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
Plestin-les-Grèves's shift into December sets the average high-temperature at a still cool 10.1°C (50.2°F), a figure that deviates only slightly from November's 12°C (53.6°F). During the month of December, Plestin-les-Grèves's average nighttime temperature closely mirrors its daytime counterpart, at a chilly 7°C (44.6°F).Humidity
The average relative humidity in December in Plestin-les-Grèves is 83%.Rainfall
In Plestin-les-Grèves, in December, during 21.2 rainfall days, 74mm (2.91") of precipitation is typically accumulated. In Plestin-les-Grèves, during the entire year, the rain falls for 214.5 days and collects up to 643mm (25.31") of precipitation.Snowfall
Months with snowfall in Plestin-les-Grèves are January through March, November and December. In Plestin-les-Grèves, in December, during 0.9 snowfall days, 9mm (0.35") of snow is typically accumulated. Throughout the year, there are 4.5 snowfall days, and 38mm (1.5") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:46 and sunset at 17:21. On the last day of December, sunrise is at 09:06 and sunset at 17:28 CET.
Sunshine
In Plestin-les-Grèves, the average sunshine in December is 3.5h.UV index
The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the usual temperature for Plestin-les-Grèves in December?
What is the average humidity in December in Plestin-les-Grèves?
How much does it rain in Plestin-les-Grèves in December?
How many days does it snow in December in Plestin-les-Grèves?
What is the month with the shortest days in Plestin-les-Grèves?
What is the average length of the day in December in Plestin-les-Grèves?
When is the sunrise / sunset in December in Plestin-les-Grèves?
How long on average sun shines in December in Plestin-les-Grèves?
What is the UV index intensity in December in Plestin-les-Grèves?
Average temperature in December
Plestin-les-Grèves, France
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is August (19.1°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 7°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).
Average pressure in December
Plestin-les-Grèves, France
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in December
Plestin-les-Grèves, France
- Average wind speed in December: 25.3km/h
The windiest months (with the highest average wind speed) are February and December (25.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in December
Plestin-les-Grèves, France
- Average humidity in December: 83%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, March, April, September and October (82%).
Average rainfall in December
Plestin-les-Grèves, France
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Plestin-les-Grèves, France
- Average rainfall days in December: 21.2 days
The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is September (13.7 days).
Average snowfall in December
Plestin-les-Grèves, France
- Average snowfall in December: 9mm
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
Plestin-les-Grèves, France
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.9 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
Plestin-les-Grèves, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Plestin-les-Grèves, France
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is September (11.1 days).
The month with the least sunshine days is November (4.8 days).
Average UV index in December
Plestin-les-Grèves, France
- Average UV index in December: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Plestin-les-Grèves, France
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April, July and September (Cloud cover 42).
Average visibility in December
Plestin-les-Grèves, France
- Average visibility in December: 9km
The months with the highest visibility are March, April, June, July and September (10km).
The months with the lowest visibility are January, February, May, August, October, November and December (9km).
Plestin-les-Grèves, France
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