December weather forecastFlysta, Sweden
December
Weather in December
December, the first month of the winter in Flysta, is also a wintry month, with temperature in the range of an average high of 1.5°C (34.7°F) and an average low of -1.9°C (28.6°F).Temperature
The move into December indicates a slight reduction in the average high-temperature, down from November's cold 5°C (41°F) to a still icy 1.5°C (34.7°F). Flysta's nighttime temperatures in December reveal a minimal variation from the daytime highs, averaging at a freezing cold -1.9°C (28.6°F).Humidity
January and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In Flysta, during December, the rain falls for 9 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, in Flysta, Sweden, there are 133 rainfall days, and 295mm (11.61") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Flysta, Sweden, in December, snow falls for 9.5 days, with typically accumulated 56mm (2.2") of snow. Throughout the year, there are 49.2 snowfall days, and 269mm (10.59") of snow is accumulated.Daylight
The month with the shortest days in Flysta is December, with an average of 6h and 12min of daylight.On the first day of the month, sunrise is at 08:19 and sunset at 14:56. On the last day of December, in Flysta, sunrise is at 08:44 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 Flysta is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Flysta, Sweden
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in December
Flysta, 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
Flysta, Sweden
- Average wind speed in December: 18.4km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest months (with the lowest average wind speed) are July and August (12.5km/h).
Average humidity in December
Flysta, Sweden
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Flysta, Sweden
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Flysta, Sweden
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Flysta, Sweden
- Average snowfall in December: 56mm
The month with the highest snowfall is February (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Flysta, Sweden
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Flysta, 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
Flysta, Sweden
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is May (15.8 days).
The months with the least sunshine days are February and August (12.8 days).
Average UV index in December
Flysta, 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
Flysta, Sweden
- Average cloud cover in December: 66
The months with the most cloud cover are January, February and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Flysta, 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).





