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
In Roudouallec, December's average high-temperature stands at a chilly 9.3°C (48.7°F), closely related to the preceding month. Roudouallec registers an average low-temperature of 4.7°C (40.5°F) throughout December, a modest decrease from its daytime highs.Humidity
December is the most humid month in Roudouallec, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Roudouallec is December, when the rain falls for 17.5 days and typically aggregates up to 76mm (2.99") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Roudouallec, France, during December, snow falls for 1.6 days and regularly aggregates up to 8mm (0.31") of snow. In Roudouallec, during the entire year, snow falls for 8.1 days and aggregates up to 46mm (1.81") of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of December in Roudouallec, sunrise is at 08:44 and sunset at 17:23. On the last day of the month, sunrise is at 09:05 and sunset at 17:31 CET.
Sunshine
In December, the average sunshine in Roudouallec is 3.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Roudouallec, France. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Roudouallec?
What is the most humid month in Roudouallec?
What is the average humidity in December in Roudouallec?
What is the wettest month in Roudouallec?
How much does it rain in Roudouallec in December?
How much does it snow in Roudouallec in December?
What is the month with the shortest days in Roudouallec?
What is the average length of the day in December in Roudouallec?
What time are sunrise and sunset in December in Roudouallec?
How long on average sun shines in December in Roudouallec?
What is the month with the lowest UV index in Roudouallec?
How high is the UV index in December in Roudouallec?
Average temperature in December
Roudouallec, France
- Average high temperature in December: 9.3°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in December: 4.7°C
The months with the highest average low temperature are July and August (12°C).
The coldest month (with the lowest average low temperature) is February (3°C).
Average pressure in December
Roudouallec, France
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in December
Roudouallec, France
- Average wind speed in December: 16.2km/h
The windiest month (with the highest average wind speed) is February (16.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Roudouallec, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and September (81%).
Average rainfall in December
Roudouallec, France
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Roudouallec, France
- Average rainfall days in December: 17.5 days
The month with the highest number of rainy days is January (18.3 days).
The month with the least rainy days is September (12.7 days).
Average snowfall in December
Roudouallec, France
- Average snowfall in December: 8mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Roudouallec, France
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.8 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
Roudouallec, 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 3min
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 24min).
Average sunshine days in December
Roudouallec, France
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is November (7.1 days).
Average UV index in December
Roudouallec, 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
Roudouallec, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 46).
Average visibility in December
Roudouallec, France
- Average visibility in December: 9km
The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (8km).
