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
In Joensuu, the average high-temperature in December gently drops from an icy 1.2°C (34.2°F) in November to a freezing cold -2.9°C (26.8°F). December records a small disparity from daytime temperatures, marking an average low-temperature of -6.1°C (21°F) in Joensuu.Humidity
The average relative humidity in December in Joensuu, Finland, is 93%.Rainfall
In Joensuu, during December, the rain falls for 4.4 days and regularly aggregates up to 35mm (1.38") of precipitation. In Joensuu, during the entire year, the rain falls for 127.5 days and collects up to 461mm (18.15") of precipitation.Snowfall
January through June, September through December are months with snowfall in Joensuu. The months with the most snowfall in Joensuu are March and December, with an average 202mm (7.95") of accumulated snow.Daylight
With an average of 5h and 6min of daylight, December has the shortest days of the year in Joensuu.On the first day of December in Joensuu, sunrise is at 09:01 and sunset at 14:38. On the last day of the month, sunrise is at 09:31 and sunset at 14:37 EET.
Sunshine
With an average of 0.7h of sunshine, December has the least sunshine of the year in Joensuu.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Joensuu. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is it in Joensuu in December?
What is the average humidity in December in Joensuu?
How much does it rain in Joensuu in December?
What is the snowiest month in Joensuu?
How many days does it snow in December in Joensuu?
What is the month with the shortest days in Joensuu?
What is the average length of the day in December in Joensuu?
When is the sunrise / sunset in December in Joensuu?
What is the month with the least sunshine in Joensuu?
How many hours of sunshine does Joensuu have in December?
What is the month with the lowest UV index in Joensuu?
How high is the UV index in December in Joensuu?
Average temperature in December
Joensuu, Finland
- Average high temperature in December: -2.9°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-6.4°C).
- Average low temperature in December: -6.1°C
The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is January (-10.4°C).
Average pressure in December
Joensuu, Finland
- Average pressure in December: 1008.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in December
Joensuu, Finland
- Average wind speed in December: 13.8km/h
The windiest months (with the highest average wind speed) are November and December (13.8km/h).
The calmest month (with the lowest average wind speed) is July (10.2km/h).
Average humidity in December
Joensuu, Finland
- Average humidity in December: 93%
The month with the highest relative humidity is February (96%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall in December
Joensuu, Finland
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in December
Joensuu, Finland
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Joensuu, Finland
- Average snowfall in December: 202mm
The months with the highest snowfall are March and December (202mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Joensuu, Finland
- Average snowfall days in December: 22.3 days
The month with the highest number of snowfall days is December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Joensuu, Finland
- Average daylight in December: 5h and 1min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in December: 0h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in December
Joensuu, Finland
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is May (15 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in December
Joensuu, 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
Joensuu, Finland
- Average cloud cover in December: 83
The month with the most cloud cover is February (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Joensuu, 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 and February (5km).
Joensuu, Finland
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