December weather forecastJanneyrias, France
December weather for Janneyrias, France: In Janneyrias, France, during December, the rain falls for 12.5 days and regularly aggregates up to 48mm (1.89") of precipitation. In Janneyrias, during December, snow falls for 3.7 days and regularly aggregates up to 34mm (1.34") of snow.
December
Weather in December
December, the first month of the winter in Janneyrias, is also a frosty month, with an average temperature varying between 6.6°C (43.9°F) and 1.4°C (34.5°F).Temperature
Janneyrias's December weather shows a modest shift in high-temperatures, falling from November's cool 10.3°C (50.5°F) to a chilly 6.6°C (43.9°F). In December, Janneyrias records an average nighttime temperature of 1.4°C (34.5°F).Humidity
With an average relative humidity of 85%, December is the most humid month in Janneyrias.Rainfall
In Janneyrias, France, in December, during 12.5 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Janneyrias, during the entire year, the rain falls for 164.3 days and collects up to 575mm (22.64") of precipitation.Snowfall
Months with snowfall in Janneyrias are January through March, October through December. In December, it is snowing for 3.7 days. Throughout December, 34mm (1.34") of snow is accumulated. In Janneyrias, during the entire year, snow falls for 17.1 days and aggregates up to 147mm (5.79") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December in Janneyrias, France, sunrise is at 08:00 and sunset at 16:56. On the last day of the month, sunrise is at 08:20 and sunset at 17:05 CET.
Sunshine
The average sunshine in December in Janneyrias is 4.7h.UV index
The months with the lowest UV index in Janneyrias, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Janneyrias, France
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 1.4°C
The months with the highest average low temperature are July and August (14.6°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in December
Janneyrias, France
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Janneyrias, France
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest months (with the lowest average wind speed) are August and September (8.4km/h).
Average humidity in December
Janneyrias, France
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Janneyrias, France
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in December
Janneyrias, France
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in December
Janneyrias, France
- Average snowfall in December: 34mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Janneyrias, France
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are April, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Janneyrias, France
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 42min
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 36min).
Average sunshine days in December
Janneyrias, France
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Janneyrias, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Janneyrias, France
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Janneyrias, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September and November (9km).
The months with the lowest visibility are January, October and December (8km).





