December weather forecastSiljan, Norway
December
Weather in December
The first month of the winter, December, is still a cold month in Siljan, Norway, with temperature in the range of an average high of 0.7°C (33.3°F) and an average low of -2.5°C (27.5°F).Temperature
The advent of December brings a subtle shift in temperature, with the average high moving from a cold 4.1°C (39.4°F) in November to a still icy 0.7°C (33.3°F). During the nights of December, Siljan records an average temperature of -2.5°C (27.5°F), a minor drop from daytime peaks.Humidity
The average relative humidity in December in Siljan is 84%.Rainfall
In Siljan, in December, during 9.7 rainfall days, 62mm (2.44") of precipitation is typically accumulated. In Siljan, during the entire year, the rain falls for 142.3 days and collects up to 756mm (29.76") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Siljan, Norway, in December, during 8.3 snowfall days, 192mm (7.56") of snow is typically accumulated. In Siljan, Norway, during the entire year, snow falls for 52 days and aggregates up to 1085mm (42.72") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 08:51 and sunset at 15:29. On the last day of December, in Siljan, sunrise is at 09:17 and sunset at 15:31 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 3.4h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Siljan. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siljan, Norway
- Average high temperature in December: 0.7°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is February (-4.7°C).
Average pressure in December
Siljan, Norway
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Siljan, Norway
- Average wind speed in December: 14.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Siljan, Norway
- Average humidity in December: 84%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Siljan, Norway
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is November (85mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Siljan, Norway
- Average rainfall days in December: 9.7 days
The months with the highest number of rainy days are July and August (16.7 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Siljan, Norway
- Average snowfall in December: 192mm
The month with the highest snowfall is January (302mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siljan, Norway
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siljan, 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 24min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days in December
Siljan, Norway
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is April (17.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Siljan, 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
Siljan, Norway
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Siljan, Norway
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (8km).
