December weather forecastKasnäs, Finland
December
Weather in December
The first month of the winter, December, is also a wintry month in Kasnäs, Finland, with temperature in the range of an average low of 0.6°C (33.1°F) and an average high of 2.8°C (37°F).Temperature
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a chilly 6°C (42.8°F) to a wintry 2.8°C (37°F). Kasnäs's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a still icy 0.6°C (33.1°F).Humidity
In December, the average relative humidity is 84%.Rainfall
In Kasnäs, in December, during 13.1 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Kasnäs, during the entire year, the rain falls for 146.1 days and collects up to 353mm (13.9") of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 9.6 days and typically aggregates up to 48mm (1.89") 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 09:05 and sunset at 15:33. On the last day of December, sunrise is at 09:31 and sunset at 15:35 EET.
Sunshine
The month with the least sunshine is December, with an average of 1.8h of sunshine.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kasnäs, Finland
- Average high temperature in December: 2.8°C
The warmest month (with the highest average high temperature) is August (18.3°C).
The month with the lowest average high temperature is February (-0.4°C).
- Average low temperature in December: 0.6°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (-3.2°C).
Average pressure in December
Kasnäs, Finland
- Average pressure in December: 1008.2mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed in December
Kasnäs, Finland
- Average wind speed in December: 31.4km/h
The windiest month (with the highest average wind speed) is December (31.4km/h).
The calmest month (with the lowest average wind speed) is May (18.8km/h).
Average humidity in December
Kasnäs, Finland
- Average humidity in December: 84%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Kasnäs, Finland
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Kasnäs, Finland
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Kasnäs, Finland
- Average snowfall in December: 48mm
The month with the highest snowfall is December (48mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Kasnäs, Finland
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kasnäs, Finland
- 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: 1h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in December
Kasnäs, Finland
- Average sunshine days in December: 7.2 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in December
Kasnäs, Finland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Kasnäs, Finland
- Average cloud cover in December: 74
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Kasnäs, Finland
- 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).
