréflévénez, 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 (14.4 days).
Average snowfall in December
Tréflévénez, 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
Tréflévénez, 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
Tréflévénez, France
- Average daylight in December: 8h and 2min
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 1min
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 12min).
Average sunshine days in December
Tréflévénez, France
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is September (11.2 days).
The month with the least sunshine days is November (5.9 days).
Average UV index in December
Tréflévénez, 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
Tréflévénez, 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
Tréflévénez, 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).
