December weather forecastKarby, Sweden
December
Weather in December
The first month of the winter, December, is still a cold month in Karby, Sweden, with an average temperature fluctuating between -2.1°C (28.2°F) and 1.5°C (34.7°F).Temperature
The transition to December results in a modest reduction in average high-temperature, moving from 4.9°C (40.8°F) in November to a still cold 1.5°C (34.7°F). With a barely noticeable fluctuation in temperature, Karby reaches an average low of -2.1°C (28.2°F) during the December nights.Humidity
The months with the highest humidity in Karby are January, February and December, with an average relative humidity of 88%.Rainfall
In Karby, in December, during 7.9 rainfall days, 18mm (0.71") of precipitation is typically accumulated. In Karby, Sweden, during the entire year, the rain falls for 113.4 days and collects up to 209mm (8.23") of precipitation.Snowfall
January through May, October through December are months with snowfall in Karby. In Karby, in December, snow falls for 8.1 days, with typically accumulated 33mm (1.3") of snow. In Karby, during the entire year, snow falls for 43 days and aggregates up to 179mm (7.05") of snow.Daylight
With an average of 6h and 12min of daylight, December has the shortest days of the year in Karby.On the first day of December, sunrise is at 08:19 and sunset at 14:54. On the last day of the month, sunrise is at 08:45 and sunset at 14:56 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.3h of sunshine.UV index
In December, the average daily maximum UV index in Karby is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Around midday, solar radiation is most harmful; hence, exposure should be limited. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. 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
Average temperature in December
Karby, Sweden
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in December: -2.1°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in December
Karby, Sweden
- Average pressure in December: 1007.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in December
Karby, Sweden
- Average wind speed in December: 17.7km/h
The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest months (with the lowest average wind speed) are July and August (12.1km/h).
Average humidity in December
Karby, 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 (71%).
Average rainfall in December
Karby, Sweden
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is July (29mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in December
Karby, Sweden
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is August (13.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Karby, Sweden
- Average snowfall in December: 33mm
The month with the highest snowfall is February (50mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Karby, Sweden
- Average snowfall days in December: 8.1 days
The months with the highest number of snowfall days are January and February (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Karby, 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 18min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in December
Karby, Sweden
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in December
Karby, 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
Karby, Sweden
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Karby, 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).
