December weather forecastThyon, Switzerland
December
Weather in December
December, the first month of the winter in Thyon, is also a subzero cold month, with temperature in the range of an average low of -9.5°C (14.9°F) and an average high of -1.3°C (29.7°F).Temperature
In Thyon, entering December brings a subtle temperature decrement, reducing from November's icy 2.3°C (36.1°F) to a freezing cold -1.3°C (29.7°F). During the month of December, the nighttime temperature in Thyon falls to an average of -9.5°C (14.9°F).Humidity
The average relative humidity in December in Thyon is 85%.Rainfall
In December, the rain falls for 13.3 days. Throughout December, 109mm (4.29") of precipitation is accumulated. Throughout the year, there are 226.6 rainfall days, and 1272mm (50.08") of precipitation is accumulated.Snowfall
Months with snowfall in Thyon are January through May, October through December. In December, in Thyon, it is snowing for 6.4 days. Throughout December, 128mm (5.04") of snow is accumulated. In Thyon, during the entire year, snow falls for 40.8 days and aggregates up to 701mm (27.6") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:53 and sunset at 16:46. On the last day of December, in Thyon, sunrise is at 08:12 and sunset at 16:54 CET.
Sunshine
The average sunshine in December in Thyon is 5h.UV index
The average daily maximum UV index in December in Thyon is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Thyon, Switzerland
- Average high temperature in December: -1.3°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 (-2.6°C).
- Average low temperature in December: -9.5°C
The month with the highest average low temperature is August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).
Average pressure in December
Thyon, 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
Thyon, 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
Thyon, Switzerland
- Average humidity in December: 85%
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
Thyon, Switzerland
- Average rainfall in December: 109mm
The wettest month (with the highest rainfall) is May (158mm).
The driest month (with the least rainfall) is October (63mm).
Average rainfall days in December
Thyon, Switzerland
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is May (24.9 days).
The month with the least rainy days is December (13.3 days).
Average snowfall in December
Thyon, Switzerland
- Average snowfall in December: 128mm
The month with the highest snowfall is January (175mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Thyon, Switzerland
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Thyon, Switzerland
- Average daylight in December: 8h and 42min
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: 5h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Thyon, Switzerland
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (4.2 days).
Average UV index in December
Thyon, 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
Thyon, 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 36).
Average visibility in December
Thyon, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August, October, November and December (8km).
The month with the lowest visibility is March (6km).
