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
As November transitions into December, Gruyères sees a gentle drop in the average high-temperature, transitioning from a frosty 6.1°C (43°F) to an icy 1.9°C (35.4°F). Throughout the month of December, Gruyères witnesses an average temperature of -5.2°C (22.6°F).Humidity
The average relative humidity in December in Gruyères is 83%.Rainfall
In Gruyères, in December, during 6.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Gruyères, during the entire year, the rain falls for 96.1 days and collects up to 311mm (12.24") of precipitation.Snowfall
Months with snowfall in Gruyères, Switzerland, are January through May, October through December. In Gruyères, in December, during 5.6 snowfall days, 128mm (5.04") of snow is typically accumulated. Throughout the year, in Gruyères, there are 35.5 snowfall days, and 551mm (21.69") of snow is accumulated.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year in Gruyères.On the first day of December, sunrise is at 07:55 and sunset at 16:46. On the last day of the month, sunrise is at 08:15 and sunset at 16:54 CET.
Sunshine
The average sunshine in December in Gruyères, Switzerland, is 5.3h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Gruyères. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is December in Gruyères?
What is the average humidity in December in Gruyères?
How much does it rain in Gruyères in December?
How much does it snow in Gruyères in December?
What is the month with the shortest days in Gruyères?
How many hours of daylight does Gruyères have in December?
When are sunrise and sunset in December in Gruyères?
How long on average sun shines in December in Gruyères?
What are the months with the lowest UV index in Gruyères?
How high is the UV index in December in Gruyères?
Average temperature in December
Gruyères, Switzerland
- Average high temperature in December: 1.9°C
The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in December: -5.2°C
The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-7.7°C).
Average pressure in December
Gruyères, Switzerland
- Average pressure in December: 1021.1mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Gruyères, Switzerland
- Average wind speed in December: 9.4km/h
The windiest month (with the highest average wind speed) is December (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in December
Gruyères, Switzerland
- Average humidity in December: 83%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in December
Gruyères, Switzerland
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is May (38mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in December
Gruyères, Switzerland
- Average rainfall days in December: 6.1 days
The months with the highest number of rainy days are June and July (11.7 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Gruyères, Switzerland
- Average snowfall in December: 128mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gruyères, Switzerland
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gruyères, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Gruyères, Switzerland
- Average sunshine days in December: 21.8 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.2 days).
Average UV index in December
Gruyères, Switzerland
- Average UV index in December: 2
The month with the highest UV index is June (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
Gruyères, Switzerland
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Gruyères, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
Gruyères, Switzerland
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