December weather forecastGräsö, Sweden
December
Weather in December
The first month of the winter, December, is also an icy month in Gräsö, Sweden, with temperature in the range of an average high of 2.1°C (35.8°F) and an average low of -0.5°C (31.1°F).Temperature
December brings a minor shift in the average high-temperature, adjusting from a cold 5.5°C (41.9°F) in November to a still icy 2.1°C (35.8°F). In Gräsö, December nights maintain a consistent temperature, with an average low of -0.5°C (31.1°F).Humidity
In Gräsö, the average relative humidity in December is 84%.Rainfall
In Gräsö, during December, the rain falls for 9.2 days and regularly aggregates up to 29mm (1.14") of precipitation. In Gräsö, during the entire year, the rain falls for 132.8 days and collects up to 348mm (13.7") of precipitation.Snowfall
January through May, October through December are months with snowfall in Gräsö, Sweden. In Gräsö, during December, snow falls for 10.1 days and regularly aggregates up to 51mm (2.01") of snow. In Gräsö, during the entire year, snow falls for 46.3 days and aggregates up to 244mm (9.61") of snow.Daylight
The month with the shortest days is December, with an average of 5h and 54min of daylight.On the first day of December, sunrise is at 08:24 and sunset at 14:45. On the last day of the month, sunrise is at 08:51 and sunset at 14:46 CET.
Sunshine
The month with the least sunshine in Gräsö is December, with an average of 2.5h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gräsö, Sweden
- Average high temperature in December: 2.1°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (0.1°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (-2.5°C).
Average pressure in December
Gräsö, Sweden
- Average pressure in December: 1007.1mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.1mbar).
Average wind speed in December
Gräsö, Sweden
- Average wind speed in December: 24.3km/h
The windiest month (with the highest average wind speed) is December (24.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in December
Gräsö, Sweden
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Gräsö, Sweden
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Gräsö, Sweden
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Gräsö, Sweden
- Average snowfall in December: 51mm
The month with the highest snowfall is March (65mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gräsö, Sweden
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gräsö, Sweden
- Average daylight in December: 5h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 2h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Gräsö, Sweden
- Average sunshine days in December: 11.5 days
The months with the most sunshine days are April and May (16.3 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in December
Gräsö, 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
Gräsö, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Gräsö, Sweden
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
