December weather forecastSarpsborg, Norway
December
Weather in December
The first month of the winter, December, is also an icy month in Sarpsborg, Norway, with an average temperature varying between 1.5°C (34.7°F) and -1.5°C (29.3°F).Temperature
The beginning of December brings a slight decrease in the average high-temperature, transitioning from a wintry 5.1°C (41.2°F) in November to a still cold 1.5°C (34.7°F). Throughout December, Sarpsborg's nights experience a slight temperature dip to a subzero cold -1.5°C (29.3°F).Humidity
In December, the average relative humidity is 84%.Rainfall
In Sarpsborg, in December, during 10.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, in Sarpsborg, there are 140.1 rainfall days, and 339mm (13.35") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Sarpsborg, Norway, in December, snow falls for 5 days, with typically accumulated 20mm (0.79") of snow. Throughout the year, in Sarpsborg, there are 27.5 snowfall days, and 125mm (4.92") of snow is accumulated.Daylight
December has the shortest days of the year in Sarpsborg, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 08:45 and sunset at 15:23. On the last day of December, in Sarpsborg, sunrise is at 09:11 and sunset at 15:26 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sarpsborg, Norway
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The months with the lowest average high temperature are January and February (0.1°C).
- Average low temperature in December: -1.5°C
The months with the highest average low temperature are July and August (12.9°C).
The coldest month (with the lowest average low temperature) is February (-4°C).
Average pressure in December
Sarpsborg, Norway
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is April (1014.3mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in December
Sarpsborg, Norway
- Average wind speed in December: 17.5km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in December
Sarpsborg, Norway
- Average humidity in December: 84%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (71%).
Average rainfall in December
Sarpsborg, Norway
- Average rainfall in December: 28mm
The wettest months (with the highest rainfall) are July and August (44mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in December
Sarpsborg, Norway
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Sarpsborg, Norway
- Average snowfall in December: 20mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sarpsborg, Norway
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sarpsborg, Norway
- Average daylight in December: 6h and 18min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Sarpsborg, Norway
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Sarpsborg, Norway
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Sarpsborg, Norway
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in December
Sarpsborg, Norway
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, August and September (10km).
The months with the lowest visibility are January, February, March, July, October, November and December (9km).





