December weather forecastTyrnävä, Finland
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Tyrnävä, Finland, with an average temperature varying between -6.4°C (20.5°F) and -3°C (26.6°F).Temperature
The onset of December brings a small shift in high-temperatures, falling from a cold 1.1°C (34°F) in November to a subzero cold -3°C (26.6°F). Tyrnävä reports an average low temperature of -6.4°C (20.5°F) in December, a minor decrease from the day's highs.Humidity
In December, the average relative humidity is 93%.Rainfall
In Tyrnävä, in December, it is raining for 6.4 days, with typically 44mm (1.73") of accumulated precipitation. In Tyrnävä, Finland, during the entire year, the rain falls for 117.3 days and collects up to 434mm (17.09") of precipitation.Snowfall
January through May, September through December are months with snowfall. In Tyrnävä, in December, during 20.9 snowfall days, 230mm (9.06") of snow is typically accumulated. Throughout the year, in Tyrnävä, Finland, there are 107.1 snowfall days, and 1131mm (44.53") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 4h and 0min of daylight.On the first day of the month, sunrise is at 09:45 and sunset at 14:28. On the last day of December, sunrise is at 10:19 and sunset at 14:21 EET.
Sunshine
With an average of 1h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tyrnävä, Finland
- Average high temperature in December: -3°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in December: -6.4°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-10.6°C).
Average pressure in December
Tyrnävä, Finland
- Average pressure in December: 1005.4mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in December
Tyrnävä, Finland
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is November (13.7km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity in December
Tyrnävä, Finland
- Average humidity in December: 93%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (69%).
Average rainfall in December
Tyrnävä, Finland
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and September (25mm).
Average rainfall days in December
Tyrnävä, Finland
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Tyrnävä, Finland
- Average snowfall in December: 230mm
The month with the highest snowfall is March (232mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Tyrnävä, Finland
- Average snowfall days in December: 20.9 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Tyrnävä, Finland
- Average daylight in December: 4h and 0min
The month with the longest days is June (Average daylight: 21h and 24min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in December: 1h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days in December
Tyrnävä, Finland
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is June (17 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in December
Tyrnävä, 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
Tyrnävä, Finland
- Average cloud cover in December: 76
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in December
Tyrnävä, Finland
- Average visibility in December: 7km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (6km).
