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
The beginning of December subtly marks a decrease in the average high-temperature, transitioning from an icy 0.1°C (32.2°F) in November to a subzero cold -4.1°C (24.6°F). During December, Kestilä's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of -7.7°C (18.1°F).Humidity
The average relative humidity in December is 95%.Rainfall
In Kestilä, in December, during 4.4 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Kestilä, there are 123.8 rainfall days, and 364mm (14.33") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In December, it is snowing for 23.4 days. Throughout December, 157mm (6.18") of snow is accumulated. Throughout the year, there are 126.2 snowfall days, and 903mm (35.55") of snow is accumulated.Daylight
With an average of 4h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 09:36 and sunset at 14:31. On the last day of the month, sunrise is at 10:10 and sunset at 14:25 EET.
Sunshine
December has the least sunshine of the year, with an average of 0.7h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Kestilä. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Kestilä have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Kestilä, Finland
- Average high temperature in December: -4.1°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (-7.3°C).
- Average low temperature in December: -7.7°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is January (-11.6°C).
Average pressure in December
Kestilä, Finland
- Average pressure in December: 1006.7mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in December
Kestilä, Finland
- Average wind speed in December: 13.1km/h
The windiest months (with the highest average wind speed) are November and December (13.1km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in December
Kestilä, Finland
- Average humidity in December: 95%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (69%).
Average rainfall in December
Kestilä, Finland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (48mm).
The driest months (with the least rainfall) are February and April (21mm).
Average rainfall days in December
Kestilä, Finland
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Kestilä, Finland
- Average snowfall in December: 157mm
The month with the highest snowfall is March (160mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Kestilä, Finland
- Average snowfall days in December: 23.4 days
The month with the highest number of snowfall days is December (23.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Kestilä, Finland
- Average daylight in December: 4h and 2min
The month with the longest days is June (Average daylight: 21h and 0min).
The month with the shortest days is December (Average daylight: 4h and 18min).
- Average sunshine in December: 0h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in December
Kestilä, Finland
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is April (7.6 days).
Average UV index in December
Kestilä, 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, October, November and December (UV index 1).
Average cloud cover in December
Kestilä, Finland
- Average cloud cover in December: 84
The months with the most cloud cover are January, February and December (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in December
Kestilä, 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).
