December weather forecastGrästorp, Sweden
December
Weather in December
The first month of the winter, December, is also a wintry month in Grästorp, Sweden, with an average temperature fluctuating between -1.3°C (29.7°F) and 2.2°C (36°F).Temperature
In Grästorp, entering December brings a subtle temperature decrement, reducing from November's 5.5°C (41.9°F) to a still wintry 2.2°C (36°F). In December, a low-temperature average of -1.3°C (29.7°F) is characteristic of Grästorp, marking a minor shift from daytime temperatures.Humidity
January, February, November and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In Grästorp, during December, the rain falls for 12.5 days and regularly aggregates up to 33mm (1.3") of precipitation. In Grästorp, during the entire year, the rain falls for 156.1 days and collects up to 409mm (16.1") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 8.5 days. Throughout December, 49mm (1.93") of snow is accumulated. Throughout the year, in Grästorp, there are 43.6 snowfall days, and 256mm (10.08") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 6h and 30min of daylight.On the first day of the month, sunrise is at 08:32 and sunset at 15:24. On the last day of December, sunrise is at 08:57 and sunset at 15:27 CET.
Sunshine
In December, the average sunshine in Grästorp is 3.5h.UV index
In Grästorp, 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 radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grästorp, Sweden
- Average high temperature in December: 2.2°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (-3.1°C).
Average pressure in December
Grästorp, Sweden
- Average pressure in December: 1008.5mbar
The months with the highest atmospheric pressure are April and May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in December
Grästorp, Sweden
- Average wind speed in December: 16.3km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).
Average humidity in December
Grästorp, Sweden
- Average humidity in December: 88%
The months with the highest relative humidity are January, February, November and December (88%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Grästorp, Sweden
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is June (48mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Grästorp, Sweden
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Grästorp, Sweden
- Average snowfall in December: 49mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grästorp, Sweden
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grästorp, Sweden
- Average daylight in December: 6h and 30min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Grästorp, Sweden
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is April (16.7 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in December
Grästorp, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Grästorp, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June and July (Cloud cover 41).
Average visibility in December
Grästorp, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March and December (8km).





