December weather forecastNär, Sweden
December
Weather in December
The first month of the winter, December, is still a cold month in När, Sweden, with temperature in the range of an average high of 4.2°C (39.6°F) and an average low of 2°C (35.6°F).Temperature
December reveals a small adjustment in temperature, transitioning from an average high of a chilly 7.4°C (45.3°F) in November to a wintry 4.2°C (39.6°F). In När, December's low temperatures hover around 2°C (35.6°F), reflecting a minor decrease from the daytime highs.Humidity
In December, the average relative humidity is 83%.Rainfall
In När, in December, during 13.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 128.4 rainfall days, and 290mm (11.42") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In När, in December, snow falls for 7.3 days, with typically accumulated 27mm (1.06") of snow. In När, during the entire year, snow falls for 37.6 days and aggregates up to 156mm (6.14") of snow.Daylight
December has the shortest days of the year in När, with an average of 6h and 48min of daylight.On the first day of December, sunrise is at 08:00 and sunset at 15:08. On the last day of the month, sunrise is at 08:25 and sunset at 15:12 CET.
Sunshine
January and December, with an average of 2.8h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in December in När, Sweden, is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
När, Sweden
- Average high temperature in December: 4.2°C
The warmest months (with the highest average high temperature) are July and August (18.8°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in December
När, Sweden
- Average pressure in December: 1009.5mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).
Average wind speed in December
När, Sweden
- Average wind speed in December: 27.4km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is May (17.8km/h).
Average humidity in December
När, Sweden
- Average humidity in December: 83%
The month with the highest relative humidity is November (84%).
The months with the lowest relative humidity are June and August (77%).
Average rainfall in December
När, Sweden
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is July (33mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in December
När, Sweden
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is November (14 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
När, Sweden
- Average snowfall in December: 27mm
The month with the highest snowfall is February (46mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
När, Sweden
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
När, Sweden
- Average daylight in December: 6h and 48min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 2h and 48min).
Average sunshine days in December
När, Sweden
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is April (20.3 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in December
När, Sweden
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
När, Sweden
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in December
När, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
