December weather forecastGrimsta, Sweden
December
Weather in December
December, the first month of the winter in Grimsta, is also a wintry month, with an average temperature varying between -0.3°C (31.5°F) and 2.6°C (36.7°F).Temperature
The advent of December brings a slight shift in average high-temperature, moving from an icy 5.9°C (42.6°F) in November to a still wintry 2.6°C (36.7°F). Grimsta maintains a consistent average nighttime low-temperature of -0.3°C (31.5°F) throughout December.Humidity
January, February, November and December, with an average relative humidity of 85%, are the most humid months in Grimsta.Rainfall
In Grimsta, during December, the rain falls for 10.5 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 138.3 rainfall days, and 361mm (14.21") of precipitation is accumulated.Snowfall
Months with snowfall in Grimsta, Sweden, are January through May, October through December. In December, it is snowing for 8.2 days. Throughout December, 43mm (1.69") of snow is accumulated. In Grimsta, during the entire year, snow falls for 42.4 days and aggregates up to 227mm (8.94") of snow.Daylight
With an average of 6h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:16 and sunset at 14:59. On the last day of December, sunrise is at 08:42 and sunset at 15:02 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.4h of sunshine.UV index
In December, the average daily maximum UV index in Grimsta is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. 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
Grimsta, Sweden
- Average high temperature in December: 2.6°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is January (0.7°C).
- Average low temperature in December: -0.3°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in December
Grimsta, Sweden
- Average pressure in December: 1008.3mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in December
Grimsta, Sweden
- Average wind speed in December: 24.1km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is July (16km/h).
Average humidity in December
Grimsta, Sweden
- Average humidity in December: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Grimsta, Sweden
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Grimsta, Sweden
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
Grimsta, Sweden
- Average snowfall in December: 43mm
The month with the highest snowfall is February (70mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grimsta, Sweden
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grimsta, Sweden
- Average daylight in December: 6h and 18min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Grimsta, Sweden
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is April (17 days).
The month with the least sunshine days is December (12.1 days).
Average UV index in December
Grimsta, 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 and February (UV index 1).
Average cloud cover in December
Grimsta, Sweden
- Average cloud cover in December: 66
The months with the most cloud cover are January, February and December (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Grimsta, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
