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
December
Weather in December
Temperature
With the arrival of December, Kalvola experiences a modest decline in average high-temperatures, transitioning from a cold 2.3°C (36.1°F) in November to a subzero cold -1.5°C (29.3°F). Kalvola maintains a near steady average temperature of -4.8°C (23.4°F) during the nights of December, demonstrating little drop from daytime highs.Humidity
In Kalvola, the average relative humidity in December is 93%.Rainfall
In Kalvola, Finland, in December, during 7.1 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Kalvola, during the entire year, the rain falls for 128.9 days and collects up to 399mm (15.71") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Kalvola, it is snowing for 16.5 days. Throughout December, 143mm (5.63") of snow is accumulated. Throughout the year, there are 90.6 snowfall days, and 766mm (30.16") of snow is accumulated.Daylight
December has the shortest days of the year in Kalvola, with an average of 5h and 42min of daylight.On the first day of December in Kalvola, sunrise is at 09:08 and sunset at 15:16. On the last day of the month, sunrise is at 09:36 and sunset at 15:16 EET.
Sunshine
With an average of 1.5h 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. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Kalvola in December?
What is the average humidity in December in Kalvola?
How much does it rain in Kalvola in December?
How many days does it snow in December in Kalvola?
What is the month with the shortest days in Kalvola?
What is the average length of the day in December in Kalvola?
What time are sunrise and sunset in December in Kalvola?
What is the month with the least sunshine in Kalvola?
How many hours of sunshine does Kalvola have in December?
What are the months with the lowest UV index in Kalvola?
What is the UV index reading in December in Kalvola?
Average temperature in December
Kalvola, Finland
- Average high temperature in December: -1.5°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 (-4.4°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 (-8.5°C).
Average pressure in December
Kalvola, Finland
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in December
Kalvola, Finland
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in December
Kalvola, 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
Kalvola, Finland
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is July (54mm).
The driest months (with the least rainfall) are March and April (25mm).
Average rainfall days in December
Kalvola, Finland
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Kalvola, Finland
- Average snowfall in December: 143mm
The month with the highest snowfall is January (157mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Kalvola, Finland
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Kalvola, Finland
- Average daylight in December: 5h and 4min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in December: 1h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in December
Kalvola, Finland
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is March (9.4 days).
Average UV index in December
Kalvola, 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
Kalvola, Finland
- Average cloud cover in December: 78
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are May, June, July and August (Cloud cover 47).
Average visibility in December
Kalvola, Finland
- Average visibility in December: 6km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
