December weather forecastHällsvik, Sweden
December
Weather in December
December, the first month of the winter in Hällsvik, is also a wintry month, with temperature in the range of an average high of 4.5°C (40.1°F) and an average low of 2.2°C (36°F).Temperature
The commencement of December records an average high-temperature of an icy 4.5°C (40.1°F), barely varying from November's 7.4°C (45.3°F). Hällsvik, in December, registers a nighttime average temperature of 2.2°C (36°F).Humidity
The average relative humidity in December in Hällsvik is 83%.Rainfall
In Hällsvik, during December, the rain falls for 11.5 days and regularly aggregates up to 17mm (0.67") of precipitation. In Hällsvik, during the entire year, the rain falls for 123.7 days and collects up to 186mm (7.32") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Hällsvik, during December, snow falls for 3 days and regularly aggregates up to 6mm (0.24") of snow. Throughout the year, in Hällsvik, there are 19 snowfall days, and 32mm (1.26") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 6h and 42min of daylight.On the first day of the month, sunrise is at 08:31 and sunset at 15:32. On the last day of December, in Hällsvik, sunrise is at 08:56 and sunset at 15:36 CET.
Sunshine
The average sunshine in December is 3.9h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hällsvik, Sweden
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in December
Hällsvik, Sweden
- Average pressure in December: 1008.8mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in December
Hällsvik, Sweden
- Average wind speed in December: 27km/h
The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is June (18.4km/h).
Average humidity in December
Hällsvik, Sweden
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Hällsvik, Sweden
- Average rainfall in December: 17mm
The wettest month (with the highest rainfall) is August (21mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in December
Hällsvik, Sweden
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is August (13.6 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Hällsvik, Sweden
- Average snowfall in December: 6mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Hällsvik, Sweden
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Hällsvik, Sweden
- Average daylight in December: 6h and 42min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January, February and November (Average sunshine: 3h and 42min).
Average sunshine days in December
Hällsvik, Sweden
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is March (19.8 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in December
Hällsvik, Sweden
- 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
Hällsvik, Sweden
- Average cloud cover in December: 61
The months with the most cloud cover are February and November (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in December
Hällsvik, Sweden
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





