Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The shift into December reveals an average high-temperature of a cold 4.5°C (40.1°F), closely mirroring November's climate. The December average low temperature, marginally lower than the daytime high, records at 2.2°C (36°F).Humidity
The average relative humidity in December is 83%.Rainfall
In Grötö, during December, the rain falls for 11.5 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 123.7 rainfall days, and 186mm (7.32") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Grötö, during December, snow falls for 3 days and regularly aggregates up to 6mm (0.24") of snow. In Grötö, during the entire year, snow falls for 19 days and aggregates up to 32mm (1.26") of snow.Daylight
With an average of 6h and 42min of daylight, December has the shortest days of the year in Grötö.On the first day of December, sunrise is at 08:31 and sunset at 15:33. On the last day of the month, 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 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 exposure to the Sun's UV radiation for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Grötö have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Grötö, 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
Grötö, 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
Grötö, 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
Grötö, 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
Grötö, 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
Grötö, 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
Grötö, 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
Grötö, 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
Grötö, Sweden
- Average daylight in December: 6h and 4min
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 5min
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
Grötö, 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
Grötö, 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
Grötö, 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
Grötö, 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).
