Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As November makes way for December, Valkeakoski's average high-temperature eases from a wintry 2.5°C (36.5°F) to a subzero cold -1.7°C (28.9°F). The December nights show a slight decrease to a mean low-temperature of -4.8°C (23.4°F).Humidity
In December, the average relative humidity in Valkeakoski is 93%.Rainfall
In Valkeakoski, in December, during 4.9 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, in Valkeakoski, there are 114.5 rainfall days, and 256mm (10.08") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Valkeakoski, during December, snow falls for 15.1 days and regularly aggregates up to 84mm (3.31") of snow. Throughout the year, there are 85.3 snowfall days, and 453mm (17.83") of snow is accumulated.Daylight
With an average of 5h and 36min of daylight, December has the shortest days of the year in Valkeakoski.On the first day of December, sunrise is at 09:10 and sunset at 15:15. On the last day of the month, sunrise is at 09:38 and sunset at 15:15 EET.
Sunshine
With an average of 1.6h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Valkeakoski. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 1 transforms into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is December in Valkeakoski?
What is the average humidity in December in Valkeakoski?
How much does it rain in Valkeakoski in December?
How many days does it snow in December in Valkeakoski?
What is the month with the shortest days in Valkeakoski?
What is the average length of the day in December in Valkeakoski?
What time are sunrise and sunset in December in Valkeakoski?
What is the month with the least sunshine in Valkeakoski?
How long on average sun shines in December in Valkeakoski?
When is the lowest UV index in Valkeakoski?
How high is the UV index in December in Valkeakoski?
Average temperature in December
Valkeakoski, 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
Valkeakoski, 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
Valkeakoski, 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
Valkeakoski, 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
Valkeakoski, 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
Valkeakoski, 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
Valkeakoski, 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
Valkeakoski, 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
Valkeakoski, Finland
- Average daylight in December: 5h and 4min
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 4min
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
Valkeakoski, 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
Valkeakoski, 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
Valkeakoski, 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
Valkeakoski, 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).
Valkeakoski, Finland
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