December weather forecastSlemdal, Norway

December

Weather in December

December, the first month of the winter in Slemdal, is still a freezing cold month, with an average temperature fluctuating between -5.6°C (21.9°F) and -2.1°C (28.2°F).

Temperature

December's onset introduces a mild reduction in the average high-temperature, from an icy 2.2°C (36°F) in November to a subzero cold -2.1°C (28.2°F). Nights in December exhibit a minor reduction to an average low temperature of -5.6°C (21.9°F).

Humidity

The average relative humidity in December is 89%.

Rainfall

In December, in Slemdal, the rain falls for 6 days. Throughout December, 37mm (1.46") of precipitation is accumulated. In Slemdal, during the entire year, the rain falls for 142.2 days and collects up to 648mm (25.51") of precipitation.

Snowfall

Months with snowfall in Slemdal, Norway, are January through May, October through December. In December, in Slemdal, it is snowing for 12.4 days. Throughout December, 199mm (7.83") of snow is accumulated. In Slemdal, during the entire year, snow falls for 71.1 days and aggregates up to 1230mm (48.43") of snow.

Daylight

With an average of 6h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 08:52 and sunset at 15:20. On the last day of December, sunrise is at 09:18 and sunset at 15:21 CET.

Sunshine

January and December, with an average of 3.1h of sunshine, are months with the least sunshine in Slemdal, Norway.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 1 in December leads to these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Opt for tightly woven and loose clothing to enhance protection from the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

In Slemdal, -2.1°C (28.2°F) is the average high-temperature and -5.6°C (21.9°F) is the average low-temperature during December.

In Slemdal, the average relative humidity in December is 89%.

In Slemdal, in December, it is raining for 6 days, with typically 37mm (1.46") of accumulated precipitation.

In December, it is snowing for 12.4 days. Throughout December, 199mm (7.83") of snow is accumulated.

December has the shortest days of the year, with an average of 6h and 6min of daylight.

In December, the average day length in Slemdal, Norway, is 6h and 3min.

On the first day of December in Slemdal, sunrise is at 08:52 and sunset at 15:20. On the last day of the month, sunrise is at 09:18 and sunset at 15:21 CET.

The months with the least sunshine in Slemdal are January and December, with an average of 3.1h of sunshine.

The average sunshine duration in December is 3.1h.

The months with the lowest UV index in Slemdal are January through March and December, with an average maximum UV index of 1.

The average daily maximum UV index in December in Slemdal is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Slemdal, Norway

  • Average high temperature in December: -2.1°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 (-2.8°C).

  • Average low temperature in December: -5.6°C

The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-8.2°C).

Average pressure in December
Slemdal, Norway

  • Average pressure in December: 1008mbar

The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

Average wind speed in December
Slemdal, Norway

  • Average wind speed in December: 9.1km/h

The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).

Average humidity in December
Slemdal, Norway

  • Average humidity in December: 89%

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (70%).

Average rainfall in December
Slemdal, Norway

  • Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is July (79mm).
The driest months (with the least rainfall) are January and April (27mm).

Average rainfall days in December
Slemdal, Norway

  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is July (22 days).
The months with the least rainy days are January and February (2.8 days).

Average snowfall in December
Slemdal, Norway

  • Average snowfall in December: 199mm

The month with the highest snowfall is March (238mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Slemdal, Norway

  • Average snowfall days in December: 12.4 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Slemdal, Norway

  • Average daylight in December: 6h and 6min

The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).

  • Average sunshine in December: 3h and 6min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).

Average sunshine days in December
Slemdal, Norway

  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in December
Slemdal, Norway

  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 1).

Average cloud cover in December
Slemdal, Norway

  • Average cloud cover in December: 58

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 47).

Average visibility in December
Slemdal, Norway

  • Average visibility in December: 7km

The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (6km).