Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December's onset introduces a mild reduction in the average high-temperature, from a cold 4.8°C (40.6°F) in November to a still wintry 1.5°C (34.7°F). Sommen's nocturnal average in December closely mirrors its daytime temperatures, settling at a subzero cold -1.6°C (29.1°F).Humidity
The average relative humidity in December is 89%.Rainfall
In Sommen, in December, during 9.3 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, there are 139 rainfall days, and 358mm (14.09") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Sommen, in December, during 11 snowfall days, 80mm (3.15") of snow is typically accumulated. In Sommen, during the entire year, snow falls for 56.3 days and aggregates up to 424mm (16.69") of snow.Daylight
The month with the shortest days is December, with an average of 6h and 36min of daylight.On the first day of the month, sunrise is at 08:19 and sunset at 15:16. On the last day of December, sunrise is at 08:44 and sunset at 15:20 CET.
Sunshine
February and December, with an average of 3.1h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Enhance your sun protection with tightly woven, yet airy clothing. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Sommen in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Sommen?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What is the UV index intensity in December?
Average temperature in December
Sommen, Sweden
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is February (-3.5°C).
Average pressure in December
Sommen, Sweden
- Average pressure in December: 1008.9mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in December
Sommen, Sweden
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest months (with the lowest average wind speed) are May and July (12.2km/h).
Average humidity in December
Sommen, Sweden
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Sommen, Sweden
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Sommen, Sweden
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Sommen, Sweden
- Average snowfall in December: 80mm
The month with the highest snowfall is February (115mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sommen, Sweden
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sommen, Sweden
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are February and December (Average sunshine: 3h and 6min).
Average sunshine days in December
Sommen, Sweden
- Average sunshine days in December: 12 days
The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Sommen, Sweden
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Sommen, Sweden
- Average cloud cover in December: 69
The months with the most cloud cover are January, February and December (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility in December
Sommen, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
