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
Weather in December
Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from a cool 10.1°C (50.2°F) in November to a chilly 6.7°C (44.1°F). Châtillon-sur-Morin marks an average drop to a wintry 2.1°C (35.8°F) during nighttime in December, following the high of the day.Humidity
The most humid month is December, with an average relative humidity of 88%.Rainfall
In Châtillon-sur-Morin, in December, it is raining for 16.5 days, with typically 53mm (2.09") of accumulated precipitation. Throughout the year, there are 180.5 rainfall days, and 499mm (19.65") of precipitation is accumulated.Snowfall
Months with snowfall in Châtillon-sur-Morin are January through March, November and December. In Châtillon-sur-Morin, in December, during 3.3 snowfall days, 25mm (0.98") of snow is typically accumulated. Throughout the year, in Châtillon-sur-Morin, there are 12.4 snowfall days, and 89mm (3.5") of snow is accumulated.Daylight
December has the shortest days of the year in Châtillon-sur-Morin, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:17 and sunset at 16:52. On the last day of December, in Châtillon-sur-Morin, France, sunrise is at 08:38 and sunset at 16:59 CET.
Sunshine
The average sunshine in December in Châtillon-sur-Morin 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. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Châtillon-sur-Morin in December?
What is the most humid month in Châtillon-sur-Morin?
What is the average humidity in December in Châtillon-sur-Morin?
How many days does it rain in December in Châtillon-sur-Morin?
How much does it snow in Châtillon-sur-Morin in December?
What is the month with the shortest days in Châtillon-sur-Morin?
What is the average length of the day in December in Châtillon-sur-Morin?
When are sunrise and sunset in December in Châtillon-sur-Morin?
How long on average sun shines in December in Châtillon-sur-Morin?
When is the lowest UV index in Châtillon-sur-Morin?
How high is the UV index in December in Châtillon-sur-Morin?
Average temperature in December
Châtillon-sur-Morin, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in December: 2.1°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in December
Châtillon-sur-Morin, France
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.3mbar).
Average wind speed in December
Châtillon-sur-Morin, France
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in December
Châtillon-sur-Morin, France
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Châtillon-sur-Morin, France
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in December
Châtillon-sur-Morin, France
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in December
Châtillon-sur-Morin, France
- Average snowfall in December: 25mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Châtillon-sur-Morin, France
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Châtillon-sur-Morin, 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 24min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Châtillon-sur-Morin, France
- Average sunshine days in December: 10 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in December
Châtillon-sur-Morin, France
- Average UV index in December: 2
The month with the highest UV index is 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
Châtillon-sur-Morin, France
- Average cloud cover in December: 61
The months with the most cloud cover are January and December (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in December
Châtillon-sur-Morin, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, July, August and September (9km).
The months with the lowest visibility are January, February, May, June, October, November and December (8km).
Châtillon-sur-Morin, France
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