December weather forecastThun, Switzerland

December

Weather in December

December brings the full-blown winter season to Thun, Switzerland. The city, draped in a winter blanket, gets covered with 208mm (8.19") of snow over 7.9 days. Temperature fluctuations range from a chilly -5.3°C (22.5°F) to 2.3°C (36.1°F), indicative of the brisk weather. A sense of magic fills the air in December, with snowy mountains and charming decorations, making it a must-visit destination during the holiday season.

Temperature

The onset of December in Thun, Switzerland, entails a subtle temperature shift, as the average high-temperature eases from an icy 5.7°C (42.3°F) in November to a still wintry 2.3°C (36.1°F). During the month of December, Thun anticipates a mean low-temperature of -5.3°C (22.5°F).

Humidity

In December, the average relative humidity in Thun is 84%.

Rainfall

In Thun, in December, it is raining for 13.1 days, with typically 93mm (3.66") of accumulated precipitation. In Thun, during the entire year, the rain falls for 197 days and collects up to 1016mm (40") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Thun, Switzerland. The month with the most snowfall is December, when snow falls for 7.9 days and typically aggregates up to 208mm (8.19") of snow.

Daylight

With an average of 8h and 36min of daylight, December has the shortest days of the year in Thun.
On the first day of December in Thun, sunrise is at 07:54 and sunset at 16:43. On the last day of the month, sunrise is at 08:14 and sunset at 16:51 CET.

Sunshine

The months with the least sunshine are January, February and December, with an average of 5.3h of sunshine.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Thun. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in December, in Thun, is 2.3°C (36.1°F), while the average low-temperature is -5.3°C (22.5°F).

In Thun, Switzerland, the average relative humidity in December is 84%.

In December, in Thun, Switzerland, the rain falls for 13.1 days. Throughout December, 93mm (3.66") of precipitation is accumulated.

The month with the most snowfall is December, when snow falls for 7.9 days and typically aggregates up to 208mm (8.19") of snow.

In December, it is snowing for 7.9 days. Throughout December, 208mm (8.19") of snow is accumulated.

December has the shortest days of the year in Thun, with an average of 8h and 36min of daylight.

In December, the average day length in Thun, Switzerland, is 8h and 37min.

On the first day of December in Thun, Switzerland, sunrise is at 07:54 and sunset at 16:43. On the last day of the month, sunrise is at 08:14 and sunset at 16:51 CET.

January, February and December, with an average of 5.3h of sunshine, are months with the least sunshine in Thun, Switzerland.

The average sunshine duration in December in Thun, Switzerland, is 5.3h.

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Thun, Switzerland.

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

5.7°C

2.3°C

0.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.7km/h

8.7km/h

8.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.5

11.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Thun, Switzerland

Average high temperature in December: 2.3°C

The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (0.8°C).

Average low temperature in December: -5.3°C

The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7°C).

Average pressure in December
Thun, Switzerland

Average pressure in December: 1021mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in December
Thun, 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 (6km/h).

Average humidity in December
Thun, Switzerland

Average humidity in December: 84%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (79%).

Average rainfall in December
Thun, Switzerland

Average rainfall in December: 93mm

The wettest month (with the highest rainfall) is May (117mm).
The driest month (with the least rainfall) is September (53mm).

Average rainfall days in December
Thun, Switzerland

Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (11.8 days).

Average snowfall in December
Thun, Switzerland

Average snowfall in December: 208mm

The month with the highest snowfall is December (208mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Thun, Switzerland

Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Thun, Switzerland

Average daylight in December: 8h and 36min

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 18min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 18min).

Average sunshine days in December
Thun, Switzerland

Average sunshine days in December: 13 days

The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (6.8 days).

Average UV index in December
Thun, Switzerland

Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Thun, Switzerland

Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 35).

Average visibility in December
Thun, Switzerland

Average visibility in December: 8km

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is February (7km).