December weather forecastCollombey, Switzerland

December

Weather in December

The first month of the winter, December, is also a wintry month in Collombey, Switzerland, with temperature in the range of an average high of 2°C (35.6°F) and an average low of -4.7°C (23.5°F).

Temperature

As December begins, there is a minor decrease in the average high-temperature, softly falling from a wintry 5.9°C (42.6°F) in November to a still cold 2°C (35.6°F). An average nighttime temperature of -4.7°C (23.5°F) is observed during December.

Humidity

In Collombey, the average relative humidity in December is 83%.

Rainfall

In Collombey, in December, it is raining for 15.8 days, with typically 131mm (5.16") of accumulated precipitation. In Collombey, during the entire year, the rain falls for 215.6 days and collects up to 1219mm (47.99") of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Collombey, in December, during 5.8 snowfall days, 114mm (4.49") of snow is typically accumulated. Throughout the year, in Collombey, there are 31.1 snowfall days, and 561mm (22.09") of snow is accumulated.

Daylight

December has the shortest days of the year in Collombey, with an average of 8h and 42min of daylight.
On the first day of December in Collombey, sunrise is at 07:55 and sunset at 16:47. On the last day of the month, sunrise is at 08:15 and sunset at 16:55 CET.

Sunshine

The months with the least sunshine are January and December, with an average of 5.5h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Collombey. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

The average high-temperature and low-temperature in Collombey during December are 2°C (35.6°F) and -4.7°C (23.5°F) respectively.

In Collombey, the average relative humidity in December is 83%.

In Collombey, during December, the rain falls for 15.8 days and regularly aggregates up to 131mm (5.16") of precipitation.

In December, in Collombey, it is snowing for 5.8 days. Throughout December, 114mm (4.49") of snow is accumulated.

December has the shortest days of the year in Collombey, Switzerland, with an average of 8h and 42min of daylight.

The average day length in December in Collombey is 8h and 41min.

In December, on the first day of the month, sunrise is at 07:55 and sunset at 16:47. On the last day of the month, sunrise is at 08:15 and sunset at 16:55 CET.

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

In Collombey, the average sunshine duration in December is 5.5h.

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index in Collombey, Switzerland, is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
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
Collombey, Switzerland

  • Average high temperature in December: 2°C

The warmest months (with the highest average high temperature) are July and August (19.8°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in December: -4.7°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 (-7.1°C).

Average pressure in December
Collombey, 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 (1015.3mbar).

Average wind speed in December
Collombey, Switzerland

  • Average wind speed in December: 9.2km/h

The windiest month (with the highest average wind speed) is December (9.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).

Average humidity in December
Collombey, Switzerland

  • Average humidity in December: 83%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (77%).

Average rainfall in December
Collombey, Switzerland

  • Average rainfall in December: 131mm

The wettest month (with the highest rainfall) is May (144mm).
The driest month (with the least rainfall) is September (54mm).

Average rainfall days in December
Collombey, Switzerland

  • Average rainfall days in December: 15.8 days

The month with the highest number of rainy days is May (23.5 days).
The month with the least rainy days is October (13.3 days).

Average snowfall in December
Collombey, Switzerland

  • Average snowfall in December: 114mm

The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in December
Collombey, Switzerland

  • Average snowfall days in December: 5.8 days

The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Collombey, 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 30min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in December
Collombey, Switzerland

  • Average sunshine days in December: 12.6 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (4.3 days).

Average UV index in December
Collombey, 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, November and December (UV index 2).

Average cloud cover in December
Collombey, Switzerland

  • Average cloud cover in December: 42

The months with the most cloud cover are January, February, March, May and December (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Collombey, Switzerland

  • Average visibility in December: 8km

The months with the highest visibility are October and November (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (8km).