December weather forecastVallsund, Sweden
December
Weather in December
The first month of the winter, December, is also a wintry month in Vallsund, Sweden, with an average temperature varying between 2.4°C (36.3°F) and -0.5°C (31.1°F).Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a wintry 5.7°C (42.3°F) in November to a still icy 2.4°C (36.3°F). The nights of December are characterized by an average low-temperature of -0.5°C (31.1°F), subtly descending from daytime highs.Humidity
January, February, November and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Vallsund, during December, the rain falls for 10.8 days and regularly aggregates up to 36mm (1.42") of precipitation. In Vallsund, during the entire year, the rain falls for 151 days and collects up to 419mm (16.5") of precipitation.Snowfall
January through May, October through December are months with snowfall in Vallsund. In Vallsund, in December, snow falls for 8.8 days, with typically accumulated 64mm (2.52") of snow. In Vallsund, during the entire year, snow falls for 48.2 days and aggregates up to 284mm (11.18") of snow.Daylight
With an average of 6h and 24min of daylight, December has the shortest days of the year in Vallsund, Sweden.On the first day of the month, sunrise is at 08:17 and sunset at 15:04. On the last day of December, sunrise is at 08:42 and sunset at 15:07 CET.
Sunshine
The month with the least sunshine is December, with an average of 3h of sunshine.UV index
In Vallsund, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vallsund, Sweden
- Average high temperature in December: 2.4°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is January (0.7°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (-2.2°C).
Average pressure in December
Vallsund, Sweden
- Average pressure in December: 1008.5mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in December
Vallsund, Sweden
- Average wind speed in December: 21.9km/h
The windiest month (with the highest average wind speed) is December (21.9km/h).
The calmest month (with the lowest average wind speed) is July (15.1km/h).
Average humidity in December
Vallsund, Sweden
- Average humidity in December: 86%
The months with the highest relative humidity are January, February, November and December (86%).
The months with the lowest relative humidity are May and June (75%).
Average rainfall in December
Vallsund, Sweden
- Average rainfall in December: 36mm
The wettest months (with the highest rainfall) are July and August (48mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Vallsund, Sweden
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Vallsund, Sweden
- Average snowfall in December: 64mm
The month with the highest snowfall is January (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Vallsund, Sweden
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Vallsund, Sweden
- Average daylight in December: 6h and 24min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Vallsund, Sweden
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Vallsund, 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
Vallsund, Sweden
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Vallsund, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).
