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
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a wintry 0.5°C (32.9°F) in November to a subzero cold -2.5°C (27.5°F). December nights in Vännäsby document an average temperature reading of -6.3°C (20.7°F).Humidity
The average relative humidity in December is 92%.Rainfall
The month with the most rainfall is December, when the rain falls for 6.8 days and typically aggregates up to 47mm (1.85") of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall in Vännäsby is December, when snow falls for 16.7 days and typically aggregates up to 259mm (10.2") of snow.Daylight
December has the shortest days of the year in Vännäsby, Sweden, with an average of 4h and 30min of daylight.On the first day of December in Vännäsby, sunrise is at 08:56 and sunset at 14:02. On the last day of the month, sunrise is at 09:28 and sunset at 13:58 CET.
Sunshine
The month with the least sunshine in Vännäsby is December, with an average of 1.4h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Vännäsby?
What is the average humidity in December in Vännäsby?
What is the wettest month in Vännäsby?
How many days does it rain in December in Vännäsby?
What is the snowiest month in Vännäsby?
How much does it snow in Vännäsby in December?
What is the month with the shortest days in Vännäsby?
What is the average length of the day in December in Vännäsby?
When is the sunrise / sunset in December in Vännäsby?
What is the month with the least sunshine in Vännäsby?
How many hours of sunshine does Vännäsby have in December?
When is the lowest UV index in Vännäsby?
What is the UV index intensity in December in Vännäsby?
Average temperature in December
Vännäsby, Sweden
- Average high temperature in December: -2.5°C
The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in December: -6.3°C
The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is February (-9.6°C).
Average pressure in December
Vännäsby, Sweden
- Average pressure in December: 1005.3mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.3mbar).
Average wind speed in December
Vännäsby, Sweden
- Average wind speed in December: 12.4km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Vännäsby, Sweden
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is June (66%).
Average rainfall in December
Vännäsby, Sweden
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Vännäsby, Sweden
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Vännäsby, Sweden
- Average snowfall in December: 259mm
The month with the highest snowfall is December (259mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Vännäsby, Sweden
- Average snowfall days in December: 16.7 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Vännäsby, Sweden
- Average daylight in December: 4h and 3min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in December: 1h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in December
Vännäsby, Sweden
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is July (15.9 days).
The months with the least sunshine days are February and April (10.8 days).
Average UV index in December
Vännäsby, Sweden
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Vännäsby, Sweden
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Vännäsby, Sweden
- Average visibility in December: 7km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).
Vännäsby, Sweden
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