December weather forecast
Rüthi, Switzerland

December

Weather in December

December, the first month of the winter in Rüthi, is also an icy month, with an average temperature ranging between max 3°C (37.4°F) and min -3.9°C (25°F).

Temperature

December brings a slight decrease in temperature, down from a chilly 7.6°C (45.7°F) in November to a cold 3°C (37.4°F). Nighttime temperatures in Rüthi, Switzerland, consistently average a freezing cold -3.9°C (25°F) during December.

Humidity

The average relative humidity in December in Rüthi is 83%.

Rainfall

In Rüthi, Switzerland, in December, during 14.3 rainfall days, 100mm (3.94") of precipitation is typically accumulated. Throughout the year, there are 181.9 rainfall days, and 949mm (37.36") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Rüthi, in December, during 7.7 snowfall days, 138mm (5.43") of snow is typically accumulated. Throughout the year, in Rüthi, there are 37 snowfall days, and 721mm (28.39") of snow is accumulated.

Daylight

With an average of 8h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:48 and sunset at 16:33. On the last day of December, sunrise is at 08:08 and sunset at 16:41 CET.

Sunshine

December has the least sunshine of the year in Rüthi, with an average of 5.4h of sunshine.

UV index

The months with the lowest UV index in Rüthi are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is December in Rüthi?
December temperatures in Rüthi, Switzerland, vary between a high-temperature of 3°C (37.4°F) and a low-temperature of -3.9°C (25°F).
What is the average humidity in December in Rüthi?
The average relative humidity in December in Rüthi, Switzerland, is 83%.
How much does it rain in Rüthi in December?
In Rüthi, Switzerland, during December, the rain falls for 14.3 days and regularly aggregates up to 100mm (3.94") of precipitation.
How much does it snow in Rüthi in December?
In Rüthi, during December, snow falls for 7.7 days and regularly aggregates up to 138mm (5.43") of snow.
What is the month with the shortest days in Rüthi?
The month with the shortest days in Rüthi, Switzerland, is December, with an average of 8h and 36min of daylight.
How many hours of daylight does Rüthi have in December?
The average day length in December in Rüthi, Switzerland, is 8h and 33min.
When is the sunrise / sunset in December in Rüthi?
On the first day of December in Rüthi, sunrise is at 07:48 and sunset at 16:33. On the last day of the month, sunrise is at 08:08 and sunset at 16:41 CET.
What is the month with the least sunshine in Rüthi?
With an average of 5.4h of sunshine, December has the least sunshine of the year.
How long on average sun shines in December in Rüthi?
In Rüthi, the average sunshine duration in December is 5.4h.
What are the months with the lowest UV index in Rüthi?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rüthi.
How high is the UV index in December in Rüthi?
In December, the average daily maximum UV index in Rüthi, Switzerland, is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Rüthi, Switzerland
  • Average high temperature in December: 3°C

The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in December: -3.9°C

The month with the highest average low temperature is July (10.1°C).
The coldest month (with the lowest average low temperature) is February (-6°C).

Average pressure in December
Rüthi, Switzerland
  • Average pressure in December: 1020.8mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in December
Rüthi, Switzerland
  • Average wind speed in December: 7.9km/h

The windiest month (with the highest average wind speed) is December (7.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.4km/h).

Average humidity in December
Rüthi, Switzerland
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (76%).

Average rainfall in December
Rüthi, Switzerland
  • Average rainfall in December: 100mm

The wettest month (with the highest rainfall) is August (116mm).
The driest month (with the least rainfall) is April (51mm).

Average rainfall days in December
Rüthi, Switzerland
  • Average rainfall days in December: 14.3 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (10.4 days).

Average snowfall in December
Rüthi, Switzerland
  • Average snowfall in December: 138mm

The month with the highest snowfall is January (214mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Rüthi, Switzerland
  • Average snowfall days in December: 7.7 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Rüthi, Switzerland
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 54min).
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 December (Average sunshine: 5h and 24min).

Average sunshine days in December
Rüthi, Switzerland
  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in December
Rüthi, 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
Rüthi, Switzerland
  • Average cloud cover in December: 43

The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Rüthi, Switzerland
  • Average visibility in December: 8km

The months with the highest visibility are April, May, June, July, August and November (9km).
The month with the lowest visibility is January (7km).

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