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
December signifies a minor drop in average high-temperature, transitioning from a wintry 1.5°C (34.7°F) in November to a freezing cold -2.6°C (27.3°F). Vaajakoski reports an average low-temperature of -5.9°C (21.4°F) during the subtly cooler December nights.Humidity
In Vaajakoski, the average relative humidity in December is 94%.Rainfall
In Vaajakoski, in December, it is raining for 6 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, in Vaajakoski, Finland, there are 121.2 rainfall days, and 403mm (15.87") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. December is the month with the most snowfall. Snow falls for 19.3 days and accumulates 185mm (7.28") of snow.Daylight
December has the shortest days of the year in Vaajakoski, with an average of 5h and 18min of daylight.On the first day of the month, sunrise is at 09:13 and sunset at 14:58. On the last day of December, in Vaajakoski, Finland, sunrise is at 09:42 and sunset at 14:57 EET.
Sunshine
December has the least sunshine of the year in Vaajakoski, with an average of 0.8h of sunshine.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Vaajakoski in December?
What is the average humidity in December in Vaajakoski?
How much does it rain in Vaajakoski in December?
What is the snowiest month in Vaajakoski?
How many days does it snow in December in Vaajakoski?
What is the month with the shortest days in Vaajakoski?
How many hours of daylight does Vaajakoski have in December?
When are sunrise and sunset in December in Vaajakoski?
What is the month with the least sunshine in Vaajakoski?
How long on average sun shines in December in Vaajakoski?
What is the month with the lowest UV index in Vaajakoski?
What is the UV index reading in December in Vaajakoski?
Average temperature in December
Vaajakoski, Finland
- Average high temperature in December: -2.6°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-5.5°C).
- Average low temperature in December: -5.9°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-9.7°C).
Average pressure in December
Vaajakoski, Finland
- Average pressure in December: 1007.6mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in December
Vaajakoski, Finland
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).
Average humidity in December
Vaajakoski, Finland
- Average humidity in December: 94%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
Vaajakoski, Finland
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is July (50mm).
The driest months (with the least rainfall) are February and March (23mm).
Average rainfall days in December
Vaajakoski, Finland
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Vaajakoski, Finland
- Average snowfall in December: 185mm
The month with the highest snowfall is December (185mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Vaajakoski, Finland
- Average snowfall days in December: 19.3 days
The month with the highest number of snowfall days is December (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Vaajakoski, Finland
- Average daylight in December: 5h and 2min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in December: 0h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in December
Vaajakoski, Finland
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in December
Vaajakoski, 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
Vaajakoski, Finland
- Average cloud cover in December: 80
The month with the most cloud cover is January (Cloud cover 83).
The months with the least cloud cover are July and August (Cloud cover 45).
Average visibility in December
Vaajakoski, Finland
- Average visibility in December: 6km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
Vaajakoski, Finland
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