December weather forecastVirtasalmi, Finland
December
Weather in December
December, the first month of the winter in Virtasalmi, is also a subzero cold month, with an average temperature ranging between min -5.1°C (22.8°F) and max -2.1°C (28.2°F).Temperature
December's onset brings a negligible change in high-temperatures, falling from an icy 1.8°C (35.2°F) in November to a freezing cold -2.1°C (28.2°F). Virtasalmi maintains a near steady average temperature of -5.1°C (22.8°F) during the nights of December, demonstrating little drop from daytime highs.Humidity
The average relative humidity in December is 93%.Rainfall
In Virtasalmi, in December, during 6.6 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, in Virtasalmi, there are 125 rainfall days, and 408mm (16.06") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. December is the month with the most snowfall in Virtasalmi. Snow falls for 22.1 days and accumulates 236mm (9.29") of snow.Daylight
December has the shortest days of the year in Virtasalmi, with an average of 5h and 18min of daylight.On the first day of the month, sunrise is at 09:05 and sunset at 14:53. On the last day of December, sunrise is at 09:34 and sunset at 14:52 EET.
Sunshine
The month with the least sunshine is December, with an average of 0.8h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Virtasalmi. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. It's recommended to limit sun exposure when its radiation is at its peak during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Virtasalmi, Finland
- Average high temperature in December: -2.1°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (-5.3°C).
- Average low temperature in December: -5.1°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in December
Virtasalmi, Finland
- Average pressure in December: 1008.5mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in December
Virtasalmi, Finland
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity in December
Virtasalmi, Finland
- Average humidity in December: 93%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in December
Virtasalmi, Finland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Virtasalmi, Finland
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in December
Virtasalmi, Finland
- Average snowfall in December: 236mm
The month with the highest snowfall is December (236mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Virtasalmi, Finland
- Average snowfall days in December: 22.1 days
The month with the highest number of snowfall days is January (24.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Virtasalmi, Finland
- Average daylight in December: 5h and 18min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in December: 0h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in December
Virtasalmi, Finland
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is May (16 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in December
Virtasalmi, Finland
- 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, March, November and December (UV index 1).
Average cloud cover in December
Virtasalmi, Finland
- Average cloud cover in December: 81
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Virtasalmi, Finland
- Average visibility in December: 7km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
