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
December
Weather in December
Temperature
A modest decline in the average high-temperature is seen during December, decreasing from a fresh 10.5°C (50.9°F) in November to a frosty 7°C (44.6°F). December records a small disparity from daytime temperatures, marking an average low-temperature of 2.7°C (36.9°F) in Cély.Humidity
With an average relative humidity of 87%, December is the most humid month in Cély, France.Rainfall
In December, the rain falls for 17.5 days. Throughout December, 59mm (2.32") of precipitation is accumulated. In Cély, during the entire year, the rain falls for 194.1 days and collects up to 555mm (21.85") of precipitation.Snowfall
January through March, November and December are months with snowfall in Cély. In Cély, during December, snow falls for 2.3 days and regularly aggregates up to 21mm (0.83") of snow. Throughout the year, in Cély, there are 11.2 snowfall days, and 86mm (3.39") of snow is accumulated.Daylight
The month with the shortest days in Cély is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:20 and sunset at 16:57. On the last day of December, sunrise is at 08:41 and sunset at 17:04 CET.
Sunshine
The average sunshine in December is 4.2h.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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Cély?
What is the most humid month in Cély?
What is the average humidity in December in Cély?
How much does it rain in Cély in December?
How much does it snow in Cély in December?
What is the month with the shortest days in Cély?
What is the average length of the day in December in Cély?
When is the sunrise / sunset in December in Cély?
How long on average sun shines in December in Cély?
What is the month with the lowest UV index in Cély?
How high is the UV index in December in Cély?
Average temperature in December
Cély, France
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Cély, France
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in December
Cély, France
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Cély, 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 (70%).
Average rainfall in December
Cély, France
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Cély, France
- Average rainfall days in December: 17.5 days
The months with the highest number of rainy days are May and June (18.7 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in December
Cély, France
- Average snowfall in December: 21mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Cély, France
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (3.7 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
Cély, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Cély, France
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in December
Cély, 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
Cély, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in December
Cély, 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).
