December weather forecastKalvsund, Sweden
December
Weather in December
The first month of the winter, December, is also an icy month in Kalvsund, Sweden, with an average temperature ranging between max 4.5°C (40.1°F) and min 2.2°C (36°F).Temperature
The transition from November to December sees average high-temperatures adjusting to an icy 4.5°C (40.1°F), from a not significantly different 7.4°C (45.3°F). A steady low-temperature average of 2.2°C (36°F) is logged in Kalvsund during December, reflecting a modest dip from daytime readings.Humidity
In Kalvsund, the average relative humidity in December is 83%.Rainfall
In December, in Kalvsund, the rain falls for 11.5 days. Throughout December, 17mm (0.67") of precipitation is accumulated. In Kalvsund, Sweden, during the entire year, the rain falls for 123.7 days and collects up to 186mm (7.32") of precipitation.Snowfall
Months with snowfall in Kalvsund are January through March, November and December. In Kalvsund, during December, snow falls for 3 days and regularly aggregates up to 6mm (0.24") of snow. Throughout the year, in Kalvsund, Sweden, there are 19 snowfall days, and 32mm (1.26") of snow is accumulated.Daylight
With an average of 6h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:31 and sunset at 15:33. On the last day of December, in Kalvsund, sunrise is at 08:56 and sunset at 15:36 CET.
Sunshine
The average sunshine in December is 3.9h.UV index
The months with the lowest UV index in Kalvsund are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kalvsund, Sweden
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in December
Kalvsund, Sweden
- Average pressure in December: 1008.8mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in December
Kalvsund, Sweden
- Average wind speed in December: 27km/h
The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is June (18.4km/h).
Average humidity in December
Kalvsund, Sweden
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Kalvsund, Sweden
- Average rainfall in December: 17mm
The wettest month (with the highest rainfall) is August (21mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in December
Kalvsund, Sweden
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is August (13.6 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Kalvsund, Sweden
- Average snowfall in December: 6mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Kalvsund, Sweden
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Kalvsund, Sweden
- Average daylight in December: 6h and 42min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January, February and November (Average sunshine: 3h and 42min).
Average sunshine days in December
Kalvsund, Sweden
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is March (19.8 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in December
Kalvsund, Sweden
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Kalvsund, Sweden
- Average cloud cover in December: 61
The months with the most cloud cover are February and November (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in December
Kalvsund, Sweden
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
