December weather forecastRoybon, France
December
Weather in December
The first month of the winter, December, is still a chilly month in Roybon, France, with an average temperature varying between 6.4°C (43.5°F) and 0°C (32°F).Temperature
The advent of December brings a subtle shift in temperature, with the average high moving from 9.7°C (49.5°F) in November to a still frosty 6.4°C (43.5°F). December nights in Roybon observe an average temperature dip to a cold 0°C (32°F).Humidity
The months with the highest humidity are January, November and December, with an average relative humidity of 85%.Rainfall
In Roybon, France, in December, during 12.1 rainfall days, 61mm (2.4") of precipitation is typically accumulated. Throughout the year, in Roybon, there are 161.5 rainfall days, and 601mm (23.66") of precipitation is accumulated.Snowfall
Months with snowfall in Roybon are January through May, October through December. In Roybon, France, during December, snow falls for 6 days and regularly aggregates up to 65mm (2.56") of snow. Throughout the year, in Roybon, there are 30.2 snowfall days, and 375mm (14.76") of snow is accumulated.Daylight
The month with the shortest days in Roybon is December, with an average of 8h and 48min of daylight.On the first day of December in Roybon, sunrise is at 07:58 and sunset at 16:58. On the last day of the month, sunrise is at 08:18 and sunset at 17:06 CET.
Sunshine
In December, the average sunshine in Roybon is 4.9h.UV index
The months with the lowest UV index in Roybon are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roybon, France
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 0°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in December
Roybon, France
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Roybon, France
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).
Average humidity in December
Roybon, France
- Average humidity in December: 85%
The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Roybon, France
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in December
Roybon, France
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is August (11 days).
Average snowfall in December
Roybon, France
- Average snowfall in December: 65mm
The month with the highest snowfall is November (92mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Roybon, France
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roybon, France
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Roybon, France
- Average sunshine days in December: 14 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in December
Roybon, 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
Roybon, France
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Roybon, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
