December weather forecastGardermoen, Norway
December
Weather in December
December, the first month of the winter in Gardermoen, is also a subzero cold month, with an average temperature ranging between max -2.1°C (28.2°F) and min -5.6°C (21.9°F).Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from an icy 1.8°C (35.2°F) in November to a freezing cold -2.1°C (28.2°F). The temperature during December nights demonstrates a small drop from the daytime highs, settling to an average of -5.6°C (21.9°F).Humidity
In December, the average relative humidity is 90%.Rainfall
In Gardermoen, during December, the rain falls for 6.5 days and regularly aggregates up to 18mm (0.71") of precipitation. In Gardermoen, during the entire year, the rain falls for 139.3 days and collects up to 347mm (13.66") of precipitation.Snowfall
Months with snowfall in Gardermoen are January through May, October through December. In Gardermoen, in December, snow falls for 10.8 days, with typically accumulated 83mm (3.27") of snow. Throughout the year, in Gardermoen, Norway, there are 65.4 snowfall days, and 469mm (18.46") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 6h and 0min of daylight.On the first day of the month, sunrise is at 08:53 and sunset at 15:16. On the last day of December, in Gardermoen, sunrise is at 09:19 and sunset at 15:17 CET.
Sunshine
January and December, with an average of 3h of sunshine, are months with the least sunshine in Gardermoen.UV index
The months with the lowest UV index in Gardermoen are January through March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gardermoen, 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 (-3.2°C).
- Average low temperature in December: -5.6°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (-8.1°C).
Average pressure in December
Gardermoen, Norway
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in December
Gardermoen, Norway
- Average wind speed in December: 9km/h
The windiest months (with the highest average wind speed) are May and September (9.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in December
Gardermoen, Norway
- Average humidity in December: 90%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Gardermoen, Norway
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is January (16mm).
Average rainfall days in December
Gardermoen, Norway
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Gardermoen, Norway
- Average snowfall in December: 83mm
The month with the highest snowfall is March (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gardermoen, Norway
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gardermoen, Norway
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).
Average sunshine days in December
Gardermoen, Norway
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in December
Gardermoen, Norway
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Gardermoen, Norway
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in December
Gardermoen, Norway
- Average visibility in December: 7km
The months with the highest visibility are May and June (9km).
The month with the lowest visibility is February (5km).
