December weather forecastKoskenpää, Finland
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Koskenpää, Finland, with an average temperature varying between -5.2°C (22.6°F) and -2°C (28.4°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°C (28.4°F). Recording a slight decline in temperature during the nights, Koskenpää's December temperatures average at -5.2°C (22.6°F).Humidity
In December, the average relative humidity in Koskenpää is 93%.Rainfall
In Koskenpää, in December, it is raining for 7.3 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Koskenpää, there are 125.3 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 20 days and typically aggregates up to 202mm (7.95") of snow.Daylight
With an average of 5h and 18min of daylight, December has the shortest days of the year in Koskenpää, Finland.On the first day of December, sunrise is at 09:14 and sunset at 15:02. On the last day of the month, sunrise is at 09:43 and sunset at 15:01 EET.
Sunshine
With an average of 0.9h of sunshine, December has the least sunshine of the year in Koskenpää, Finland.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 1 in December translates into these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Koskenpää, Finland
- Average high temperature in December: -2°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-4.9°C).
- Average low temperature in December: -5.2°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in December
Koskenpää, Finland
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Koskenpää, Finland
- Average wind speed in December: 13.1km/h
The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in December
Koskenpää, 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 (67%).
Average rainfall in December
Koskenpää, Finland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Koskenpää, Finland
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Koskenpää, Finland
- Average snowfall in December: 202mm
The month with the highest snowfall is December (202mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Koskenpää, Finland
- Average snowfall days in December: 20 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Koskenpää, 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 54min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in December
Koskenpää, Finland
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in December
Koskenpää, Finland
- Average UV index in December: 1
The month with the highest UV index is 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
Koskenpää, Finland
- Average cloud cover in December: 79
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in December
Koskenpää, 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).
