December weather forecastRustberga, Sweden
December
Weather in December
December, the first month of the winter in Rustberga, is also a wintry month, with an average temperature varying between 0.5°C (32.9°F) and -3.1°C (26.4°F).Temperature
In December, the average high-temperature marginally decreases from 4.5°C (40.1°F) in November to a still icy 0.5°C (32.9°F). During the nights of December, Rustberga records an average low-temperature of -3.1°C (26.4°F), reflecting a modest decrease from daytime highs.Humidity
The average relative humidity in December is 89%.Rainfall
In Rustberga, in December, it is raining for 6.7 days, with typically 12mm (0.47") of accumulated precipitation. In Rustberga, Sweden, during the entire year, the rain falls for 105.3 days and collects up to 174mm (6.85") of precipitation.Snowfall
Months with snowfall in Rustberga, Sweden, are January through May, October through December. In Rustberga, during December, snow falls for 8.6 days and regularly aggregates up to 31mm (1.22") of snow. In Rustberga, during the entire year, snow falls for 41.1 days and aggregates up to 163mm (6.42") of snow.Daylight
The month with the shortest days is December, with an average of 6h and 6min of daylight.On the first day of the month, sunrise is at 08:27 and sunset at 14:59. On the last day of December, in Rustberga, sunrise is at 08:53 and sunset at 15:01 CET.
Sunshine
December has the least sunshine of the year in Rustberga, with an average of 2.5h of sunshine.UV index
In Rustberga, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rustberga, Sweden
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in December: -3.1°C
The month with the highest average low temperature is July (12.5°C).
The coldest months (with the lowest average low temperature) are January and February (-4.9°C).
Average pressure in December
Rustberga, Sweden
- Average pressure in December: 1007.7mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in December
Rustberga, Sweden
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Rustberga, Sweden
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Rustberga, Sweden
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is July (25mm).
The driest months (with the least rainfall) are February and April (9mm).
Average rainfall days in December
Rustberga, Sweden
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (4 days).
Average snowfall in December
Rustberga, Sweden
- Average snowfall in December: 31mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rustberga, Sweden
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (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
Rustberga, Sweden
- Average daylight in December: 6h and 6min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 2h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Rustberga, Sweden
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is July (14.4 days).
Average UV index in December
Rustberga, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Rustberga, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June and July (Cloud cover 42).
Average visibility in December
Rustberga, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
