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
Châtillon-sur-Oise's December weather shows a modest shift in high-temperatures, falling from November's 9.4°C (48.9°F) to a still frosty 6.4°C (43.5°F). In December, Châtillon-sur-Oise's nights cool slightly to a consistent average temperature of 2.2°C (36°F).Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
December is the month with the most rainfall in Châtillon-sur-Oise. Rain falls for 16 days and accumulates 64mm (2.52") of precipitation.Snowfall
January through March, October through December are months with snowfall. In Châtillon-sur-Oise, during December, snow falls for 2.6 days and regularly aggregates up to 16mm (0.63") of snow. In Châtillon-sur-Oise, during the entire year, snow falls for 11.1 days and aggregates up to 92mm (3.62") of snow.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Châtillon-sur-Oise, France.On the first day of December, sunrise is at 08:22 and sunset at 16:48. On the last day of the month, sunrise is at 08:43 and sunset at 16:55 CET.
Sunshine
In December, the average sunshine is 4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
Is it cold in Châtillon-sur-Oise during December?
What is the most humid month in Châtillon-sur-Oise?
What is the average humidity in December in Châtillon-sur-Oise?
What is the rainiest month in Châtillon-sur-Oise?
How much does it rain in Châtillon-sur-Oise in December?
How many days does it snow in December in Châtillon-sur-Oise?
What is the month with the shortest days in Châtillon-sur-Oise?
How many hours of daylight does Châtillon-sur-Oise have in December?
When are sunrise and sunset in December in Châtillon-sur-Oise?
How many hours of sunshine does Châtillon-sur-Oise have in December?
What is the month with the lowest UV index in Châtillon-sur-Oise?
What is the UV index intensity in December in Châtillon-sur-Oise?
Average temperature in December
Châtillon-sur-Oise, France
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in December
Châtillon-sur-Oise, France
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in December
Châtillon-sur-Oise, France
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in December
Châtillon-sur-Oise, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Châtillon-sur-Oise, France
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in December
Châtillon-sur-Oise, France
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is September (12 days).
Average snowfall in December
Châtillon-sur-Oise, France
- Average snowfall in December: 16mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Châtillon-sur-Oise, France
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Châtillon-sur-Oise, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Châtillon-sur-Oise, France
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in December
Châtillon-sur-Oise, 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
Châtillon-sur-Oise, France
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Châtillon-sur-Oise, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
Châtillon-sur-Oise, France
Weather forecast for your location
2. Allow the app to use your location
