December weather forecastSunne, Sweden
December
Weather in December
December, the first month of the winter in Sunne, is also a subzero cold month, with an average temperature varying between -4.1°C (24.6°F) and -0.7°C (30.7°F).Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a cold 3.4°C (38.1°F) in November to a freezing cold -0.7°C (30.7°F). Throughout December, a modest shift from daytime highs is anticipated in Sunne, with an average low-temperature of -4.1°C (24.6°F).Humidity
The average relative humidity in December is 90%.Rainfall
In Sunne, in December, it is raining for 10.3 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, in Sunne, Sweden, there are 154.2 rainfall days, and 526mm (20.71") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Sunne, during December, snow falls for 12.5 days and regularly aggregates up to 145mm (5.71") of snow. In Sunne, during the entire year, snow falls for 64.3 days and aggregates up to 759mm (29.88") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 6min of daylight.On the first day of December in Sunne, sunrise is at 08:41 and sunset at 15:11. On the last day of the month, sunrise is at 09:08 and sunset at 15:13 CET.
Sunshine
With an average of 2.9h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sunne, Sweden
- Average high temperature in December: -0.7°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in December: -4.1°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-6.3°C).
Average pressure in December
Sunne, Sweden
- Average pressure in December: 1007.9mbar
The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Sunne, Sweden
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is January (10.8km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in December
Sunne, Sweden
- Average humidity in December: 90%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Sunne, Sweden
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Sunne, Sweden
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Sunne, Sweden
- Average snowfall in December: 145mm
The month with the highest snowfall is January (183mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sunne, Sweden
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sunne, Sweden
- Average daylight in December: 6h and 6min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Sunne, Sweden
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in December
Sunne, Sweden
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Sunne, Sweden
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in December
Sunne, Sweden
- Average visibility in December: 7km
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January and February (6km).





