December weather forecast
Grimisuat, Switzerland

December

Weather in December

The first month of the winter, December, is also a subzero cold month in Grimisuat, Switzerland, with temperature in the range of an average high of -1.2°C (29.8°F) and an average low of -9.5°C (14.9°F).

Temperature

December is characterized by a slight reduction in average high-temperature, easing from a wintry 2.5°C (36.5°F) in November to a subzero cold -1.2°C (29.8°F). During December, an average low-temperature of -9.5°C (14.9°F) is observed in Grimisuat.

Humidity

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

Rainfall

In Grimisuat, Switzerland, during December, the rain falls for 13.9 days and regularly aggregates up to 118mm (4.65") of precipitation. Throughout the year, there are 233.7 rainfall days, and 1378mm (54.25") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Grimisuat, during December, snow falls for 7.2 days and regularly aggregates up to 156mm (6.14") of snow. Throughout the year, there are 40.9 snowfall days, and 716mm (28.19") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 42min of daylight.
On the first day of December in Grimisuat, Switzerland, sunrise is at 07:53 and sunset at 16:46. On the last day of the month, sunrise is at 08:13 and sunset at 16:54 CET.

Sunshine

In December, the average sunshine in Grimisuat is 4.9h.

UV index

In Grimisuat, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

How cold is it in Grimisuat in December?
An average high-temperature, in December, in Grimisuat, is -1.2°C (29.8°F) and the average low-temperature is -9.5°C (14.9°F).
What is the average humidity in December in Grimisuat?
In Grimisuat, Switzerland, the average relative humidity in December is 84%.
How many days does it rain in December in Grimisuat?
In December, the rain falls for 13.9 days. Throughout December, 118mm (4.65") of precipitation is accumulated.
How many days does it snow in December in Grimisuat?
In Grimisuat, during December, snow falls for 7.2 days and regularly aggregates up to 156mm (6.14") of snow.
What is the month with the shortest days in Grimisuat?
December has the shortest days of the year in Grimisuat, Switzerland, with an average of 8h and 42min of daylight.
How many hours of daylight does Grimisuat have in December?
The average day length in December in Grimisuat, Switzerland, is 8h and 41min.
When is the sunrise / sunset in December in Grimisuat?
On the first day of December, sunrise is at 07:53 and sunset at 16:46. On the last day of the month, sunrise is at 08:13 and sunset at 16:54 CET.
How long on average sun shines in December in Grimisuat?
In December, the average sunshine duration in Grimisuat is 4.9h.
What is the UV index intensity in December in Grimisuat?
In Grimisuat, Switzerland, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from 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 - Grimisuat, Switzerland
Average temperature in December
Grimisuat, Switzerland
  • Average high temperature in December: -1.2°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 (-2.5°C).

  • Average low temperature in December: -9.5°C

The month with the highest average low temperature is August (6.4°C).
The coldest months (with the lowest average low temperature) are January and February (-11°C).

Average pressure in December - Grimisuat, Switzerland
Average pressure in December
Grimisuat, 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 - Grimisuat, Switzerland
Average wind speed in December
Grimisuat, 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 - Grimisuat, Switzerland
Average humidity in December
Grimisuat, Switzerland
  • Average humidity in December: 84%

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 - Grimisuat, Switzerland
Average rainfall in December
Grimisuat, Switzerland
  • Average rainfall in December: 118mm

The wettest month (with the highest rainfall) is May (177mm).
The driest month (with the least rainfall) is September (76mm).

Average rainfall days in December - Grimisuat, Switzerland
Average rainfall days in December
Grimisuat, Switzerland
  • Average rainfall days in December: 13.9 days

The month with the highest number of rainy days is May (25.8 days).
The month with the least rainy days is February (13.8 days).

Average snowfall in December - Grimisuat, Switzerland
Average snowfall in December
Grimisuat, Switzerland
  • Average snowfall in December: 156mm

The month with the highest snowfall is February (167mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in December - Grimisuat, Switzerland
Average snowfall days in December
Grimisuat, Switzerland
  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December / Average sunshine in December - Grimisuat, Switzerland
Average daylight in December /
Average sunshine in December
Grimisuat, 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: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December - Grimisuat, Switzerland
Average sunshine days in December
Grimisuat, Switzerland
  • Average sunshine days in December: 12.6 days

The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (2.8 days).

Average UV index in December - Grimisuat, Switzerland
Average UV index in December
Grimisuat, 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 - Grimisuat, Switzerland
Average cloud cover in December
Grimisuat, 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 37).

Average visibility in December - Grimisuat, Switzerland
Average visibility in December
Grimisuat, Switzerland
  • Average visibility in December: 7km

The months with the highest visibility are June, July, August, October and November (8km).
The months with the lowest visibility are January, February and March (6km).

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