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 shift from November to December includes a small decrease in the average high-temperature, from 9.4°C (48.9°F) to a still chilly 6.4°C (43.5°F). Rouy-le-Grand's nocturnal average in December closely mirrors its daytime temperatures, settling at a wintry 2.2°C (36°F).Humidity
With an average relative humidity of 89%, December is the most humid month in Rouy-le-Grand.Rainfall
The month with the most rainfall in Rouy-le-Grand is December, when the rain falls for 16 days and typically aggregates up to 64mm (2.52") of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Rouy-le-Grand, in December, during 2.6 snowfall days, 16mm (0.63") of snow is typically accumulated. In Rouy-le-Grand, during the entire year, snow falls for 11.1 days and aggregates up to 92mm (3.62") of snow.Daylight
The month with the shortest days in Rouy-le-Grand is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:24 and sunset at 16:50. On the last day of December, sunrise is at 08:45 and sunset at 16:57 CET.
Sunshine
In December, the average sunshine is 4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
Is it cold in Rouy-le-Grand during December?
What is the most humid month in Rouy-le-Grand?
What is the average humidity in December in Rouy-le-Grand?
What is the wettest month in Rouy-le-Grand?
How much does it rain in Rouy-le-Grand in December?
How many days does it snow in December in Rouy-le-Grand?
What is the month with the shortest days in Rouy-le-Grand?
How many hours of daylight does Rouy-le-Grand have in December?
When is the sunrise / sunset in December in Rouy-le-Grand?
How long on average sun shines in December in Rouy-le-Grand?
When is the lowest UV index in Rouy-le-Grand?
What is the UV index reading in December in Rouy-le-Grand?
Average temperature in December
Rouy-le-Grand, France
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in December
Rouy-le-Grand, France
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in December
Rouy-le-Grand, France
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in December
Rouy-le-Grand, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Rouy-le-Grand, France
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in December
Rouy-le-Grand, France
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in December
Rouy-le-Grand, France
- Average snowfall in December: 16mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Rouy-le-Grand, France
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rouy-le-Grand, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Rouy-le-Grand, France
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in December
Rouy-le-Grand, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Rouy-le-Grand, France
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Rouy-le-Grand, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
Rouy-le-Grand, France
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