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
Coppet in December experiences a gentle temperature dip, with average high-temperatures reducing from a wintry 2.5°C (36.5°F) in November to a freezing cold -1.2°C (29.8°F). During December nights, Coppet records an average temperature of -9.5°C (14.9°F).Humidity
The average relative humidity in December in Coppet is 84%.Rainfall
In Coppet, during December, the rain falls for 13.9 days and regularly aggregates up to 118mm (4.65") of precipitation. Throughout the year, in Coppet, Switzerland, there are 233.7 rainfall days, and 1378mm (54.25") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Coppet, during December, snow falls for 7.2 days and regularly aggregates up to 156mm (6.14") of snow. Throughout the year, in Coppet, there are 40.9 snowfall days, and 716mm (28.19") of snow is accumulated.Daylight
The month with the shortest days in Coppet is December, with an average of 8h and 42min of daylight.On the first day of December in Coppet, sunrise is at 07:58 and sunset at 16:50. On the last day of the month, sunrise is at 08:18 and sunset at 16:58 CET.
Sunshine
In Coppet, Switzerland, the average sunshine in December is 4.9h.UV index
In December, the average daily maximum UV index in Coppet, Switzerland, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Coppet?
What is the average humidity in December in Coppet?
How many days does it rain in December in Coppet?
How many days does it snow in December in Coppet?
What is the month with the shortest days in Coppet?
How many hours of daylight does Coppet have in December?
When are sunrise and sunset in December in Coppet?
How many hours of sunshine does Coppet have in December?
What is the UV index reading in December in Coppet?
Average temperature in December
Coppet, Switzerland
- Average high temperature in December: -1.2°C
The warmest month (with the highest average high temperature) is August (16.7°C).
The month with the lowest average high temperature is January (-2.5°C).
- Average low temperature in December: -9.5°C
The month with the highest average low temperature is August (6.4°C).
The coldest months (with the lowest average low temperature) are January and February (-11°C).
Average pressure in December
Coppet, Switzerland
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Coppet, Switzerland
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Coppet, Switzerland
- Average humidity in December: 84%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in December
Coppet, Switzerland
- Average rainfall in December: 118mm
The wettest month (with the highest rainfall) is May (177mm).
The driest month (with the least rainfall) is September (76mm).
Average rainfall days in December
Coppet, Switzerland
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (25.8 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in December
Coppet, Switzerland
- Average snowfall in December: 156mm
The month with the highest snowfall is February (167mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Coppet, Switzerland
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Coppet, 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 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Coppet, Switzerland
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (2.8 days).
Average UV index in December
Coppet, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Coppet, Switzerland
- Average cloud cover in December: 47
The months with the most cloud cover are February and March (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 37).
Average visibility in December
Coppet, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are June, July, August, October and November (8km).
The months with the lowest visibility are January, February and March (6km).
