December weather forecastLa Châtelaine, France
December
Weather in December
December, the first month of the winter in La Châtelaine, is also an icy month, with an average temperature varying between 5.9°C (42.6°F) and 0.6°C (33.1°F).Temperature
December's onset introduces a mild reduction in the average high-temperature, from a chilly 9.5°C (49.1°F) in November to an icy 5.9°C (42.6°F). Throughout the month of December, La Châtelaine reports a steady low-temperature average of 0.6°C (33.1°F).Humidity
December is the most humid month in La Châtelaine, with an average relative humidity of 87%.Rainfall
The month with the most rainfall in La Châtelaine is December, when the rain falls for 14.1 days and typically aggregates up to 83mm (3.27") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In La Châtelaine, during December, snow falls for 3.8 days and regularly aggregates up to 38mm (1.5") of snow. Throughout the year, there are 15.9 snowfall days, and 176mm (6.93") of snow is accumulated.Daylight
The month with the shortest days in La Châtelaine is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 08:01 and sunset at 16:50. On the last day of December, sunrise is at 08:21 and sunset at 16:57 CET.
Sunshine
January and December, with an average of 4.6h of sunshine, are months with the least sunshine in La Châtelaine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in La Châtelaine. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
La Châtelaine, France
- Average high temperature in December: 5.9°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 0.6°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in December
La Châtelaine, France
- Average pressure in December: 1021.1mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
La Châtelaine, France
- Average wind speed in December: 10.9km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).
Average humidity in December
La Châtelaine, France
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
La Châtelaine, France
- Average rainfall in December: 83mm
The wettest month (with the highest rainfall) is December (83mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in December
La Châtelaine, France
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in December
La Châtelaine, France
- Average snowfall in December: 38mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
La Châtelaine, France
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
La Châtelaine, France
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in December
La Châtelaine, France
- Average sunshine days in December: 13.3 days
The months with the most sunshine days are September and October (16 days).
The month with the least sunshine days is June (10 days).
Average UV index in December
La Châtelaine, France
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
La Châtelaine, France
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
La Châtelaine, France
- Average visibility in December: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (8km).
