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
The shift from November to December includes a small decrease in the average high-temperature, from a chilly 8.3°C (46.9°F) to an icy 4.4°C (39.9°F). December nights observe an average temperature dip to a subzero cold -1.5°C (29.3°F).Humidity
In December, the average relative humidity is 85%.Rainfall
In Thônex, in December, during 14.1 rainfall days, 82mm (3.23") of precipitation is typically accumulated. Throughout the year, there are 190.1 rainfall days, and 748mm (29.45") of precipitation is accumulated.Snowfall
Months with snowfall in Thônex are January through April, October through December. December is the month with the most snowfall in Thônex. Snow falls for 4.7 days and accumulates 81mm (3.19") 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 07:57 and sunset at 16:51. On the last day of December, sunrise is at 08:17 and sunset at 16:59 CET.
Sunshine
The month with the least sunshine in Thônex is December, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index in Thônex are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
Is December cold in Thônex?
What is the average humidity in December in Thônex?
How much does it rain in Thônex in December?
When does it snow the most in Thônex?
How much does it snow in Thônex in December?
What is the month with the shortest days in Thônex?
How many hours of daylight does Thônex have in December?
When are sunrise and sunset in December in Thônex?
What is the month with the least sunshine in Thônex?
How long on average sun shines in December in Thônex?
What is the month with the lowest UV index in Thônex?
How high is the UV index in December in Thônex?
Average temperature in December
Thônex, Switzerland
- Average high temperature in December: 4.4°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in December
Thônex, 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 (1015.4mbar).
Average wind speed in December
Thônex, Switzerland
- Average wind speed in December: 9.2km/h
The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Thônex, Switzerland
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in December
Thônex, Switzerland
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is October (41mm).
Average rainfall days in December
Thônex, Switzerland
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in December
Thônex, Switzerland
- Average snowfall in December: 81mm
The month with the highest snowfall is December (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Thônex, Switzerland
- Average snowfall days in December: 4.7 days
The months with the highest number of snowfall days are January and February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Thônex, 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: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Thônex, Switzerland
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in December
Thônex, 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, November and December (UV index 2).
Average cloud cover in December
Thônex, Switzerland
- Average cloud cover in December: 49
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Thônex, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are March and April (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (8km).
Thônex, Switzerland
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