December weather forecastGeilo, Norway
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Geilo, Norway, with an average temperature fluctuating between -11.2°C (11.8°F) and -5.8°C (21.6°F).Temperature
With the commencement of December, Geilo records a moderate temperature decline, with the average high easing from November's -2.8°C (27°F) to a still freezing cold -5.8°C (21.6°F). In the month of December, an average of -11.2°C (11.8°F) marks the low-temperature in Geilo.Humidity
The months with the highest humidity in Geilo, Norway, are January and December, with an average relative humidity of 92%.Rainfall
In December, in Geilo, the rain falls for 7.6 days. Throughout December, 38mm (1.5") of precipitation is accumulated. In Geilo, during the entire year, the rain falls for 114.3 days and collects up to 434mm (17.09") of precipitation.Snowfall
January through June, September through December are months with snowfall in Geilo. In Geilo, in December, during 17.9 snowfall days, 236mm (9.29") of snow is typically accumulated. Throughout the year, in Geilo, Norway, there are 116.6 snowfall days, and 1481mm (58.31") of snow is accumulated.Daylight
December has the shortest days of the year in Geilo, with an average of 5h and 54min of daylight.On the first day of December, sunrise is at 09:07 and sunset at 15:25. On the last day of the month, sunrise is at 09:34 and sunset at 15:26 CET.
Sunshine
January and December, with an average of 3.2h of sunshine, are months with the least sunshine in Geilo.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Geilo, Norway
- Average high temperature in December: -5.8°C
The warmest month (with the highest average high temperature) is July (14.6°C).
The month with the lowest average high temperature is January (-7°C).
- Average low temperature in December: -11.2°C
The month with the highest average low temperature is July (5.8°C).
The coldest month (with the lowest average low temperature) is January (-13°C).
Average pressure in December
Geilo, Norway
- Average pressure in December: 1007.4mbar
The month with the highest atmospheric pressure is April (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in December
Geilo, Norway
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is March (13.9km/h).
The calmest month (with the lowest average wind speed) is May (11km/h).
Average humidity in December
Geilo, Norway
- Average humidity in December: 92%
The months with the highest relative humidity are January and December (92%).
The month with the lowest relative humidity is June (73%).
Average rainfall in December
Geilo, Norway
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Geilo, Norway
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Geilo, Norway
- Average snowfall in December: 236mm
The month with the highest snowfall is November (260mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Geilo, Norway
- Average snowfall days in December: 17.9 days
The month with the highest number of snowfall days is December (17.9 days).
The month with the least snowfall days is August (0.1 days).
Average daylight in December /
Average sunshine in December
Geilo, Norway
- Average daylight in December: 5h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Geilo, Norway
- Average sunshine days in December: 10.9 days
The months with the most sunshine days are April and May (15.8 days).
The month with the least sunshine days is December (10.9 days).
Average UV index in December
Geilo, Norway
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February and April (UV index 1).
Average cloud cover in December
Geilo, Norway
- Average cloud cover in December: 54
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility in December
Geilo, Norway
- Average visibility in December: 7km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are January, February, March, April, November and December (7km).





