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
Plonéour-Lanvern, France, marks the start of December with an average high-temperature of a still cool 10.5°C (50.9°F), hinting at a slight fluctuation from November's 12.5°C (54.5°F). In Plonéour-Lanvern, the nighttime temperature in December descends gently to an average of 7°C (44.6°F).Humidity
December is the most humid month in Plonéour-Lanvern, with an average relative humidity of 85%.Rainfall
December is the month with the most rainfall. Rain falls for 19.5 days and accumulates 95mm (3.74") of precipitation.Snowfall
January, February and December are months with snowfall in Plonéour-Lanvern. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Plonéour-Lanvern, there are 2.1 snowfall days, and 13mm (0.51") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of December in Plonéour-Lanvern, France, sunrise is at 08:46 and sunset at 17:26. On the last day of the month, sunrise is at 09:06 and sunset at 17:34 CET.
Sunshine
December has the least sunshine of the year in Plonéour-Lanvern, with an average of 3.4h of sunshine.UV index
In Plonéour-Lanvern, France, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: An average UV index of 3 in December transforms into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Plonéour-Lanvern in December?
What is the most humid month in Plonéour-Lanvern?
What is the average humidity in December in Plonéour-Lanvern?
What is the wettest month in Plonéour-Lanvern?
How much does it rain in Plonéour-Lanvern in December?
When does it start snowing in Plonéour-Lanvern?
What is the month with the shortest days in Plonéour-Lanvern?
What is the average length of the day in December in Plonéour-Lanvern?
What time are sunrise and sunset in December in Plonéour-Lanvern?
What is the month with the least sunshine in Plonéour-Lanvern?
How many hours of sunshine does Plonéour-Lanvern have in December?
How high is the UV index in December in Plonéour-Lanvern?
Average temperature in December
Plonéour-Lanvern, France
- Average high temperature in December: 10.5°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (9.7°C).
- Average low temperature in December: 7°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (5.1°C).
Average pressure in December
Plonéour-Lanvern, France
- Average pressure in December: 1018mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Plonéour-Lanvern, France
- Average wind speed in December: 20.4km/h
The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in December
Plonéour-Lanvern, France
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (79%).
Average rainfall in December
Plonéour-Lanvern, France
- Average rainfall in December: 95mm
The wettest month (with the highest rainfall) is December (95mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Plonéour-Lanvern, France
- Average rainfall days in December: 19.5 days
The month with the highest number of rainy days is January (20.4 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in December
Plonéour-Lanvern, France
- Average snowfall in December: 1mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Plonéour-Lanvern, France
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Plonéour-Lanvern, France
- Average daylight in December: 8h and 3min
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 30min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Plonéour-Lanvern, France
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in December
Plonéour-Lanvern, France
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Plonéour-Lanvern, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in December
Plonéour-Lanvern, 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).
