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 start of December involves a subtle temperature drop, shifting from an icy 4.5°C (40.1°F) in November to a still cold 1.1°C (34°F). December witnesses a minor deviation from daytime peaks, with an average nighttime temperature of -2.2°C (28°F).Humidity
The average relative humidity in December is 87%.Rainfall
In Tarvasjoki, in December, it is raining for 11.1 days, with typically 41mm (1.61") of accumulated precipitation. In Tarvasjoki, during the entire year, the rain falls for 133.7 days and collects up to 390mm (15.35") of precipitation.Snowfall
January through May, October through December are months with snowfall in Tarvasjoki. In Tarvasjoki, during December, snow falls for 12.4 days and regularly aggregates up to 82mm (3.23") of snow. In Tarvasjoki, during the entire year, snow falls for 60.5 days and aggregates up to 454mm (17.87") of snow.Daylight
The month with the shortest days is December, with an average of 5h and 54min of daylight.On the first day of the month, sunrise is at 09:09 and sunset at 15:26. On the last day of December, sunrise is at 09:36 and sunset at 15:27 EET.
Sunshine
With an average of 2h of sunshine, December has the least sunshine of the year in Tarvasjoki.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by 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 much does it rain in Tarvasjoki in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Tarvasjoki 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?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Tarvasjoki, Finland
- Average high temperature in December: 1.1°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in December: -2.2°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in December
Tarvasjoki, Finland
- Average pressure in December: 1007.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in December
Tarvasjoki, Finland
- Average wind speed in December: 20.4km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in December
Tarvasjoki, Finland
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Tarvasjoki, Finland
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Tarvasjoki, Finland
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Tarvasjoki, Finland
- Average snowfall in December: 82mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Tarvasjoki, Finland
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tarvasjoki, Finland
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in December
Tarvasjoki, Finland
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in December
Tarvasjoki, Finland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (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
Tarvasjoki, Finland
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Tarvasjoki, Finland
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).
