December weather forecastTohmajärvi, Finland
December
Weather in December
December, the first month of the winter in Tohmajärvi, is still a freezing cold month, with an average temperature varying between -3.2°C (26.2°F) and -6.6°C (20.1°F).Temperature
The advent of December brings a subtle shift in temperature, with the average high moving from a cold 1°C (33.8°F) in November to a subzero cold -3.2°C (26.2°F). Tohmajärvi, during December nights, records a temperature marginally cooler than the daytime average, at -6.6°C (20.1°F).Humidity
In December, the average relative humidity is 94%.Rainfall
In December, the rain falls for 6 days. Throughout December, 50mm (1.97") of precipitation is accumulated. Throughout the year, there are 135 rainfall days, and 525mm (20.67") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. The month with the most snowfall is December, when snow falls for 23.7 days and typically aggregates up to 302mm (11.89") of snow.Daylight
The month with the shortest days is December, with an average of 5h and 18min of daylight.On the first day of the month, sunrise is at 08:55 and sunset at 14:40. On the last day of December, sunrise is at 09:24 and sunset at 14:39 EET.
Sunshine
January and December, with an average of 1.1h of sunshine, are months with the least sunshine.UV index
January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tohmajärvi, Finland
- Average high temperature in December: -3.2°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-6.4°C).
- Average low temperature in December: -6.6°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-10.8°C).
Average pressure in December
Tohmajärvi, Finland
- Average pressure in December: 1008.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in December
Tohmajärvi, Finland
- Average wind speed in December: 12.3km/h
The windiest month (with the highest average wind speed) is December (12.3km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).
Average humidity in December
Tohmajärvi, Finland
- Average humidity in December: 94%
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
Tohmajärvi, Finland
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in December
Tohmajärvi, Finland
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Tohmajärvi, Finland
- Average snowfall in December: 302mm
The month with the highest snowfall is December (302mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Tohmajärvi, Finland
- Average snowfall days in December: 23.7 days
The month with the highest number of snowfall days is December (23.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Tohmajärvi, Finland
- Average daylight in December: 5h and 18min
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: 1h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 1h and 6min).
Average sunshine days in December
Tohmajärvi, Finland
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in December
Tohmajärvi, 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
Tohmajärvi, Finland
- Average cloud cover in December: 84
The month with the most cloud cover is February (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in December
Tohmajärvi, 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).





