December weather forecastGråbo, Sweden
December
Weather in December
December, the first month of the winter in Gråbo, is also an icy month, with an average temperature ranging between min -0.7°C (30.7°F) and max 2.5°C (36.5°F).Temperature
A moderate decline in average high-temperatures is noted in December, moving from a chilly 6°C (42.8°F) in November to a cold 2.5°C (36.5°F). Gråbo observes a slightly reduced average nighttime temperature of -0.7°C (30.7°F) during December.Humidity
The months with the highest humidity in Gråbo are January, February and December, with an average relative humidity of 89%.Rainfall
In Gråbo, in December, it is raining for 15 days, with typically 51mm (2.01") of accumulated precipitation. In Gråbo, during the entire year, the rain falls for 172.1 days and collects up to 500mm (19.69") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Gråbo, in December, during 6.2 snowfall days, 56mm (2.2") of snow is typically accumulated. In Gråbo, during the entire year, snow falls for 34.3 days and aggregates up to 267mm (10.51") of snow.Daylight
The month with the shortest days is December, with an average of 6h and 36min of daylight.On the first day of the month, sunrise is at 08:30 and sunset at 15:29. On the last day of December, sunrise is at 08:54 and sunset at 15:33 CET.
Sunshine
In December, the average sunshine is 3.5h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Gråbo, Sweden. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gråbo, Sweden
- Average high temperature in December: 2.5°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 (0.8°C).
- Average low temperature in December: -0.7°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.7°C).
Average pressure in December
Gråbo, 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
Gråbo, Sweden
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in December
Gråbo, Sweden
- Average humidity in December: 89%
The months with the highest relative humidity are January, February and December (89%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in December
Gråbo, Sweden
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is August (57mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Gråbo, Sweden
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is August (19.6 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in December
Gråbo, Sweden
- Average snowfall in December: 56mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gråbo, Sweden
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gråbo, Sweden
- Average daylight in December: 6h and 36min
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 36min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in December
Gråbo, Sweden
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is August (9.2 days).
Average UV index in December
Gråbo, Sweden
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Gråbo, Sweden
- Average cloud cover in December: 66
The months with the most cloud cover are February, November and December (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in December
Gråbo, Sweden
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).





