December weather forecastGränby, Sweden
December
Weather in December
The first month of the winter, December, is also an icy month in Gränby, Sweden, with an average temperature ranging between min -2°C (28.4°F) and max 1.5°C (34.7°F).Temperature
December's arrival aligns with a minor decrease in average high-temperatures, from November's icy 4.9°C (40.8°F) to a still cold 1.5°C (34.7°F). Nights in December cool down, indicating a minor disparity from daytime highs with an average low-temperature of -2°C (28.4°F).Humidity
January, February and December, with an average relative humidity of 88%, are the most humid months in Gränby.Rainfall
In December, in Gränby, Sweden, the rain falls for 9.5 days. Throughout December, 34mm (1.34") of precipitation is accumulated. In Gränby, during the entire year, the rain falls for 147.2 days and collects up to 402mm (15.83") of precipitation.Snowfall
Months with snowfall in Gränby are January through May, October through December. In December, in Gränby, Sweden, it is snowing for 11.1 days. Throughout December, 82mm (3.23") of snow is accumulated. In Gränby, during the entire year, snow falls for 54.7 days and aggregates up to 401mm (15.79") of snow.Daylight
The month with the shortest days in Gränby is December, with an average of 6h and 6min of daylight.On the first day of December in Gränby, sunrise is at 08:22 and sunset at 14:51. On the last day of the month, sunrise is at 08:48 and sunset at 14:52 CET.
Sunshine
The month with the least sunshine is December, with an average of 2.4h of sunshine.UV index
In Gränby, 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 rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. 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 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
Gränby, Sweden
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in December: -2°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in December
Gränby, Sweden
- Average pressure in December: 1007.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in December
Gränby, Sweden
- Average wind speed in December: 17.7km/h
The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest months (with the lowest average wind speed) are July and August (12.2km/h).
Average humidity in December
Gränby, Sweden
- Average humidity in December: 88%
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Gränby, Sweden
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Gränby, Sweden
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Gränby, Sweden
- Average snowfall in December: 82mm
The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gränby, Sweden
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gränby, Sweden
- Average daylight in December: 6h and 6min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Gränby, Sweden
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in December
Gränby, 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
Gränby, Sweden
- Average cloud cover in December: 66
The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Gränby, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and March (8km).
