December weather forecastSnappertuna, Finland
December
Weather in December
The first month of the winter, December, is also a wintry month in Snappertuna, Finland, with an average temperature fluctuating between -0.9°C (30.4°F) and 1.7°C (35.1°F).Temperature
December is marked by a subtle drop in average high-temperatures, transitioning from 5°C (41°F) in November to a still icy 1.7°C (35.1°F). Snappertuna sustains an average of approximately a subzero cold -0.9°C (30.4°F) during December nights, with little variation from daytime highs.Humidity
In December, the average relative humidity in Snappertuna is 86%.Rainfall
In Snappertuna, in December, during 14 rainfall days, 55mm (2.17") of precipitation is typically accumulated. In Snappertuna, during the entire year, the rain falls for 165.8 days and collects up to 570mm (22.44") of precipitation.Snowfall
January through May, October through December are months with snowfall in Snappertuna, Finland. In Snappertuna, Finland, in December, during 14.3 snowfall days, 119mm (4.69") of snow is typically accumulated. In Snappertuna, during the entire year, snow falls for 75.5 days and aggregates up to 562mm (22.13") of snow.Daylight
December has the shortest days of the year in Snappertuna, Finland, with an average of 6h and 0min of daylight.On the first day of the month, sunrise is at 09:01 and sunset at 15:28. On the last day of December, sunrise is at 09:27 and sunset at 15:29 EET.
Sunshine
The month with the least sunshine in Snappertuna is December, with an average of 1.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Snappertuna. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Snappertuna, Finland
- Average high temperature in December: 1.7°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in December: -0.9°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure in December
Snappertuna, Finland
- Average pressure in December: 1008.5mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in December
Snappertuna, Finland
- Average wind speed in December: 24km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is May (14.9km/h).
Average humidity in December
Snappertuna, Finland
- Average humidity in December: 86%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Snappertuna, Finland
- Average rainfall in December: 55mm
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
Snappertuna, Finland
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (7 days).
Average snowfall in December
Snappertuna, Finland
- Average snowfall in December: 119mm
The month with the highest snowfall is January (136mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Snappertuna, Finland
- Average snowfall days in December: 14.3 days
The month with the highest number of snowfall days is February (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Snappertuna, Finland
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 1h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in December
Snappertuna, Finland
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is May (15.4 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in December
Snappertuna, Finland
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Snappertuna, Finland
- Average cloud cover in December: 75
The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Snappertuna, Finland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).





