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 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 average high-temperature during December is a cool 11.4°C (52.5°F), almost matching the conditions of the preceding month. With a barely noticeable fluctuation in temperature, Plomeur reaches an average low of 9°C (48.2°F) during the December nights.Humidity
The months with the highest humidity in Plomeur, France, are June through August and December, with an average relative humidity of 81%.Rainfall
In December, the rain falls for 14.4 days. Throughout December, 36mm (1.42") of precipitation is accumulated. In Plomeur, during the entire year, the rain falls for 144.1 days and collects up to 289mm (11.38") of precipitation.Snowfall
January and December are months with snowfall in Plomeur. The month with the most snowfall days in Plomeur is December, when snow falls for 0.2 days.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Plomeur.On the first day of the month, sunrise is at 08:45 and sunset at 17:26. On the last day of December, in Plomeur, sunrise is at 09:06 and sunset at 17:34 CET.
Sunshine
With an average of 3.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Plomeur, France, are January through April, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 3 transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. To guard against the harmful effects of the Sun, minimize exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Plomeur?
What is the most humid month in Plomeur?
What is the average humidity in December in Plomeur?
How much does it rain in Plomeur in December?
What is the snowiest month in Plomeur?
When does it start to snow in Plomeur?
What is the month with the shortest days in Plomeur?
What is the average length of the day in December in Plomeur?
What time are sunrise and sunset in December in Plomeur?
What is the month with the least sunshine in Plomeur?
How many hours of sunshine does Plomeur have in December?
What are the months with the lowest UV index in Plomeur?
How high is the UV index in December in Plomeur?
Average temperature in December
Plomeur, France
- Average high temperature in December: 11.4°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is February (9.8°C).
- Average low temperature in December: 9°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in December
Plomeur, France
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in December
Plomeur, France
- Average wind speed in December: 27.4km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is August (18km/h).
Average humidity in December
Plomeur, France
- Average humidity in December: 81%
The months with the highest relative humidity are June, July, August and December (81%).
The months with the lowest relative humidity are February, March, April, September and November (79%).
Average rainfall in December
Plomeur, France
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in December
Plomeur, France
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is September (7.8 days).
Average snowfall days in December
Plomeur, France
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Plomeur, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Plomeur, France
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is November (10.6 days).
Average UV index in December
Plomeur, France
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in December
Plomeur, France
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in December
Plomeur, France
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
