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
Weather in December
Temperature
In Valsta, the average high-temperature in December slightly decreases from an icy 4.7°C (40.5°F) in November to a still wintry 1.1°C (34°F). Valsta's nighttime temperature in December shows a minor descent, with a steady average of -2.5°C (27.5°F).Humidity
The months with the highest humidity in Valsta are January, February and December, with an average relative humidity of 90%.Rainfall
In Valsta, in December, it is raining for 9.8 days, with typically 32mm (1.26") of accumulated precipitation. In Valsta, during the entire year, the rain falls for 144.9 days and collects up to 400mm (15.75") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Valsta, Sweden, during December, snow falls for 10.9 days and regularly aggregates up to 102mm (4.02") of snow. In Valsta, during the entire year, snow falls for 53 days and aggregates up to 497mm (19.57") of snow.Daylight
December has the shortest days of the year in Valsta, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 08:26 and sunset at 15:07. On the last day of December, sunrise is at 08:52 and sunset at 15:09 CET.
Sunshine
With an average of 3h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Valsta in December?
What is the most humid month in Valsta?
What is the average humidity in December in Valsta?
How many days does it rain in December in Valsta?
How many days does it snow in December in Valsta?
What is the month with the shortest days in Valsta?
What is the average length of the day in December in Valsta?
When is the sunrise / sunset in December in Valsta?
What is the month with the least sunshine in Valsta?
How many hours of sunshine does Valsta have in December?
What is the UV index intensity in December in Valsta?
Average temperature in December
Valsta, Sweden
- Average high temperature in December: 1.1°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-4.4°C).
Average pressure in December
Valsta, Sweden
- Average pressure in December: 1008.2mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed in December
Valsta, Sweden
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in December
Valsta, 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
Valsta, Sweden
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Valsta, Sweden
- Average rainfall days in December: 9.8 days
The months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
Valsta, Sweden
- Average snowfall in December: 102mm
The month with the highest snowfall is January (121mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Valsta, Sweden
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Valsta, Sweden
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Valsta, Sweden
- Average sunshine days in December: 12.4 days
The months with the most sunshine days are March and April (15.6 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in December
Valsta, 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
Valsta, Sweden
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are June and August (Cloud cover 42).
Average visibility in December
Valsta, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August and September (9km).
The months with the lowest visibility are January and February (7km).
Valsta, Sweden
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