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 signifies a minor drop in average high-temperature, transitioning from 3.9°C (39°F) in November to a still cold 0.2°C (32.4°F). A mean low-temperature of -3.2°C (26.2°F) is a distinguishing feature of December, indicating a slight dip from daytime highs.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 90%.Rainfall
In Surahammar, during December, the rain falls for 9.3 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, there are 144.2 rainfall days, and 404mm (15.91") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Surahammar, in December, during 14.1 snowfall days, 132mm (5.2") of snow is typically accumulated. In Surahammar, during the entire year, snow falls for 66.8 days and aggregates up to 634mm (24.96") of snow.Daylight
With an average of 6h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:28 and sunset at 15:00. On the last day of December, sunrise is at 08:54 and sunset at 15:01 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.5h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the UV index intensity in December?
Average temperature in December
Surahammar, Sweden
- Average high temperature in December: 0.2°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in December: -3.2°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).
Average pressure in December
Surahammar, Sweden
- Average pressure in December: 1007.6mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in December
Surahammar, Sweden
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in December
Surahammar, Sweden
- Average humidity in December: 90%
The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Surahammar, Sweden
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Surahammar, Sweden
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Surahammar, Sweden
- Average snowfall in December: 132mm
The month with the highest snowfall is January (151mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Surahammar, Sweden
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Surahammar, Sweden
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 2h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Surahammar, Sweden
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Surahammar, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Surahammar, Sweden
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Surahammar, Sweden
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February and December (7km).
