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
The transition into December shows a subtle variation to a frosty 9.4°C (48.9°F) from November's 11.8°C (53.2°F) in the average high-temperature. In December, Lanvollon's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 5.6°C (42.1°F).Humidity
January, November and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In December, in Lanvollon, the rain falls for 16.1 days. Throughout December, 44mm (1.73") of precipitation is accumulated. In Lanvollon, France, during the entire year, the rain falls for 175 days and collects up to 425mm (16.73") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Lanvollon, during December, snow falls for 1 days and regularly aggregates up to 12mm (0.47") of snow. Throughout the year, 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 Lanvollon.On the first day of the month, sunrise is at 08:43 and sunset at 17:18. On the last day of December, sunrise is at 09:04 and sunset at 17:26 CET.
Sunshine
The average sunshine in December is 3.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in December in Lanvollon?
What are the most humid months in Lanvollon?
What is the average humidity in December in Lanvollon?
How much does it rain in Lanvollon in December?
How much does it snow in Lanvollon in December?
What is the month with the shortest days in Lanvollon?
How many hours of daylight does Lanvollon have in December?
When are sunrise and sunset in December in Lanvollon?
How many hours of sunshine does Lanvollon have in December?
What are the months with the lowest UV index in Lanvollon?
What is the UV index reading in December in Lanvollon?
Average temperature in December
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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
Lanvollon, 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).
Lanvollon, France
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