December weather forecastÄetsä, Finland
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Äetsä, Finland, with an average temperature fluctuating between -4.8°C (23.4°F) and -1.7°C (28.9°F).Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from a wintry 2.5°C (36.5°F) in November to a subzero cold -1.7°C (28.9°F). Äetsä reports an average low temperature of -4.8°C (23.4°F) in December, a minor decrease from the day's highs.Humidity
The average relative humidity in December in Äetsä is 93%.Rainfall
In Äetsä, during December, the rain falls for 4.9 days and regularly aggregates up to 19mm (0.75") of precipitation. In Äetsä, during the entire year, the rain falls for 114.5 days and collects up to 256mm (10.08") of precipitation.Snowfall
Months with snowfall in Äetsä are January through May, October through December. In Äetsä, in December, snow falls for 15.1 days, with typically accumulated 84mm (3.31") of snow. In Äetsä, during the entire year, snow falls for 85.3 days and aggregates up to 453mm (17.83") of snow.Daylight
December has the shortest days of the year in Äetsä, with an average of 5h and 36min of daylight.On the first day of the month, sunrise is at 09:16 and sunset at 15:20. On the last day of December, in Äetsä, sunrise is at 09:44 and sunset at 15:20 EET.
Sunshine
December has the least sunshine of the year, with an average of 1.6h 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 Äetsä. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Äetsä, Finland
- Average high temperature in December: -1.7°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in December: -4.8°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is January (-8.4°C).
Average pressure in December
Äetsä, Finland
- Average pressure in December: 1007.5mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).
Average wind speed in December
Äetsä, Finland
- Average wind speed in December: 12.6km/h
The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in December
Äetsä, Finland
- Average humidity in December: 93%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in December
Äetsä, Finland
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is July (37mm).
The driest months (with the least rainfall) are March and April (16mm).
Average rainfall days in December
Äetsä, Finland
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Äetsä, Finland
- Average snowfall in December: 84mm
The months with the highest snowfall are January, February and March (86mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Äetsä, Finland
- Average snowfall days in December: 15.1 days
The month with the highest number of snowfall days is March (17.8 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Äetsä, Finland
- Average daylight in December: 5h and 36min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in December: 1h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in December
Äetsä, Finland
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in December
Äetsä, 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
Äetsä, Finland
- Average cloud cover in December: 76
The month with the most cloud cover is February (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 44).
Average visibility in December
Äetsä, 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, February and March (6km).
