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
The onset of December results in a small decrease in the average high-temperature, moderately receding from a fresh 10.1°C (50.2°F) in November to a chilly 7.1°C (44.8°F). Roiville navigates through December with a barely noticeable decrease in temperature at night, stabilizing at an icy 2.4°C (36.3°F).Humidity
January and December, with an average relative humidity of 90%, are the most humid months.Rainfall
In December, in Roiville, the rain falls for 16 days. Throughout December, 64mm (2.52") of precipitation is accumulated. In Roiville, during the entire year, the rain falls for 190.6 days and collects up to 566mm (22.28") of precipitation.Snowfall
Months with snowfall in Roiville are January through April, November and December. December is the month with the most snowfall. Snow falls for 1.8 days and accumulates 32mm (1.26") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of December in Roiville, sunrise is at 08:31 and sunset at 17:04. On the last day of the month, sunrise is at 08:52 and sunset at 17:12 CET.
Sunshine
In December, the average sunshine is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Roiville. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Roiville in December?
What are the most humid months in Roiville?
What is the average humidity in December in Roiville?
How many days does it rain in December in Roiville?
When does it snow the most in Roiville?
How much does it snow in Roiville in December?
What is the month with the shortest days in Roiville?
How many hours of daylight does Roiville have in December?
When is the sunrise / sunset in December in Roiville?
How long on average sun shines in December in Roiville?
What are the months with the lowest UV index in Roiville?
What is the UV index intensity in December in Roiville?
Average temperature in December
Roiville, France
- Average high temperature in December: 7.1°C
The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 2.4°C
The months with the highest average low temperature are July and August (12.4°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in December
Roiville, France
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Roiville, France
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Roiville, France
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Roiville, France
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Roiville, France
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is September (12.4 days).
Average snowfall in December
Roiville, France
- Average snowfall in December: 32mm
The month with the highest snowfall is December (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Roiville, France
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (2.7 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
Roiville, 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 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Roiville, France
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in December
Roiville, 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
Roiville, France
- Average cloud cover in December: 61
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 44).
Average visibility in December
Roiville, France
- Average visibility in December: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
