December weather forecastGranvin, Norway
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Granvin, Norway, with an average temperature fluctuating between -7.3°C (18.9°F) and -2.9°C (26.8°F).Temperature
December is characterized by a slight reduction in average high-temperature, easing from a cold 0.2°C (32.4°F) in November to a freezing cold -2.9°C (26.8°F). The month of December is marked by an average minimum temperature of -7.3°C (18.9°F), slightly cooler than its daytime counterpart.Humidity
The average relative humidity in December in Granvin is 91%.Rainfall
The month with the most rainfall in Granvin is December, when the rain falls for 15.1 days and typically aggregates up to 164mm (6.46") of precipitation.Snowfall
January through May, October through December are months with snowfall in Granvin. In Granvin, in December, during 15.5 snowfall days, 407mm (16.02") of snow is typically accumulated. Throughout the year, there are 77.9 snowfall days, and 1885mm (74.21") of snow is accumulated.Sea temperature
In Granvin, the average seawater temperature in December is 7.9°C (46.2°F).Note: While a brief time in 7.9°C (46.2°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
With an average of 5h and 54min of daylight, December has the shortest days of the year in Granvin, Norway.On the first day of the month, sunrise is at 09:13 and sunset at 15:31. On the last day of December, in Granvin, sunrise is at 09:40 and sunset at 15:32 CET.
Sunshine
With an average of 2.2h of sunshine, December has the least sunshine of the year in Granvin.UV index
January, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Granvin, Norway
- Average high temperature in December: -2.9°C
The warmest month (with the highest average high temperature) is July (15.7°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in December: -7.3°C
The month with the highest average low temperature is July (7.5°C).
The coldest month (with the lowest average low temperature) is February (-9.8°C).
Average pressure in December
Granvin, Norway
- Average pressure in December: 1006.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.4mbar).
Average wind speed in December
Granvin, Norway
- Average wind speed in December: 11.1km/h
The windiest month (with the highest average wind speed) is January (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in December
Granvin, Norway
- Average humidity in December: 91%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (75%).
Average rainfall in December
Granvin, Norway
- Average rainfall in December: 164mm
The wettest month (with the highest rainfall) is December (164mm).
The driest month (with the least rainfall) is June (61mm).
Average rainfall days in December
Granvin, Norway
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is July (21.5 days).
The month with the least rainy days is February (10.5 days).
Average snowfall in December
Granvin, Norway
- Average snowfall in December: 407mm
The month with the highest snowfall is January (474mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Granvin, Norway
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Granvin, Norway
- Average sea temperature in December: 7.9°C
The best month for swimming (with the highest average sea temperature) is August (15.8°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).
Average daylight in December /
Average sunshine in December
Granvin, 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: 2h and 12min
The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in December
Granvin, Norway
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is November (12.5 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in December
Granvin, Norway
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are January, October, November and December (UV index 1).
Average cloud cover in December
Granvin, Norway
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 52).
Average visibility in December
Granvin, 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 and December (7km).





