December weather forecastVällingby, Sweden
December
Weather in December
December, the first month of the winter in Vällingby, is also an icy month, with an average temperature ranging between min -2.1°C (28.2°F) and max 1.5°C (34.7°F).Temperature
Vällingby's progression into December involves a gentle drop in the average high-temperature, from an icy 5°C (41°F) in November to a still wintry 1.5°C (34.7°F). Recording a slight decline in temperature during the nights, Vällingby's December temperatures average at a freezing cold -2.1°C (28.2°F).Humidity
January, February and December, with an average relative humidity of 88%, are the most humid months in Vällingby.Rainfall
In Vällingby, in December, it is raining for 8 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, in Vällingby, there are 133.7 rainfall days, and 340mm (13.39") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Vällingby. In Vällingby, in December, snow falls for 9.4 days, with typically accumulated 63mm (2.48") of snow. In Vällingby, during the entire year, snow falls for 45.6 days and aggregates up to 310mm (12.2") of snow.Daylight
With an average of 6h and 12min of daylight, December has the shortest days of the year in Vällingby.On the first day of December in Vällingby, sunrise is at 08:19 and sunset at 14:56. On the last day of the month, sunrise is at 08:45 and sunset at 14:58 CET.
Sunshine
The month with the least sunshine is December, with an average of 2.5h of sunshine.UV index
The average daily maximum UV index in December in Vällingby, Sweden, is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vällingby, Sweden
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in December: -2.1°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in December
Vällingby, Sweden
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Vällingby, Sweden
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).
Average humidity in December
Vällingby, Sweden
- Average humidity in December: 88%
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Vällingby, Sweden
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Vällingby, Sweden
- Average rainfall days in December: 8 days
The months with the highest number of rainy days are July and August (15.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Vällingby, Sweden
- Average snowfall in December: 63mm
The month with the highest snowfall is February (86mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Vällingby, Sweden
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Vällingby, Sweden
- Average daylight in December: 6h and 12min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 2h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Vällingby, Sweden
- Average sunshine days in December: 13 days
The month with the most sunshine days is May (17.9 days).
The months with the least sunshine days are July and November (12.5 days).
Average UV index in December
Vällingby, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Vällingby, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Vällingby, Sweden
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
