December weather forecastSandnes, Norway
December
Weather in December
December, the first month of the winter in Sandnes, is still a cold month, with an average temperature ranging between min 3.4°C (38.1°F) and max 5.6°C (42.1°F).Temperature
With the onset of December, the average high-temperature registers at an icy 5.6°C (42.1°F), subtly different from November's 7.9°C (46.2°F). Sandnes observes a consistent average low-temperature of 3.4°C (38.1°F) throughout December nights.Humidity
The average relative humidity in December is 78%.Rainfall
December is the month with the most rainfall in Sandnes. Rain falls for 21.5 days and accumulates 130mm (5.12") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Sandnes, in December, snow falls for 3.1 days, with typically accumulated 29mm (1.14") of snow. Throughout the year, in Sandnes, Norway, there are 17.8 snowfall days, and 115mm (4.53") of snow is accumulated.Sea temperature
In Sandnes, in December, the average water temperature is 8.2°C (46.8°F).Note: Caution: 8.2°C (46.8°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing.
Daylight
December has the shortest days of the year in Sandnes, with an average of 6h and 24min of daylight.On the first day of the month, sunrise is at 09:03 and sunset at 15:48. On the last day of December, sunrise is at 09:29 and sunset at 15:51 CET.
Sunshine
December has the least sunshine of the year in Sandnes, with an average of 2.4h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sandnes. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sandnes, Norway
- Average high temperature in December: 5.6°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (3.7°C).
- Average low temperature in December: 3.4°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in December
Sandnes, Norway
- Average pressure in December: 1006.7mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in December
Sandnes, Norway
- Average wind speed in December: 26.3km/h
The windiest month (with the highest average wind speed) is January (27.4km/h).
The calmest months (with the lowest average wind speed) are June and July (17.2km/h).
Average humidity in December
Sandnes, Norway
- Average humidity in December: 78%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Sandnes, Norway
- Average rainfall in December: 130mm
The wettest month (with the highest rainfall) is December (130mm).
The driest month (with the least rainfall) is June (43mm).
Average rainfall days in December
Sandnes, Norway
- Average rainfall days in December: 21.5 days
The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is June (13.3 days).
Average snowfall in December
Sandnes, Norway
- Average snowfall in December: 29mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Sandnes, Norway
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Sandnes, Norway
- Average sea temperature in December: 8.2°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (4.6°C).
Average daylight in December /
Average sunshine in December
Sandnes, Norway
- Average daylight in December: 6h and 24min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Sandnes, Norway
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.8 days).
Average UV index in December
Sandnes, Norway
- Average UV index in December: 2
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, November and December (UV index 2).
Average cloud cover in December
Sandnes, Norway
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in December
Sandnes, Norway
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July and August (10km).
The months with the lowest visibility are January, February, March, September, October, November and December (9km).





