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
Céligny, Switzerland, in December undergoes a slight reduction in the average high-temperature, shifting from November's frosty 7.7°C (45.9°F) to a cold 3.8°C (38.8°F). Céligny records a consistent low-temperature of -1.6°C (29.1°F) during December nights.Humidity
In Céligny, Switzerland, the average relative humidity in December is 87%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.1 days and typically aggregates up to 173mm (6.81") of precipitation.Snowfall
Months with snowfall in Céligny are January through May, September through December. The month with the most snowfall is December, when snow falls for 16.7 days and typically aggregates up to 833mm (32.8") 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 07:58 and sunset at 16:50. On the last day of December, in Céligny, sunrise is at 08:18 and sunset at 16:58 CET.
Sunshine
With an average of 4.2h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Céligny, Switzerland, are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is December in Céligny?
What is the average humidity in December in Céligny?
What is the rainiest month in Céligny?
How many days does it rain in December in Céligny?
When does it snow the most in Céligny?
How much does it snow in Céligny in December?
What is the month with the shortest days in Céligny?
What is the average length of the day in December in Céligny?
When is the sunrise / sunset in December in Céligny?
What is the month with the least sunshine in Céligny?
How many hours of sunshine does Céligny have in December?
What are the months with the lowest UV index in Céligny?
What is the UV index reading in December in Céligny?
Average temperature in December
Céligny, Switzerland
- Average high temperature in December: 3.8°C
The warmest months (with the highest average high temperature) are July and August (21.8°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).
Average pressure in December
Céligny, Switzerland
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Céligny, Switzerland
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is February (10.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in December
Céligny, Switzerland
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in December
Céligny, Switzerland
- Average rainfall in December: 173mm
The wettest month (with the highest rainfall) is December (173mm).
The driest month (with the least rainfall) is September (84mm).
Average rainfall days in December
Céligny, Switzerland
- Average rainfall days in December: 10.1 days
The months with the highest number of rainy days are May and June (22.8 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Céligny, Switzerland
- Average snowfall in December: 833mm
The month with the highest snowfall is December (833mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Céligny, Switzerland
- Average snowfall days in December: 16.7 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Céligny, Switzerland
- Average daylight in December: 8h and 4min
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 1min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in December
Céligny, Switzerland
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (5.9 days).
Average UV index in December
Céligny, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Céligny, Switzerland
- Average cloud cover in December: 56
The months with the most cloud cover are January, February and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Céligny, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).
Céligny, Switzerland
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