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
As Alajärvi enters December, the average high-temperature subtly lowers from the an icy 2°C (35.6°F) of November to a subzero cold -2°C (28.4°F). Alajärvi nights in December witness a mild cool down to an average temperature of -5.2°C (22.6°F).Humidity
In December, the average relative humidity is 92%.Rainfall
In Alajärvi, in December, during 6.7 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Alajärvi, Finland, during the entire year, the rain falls for 134.7 days and collects up to 432mm (17.01") of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 16.3 days and accumulates 145mm (5.71") of snow.Daylight
The month with the shortest days is December, with an average of 4h and 54min of daylight.On the first day of December, sunrise is at 09:29 and sunset at 14:58. On the last day of the month, sunrise is at 10:00 and sunset at 14:55 EET.
Sunshine
December has the least sunshine of the year in Alajärvi, Finland, with an average of 1.1h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Alajärvi. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 in December translates into these instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Alajärvi in December?
What is the average humidity in December in Alajärvi?
How many days does it rain in December in Alajärvi?
What is the snowiest month in Alajärvi?
How many days does it snow in December in Alajärvi?
What is the month with the shortest days in Alajärvi?
What is the average length of the day in December in Alajärvi?
When is the sunrise / sunset in December in Alajärvi?
What is the month with the least sunshine in Alajärvi?
How many hours of sunshine does Alajärvi have in December?
What is the month with the lowest UV index in Alajärvi?
How high is the UV index in December in Alajärvi?
Average temperature in December
Alajärvi, Finland
- Average high temperature in December: -2°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in December: -5.2°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure in December
Alajärvi, Finland
- Average pressure in December: 1006mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006mbar).
Average wind speed in December
Alajärvi, Finland
- Average wind speed in December: 12.1km/h
The windiest month (with the highest average wind speed) is December (12.1km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in December
Alajärvi, Finland
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The months with the lowest relative humidity are May and June (67%).
Average rainfall in December
Alajärvi, Finland
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is August (62mm).
The driest month (with the least rainfall) is February (20mm).
Average rainfall days in December
Alajärvi, Finland
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in December
Alajärvi, Finland
- Average snowfall in December: 145mm
The month with the highest snowfall is December (145mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Alajärvi, Finland
- Average snowfall days in December: 16.3 days
The month with the highest number of snowfall days is December (16.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Alajärvi, Finland
- Average daylight in December: 4h and 5min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in December: 1h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in December
Alajärvi, Finland
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is February (15 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in December
Alajärvi, 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
Alajärvi, Finland
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility in December
Alajärvi, Finland
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (6km).
