December weather forecastFinnhällan, Sweden
December
Weather in December
December, the first month of the winter in Finnhällan, is also a subzero cold month, with an average temperature ranging between max -1.9°C (28.6°F) and min -5.1°C (22.8°F).Temperature
The onset of December is marked by a minor decrease in temperature, transitioning from a wintry 1.2°C (34.2°F) in November to a freezing cold -1.9°C (28.6°F). Nighttime, during December, brings an average low of -5.1°C (22.8°F), a modest reduction from the day's peak.Humidity
In December, the average relative humidity is 89%.Rainfall
In Finnhällan, during December, the rain falls for 6.5 days and regularly aggregates up to 22mm (0.87") of precipitation. In Finnhällan, during the entire year, the rain falls for 99.9 days and collects up to 252mm (9.92") of precipitation.Snowfall
Months with snowfall in Finnhällan are January through May, October through December. In December, it is snowing for 13.5 days. Throughout December, 98mm (3.86") of snow is accumulated. In Finnhällan, during the entire year, snow falls for 77.3 days and aggregates up to 575mm (22.64") of snow.Daylight
The month with the shortest days is December, with an average of 4h and 0min of daylight.On the first day of December in Finnhällan, Sweden, sunrise is at 09:02 and sunset at 13:45. On the last day of the month, sunrise is at 09:37 and sunset at 13:38 CET.
Sunshine
With an average of 1.4h of sunshine, December has the least sunshine of the year in Finnhällan.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Finnhällan. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Finnhällan, Sweden
- Average high temperature in December: -1.9°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in December: -5.1°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).
Average pressure in December
Finnhällan, Sweden
- Average pressure in December: 1005mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1005mbar).
Average wind speed in December
Finnhällan, Sweden
- Average wind speed in December: 14.6km/h
The windiest month (with the highest average wind speed) is December (14.6km/h).
The calmest month (with the lowest average wind speed) is July (11.2km/h).
Average humidity in December
Finnhällan, Sweden
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is June (65%).
Average rainfall in December
Finnhällan, Sweden
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in December
Finnhällan, Sweden
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is January (3 days).
Average snowfall in December
Finnhällan, Sweden
- Average snowfall in December: 98mm
The months with the highest snowfall are January and March (107mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Finnhällan, Sweden
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Finnhällan, Sweden
- Average daylight in December: 4h and 0min
The month with the longest days is June (Average daylight: 21h and 24min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in December: 1h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in December
Finnhällan, Sweden
- Average sunshine days in December: 12.9 days
The months with the most sunshine days are June and October (17.8 days).
The month with the least sunshine days is December (12.9 days).
Average UV index in December
Finnhällan, Sweden
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Finnhällan, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Finnhällan, Sweden
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (7km).
