December weather forecastChâtillon-sur-Cluses, France
December weather for Châtillon-sur-Cluses, France: The month with the most snowfall in Châtillon-sur-Cluses, France, is December, when snow falls for 14.8 days and typically aggregates up to 492mm (19.37") of snow. The month with the shortest days in Châtillon-sur-Cluses, France, is December, with an average of 8h and 42min of daylight.
December
Weather in December
December, the first month of the winter in Châtillon-sur-Cluses, is still a cold month, with an average temperature varying between -7.2°C (19°F) and 0.3°C (32.5°F).Temperature
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's cold 3.9°C (39°F) to a still wintry 0.3°C (32.5°F). Châtillon-sur-Cluses throughout December, experiences an average nighttime temperature of -7.2°C (19°F).Humidity
The average relative humidity in December is 84%.Rainfall
In Châtillon-sur-Cluses, in December, during 4.6 rainfall days, 65mm (2.56") of precipitation is typically accumulated. In Châtillon-sur-Cluses, during the entire year, the rain falls for 133.6 days and collects up to 502mm (19.76") of precipitation.Snowfall
Months with snowfall in Châtillon-sur-Cluses are January through December. December is the month with the most snowfall. Snow falls for 14.8 days and accumulates 492mm (19.37") 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 the month, sunrise is at 07:55 and sunset at 16:49. On the last day of December, in Châtillon-sur-Cluses, sunrise is at 08:15 and sunset at 16:57 CET.
Sunshine
December has the least sunshine of the year in Châtillon-sur-Cluses, with an average of 4.9h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. 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
Average temperature in December
Châtillon-sur-Cluses, France
- Average high temperature in December: 0.3°C
The warmest month (with the highest average high temperature) is August (18°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in December: -7.2°C
The month with the highest average low temperature is July (7.9°C).
The coldest month (with the lowest average low temperature) is February (-9.6°C).
Average pressure in December
Châtillon-sur-Cluses, 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
Châtillon-sur-Cluses, France
- Average wind speed in December: 8.9km/h
The windiest month (with the highest average wind speed) is December (8.9km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in December
Châtillon-sur-Cluses, France
- Average humidity in December: 84%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Châtillon-sur-Cluses, France
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is May (66mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in December
Châtillon-sur-Cluses, France
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is December (4.6 days).
Average snowfall in December
Châtillon-sur-Cluses, France
- Average snowfall in December: 492mm
The month with the highest snowfall is December (492mm).
The month with the least snowfall is July (1mm).
Average snowfall days in December
Châtillon-sur-Cluses, France
- Average snowfall days in December: 14.8 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are July and August (0.3 days).
Average daylight in December /
Average sunshine in December
Châtillon-sur-Cluses, 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 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Châtillon-sur-Cluses, France
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in December
Châtillon-sur-Cluses, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Châtillon-sur-Cluses, France
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Châtillon-sur-Cluses, France
- Average visibility in December: 8km
The months with the highest visibility are April, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, May and September (7km).
