December weather forecastHarjusuo, Finland
December
Weather in December
December, the first month of the winter in Harjusuo, is also a wintry month, with temperature in the range of an average low of -2.7°C (27.1°F) and an average high of 0.5°C (32.9°F).Temperature
A subtle shift in Harjusuo's weather is observed as November turns into December, with the average high temperature reducing from 3.9°C (39°F) to a still icy 0.5°C (32.9°F). In Harjusuo, nights during December observe an average temperature decrease to a subzero cold -2.7°C (27.1°F).Humidity
The average relative humidity in December in Harjusuo is 90%.Rainfall
In Harjusuo, Finland, during December, the rain falls for 7.8 days and regularly aggregates up to 26mm (1.02") of precipitation. In Harjusuo, during the entire year, the rain falls for 120.2 days and collects up to 354mm (13.94") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Harjusuo, in December, during 10.8 snowfall days, 66mm (2.6") of snow is typically accumulated. Throughout the year, there are 53.9 snowfall days, and 433mm (17.05") of snow is accumulated.Daylight
December has the shortest days of the year in Harjusuo, with an average of 5h and 54min of daylight.On the first day of the month, sunrise is at 08:58 and sunset at 15:19. On the last day of December, in Harjusuo, Finland, sunrise is at 09:25 and sunset at 15:21 EET.
Sunshine
The month with the least sunshine is December, with an average of 1.7h of sunshine.UV index
The months with the lowest UV index in Harjusuo are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harjusuo, Finland
- Average high temperature in December: 0.5°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 (-2.8°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in December
Harjusuo, Finland
- Average pressure in December: 1008.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in December
Harjusuo, Finland
- Average wind speed in December: 16.9km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in December
Harjusuo, Finland
- Average humidity in December: 90%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Harjusuo, Finland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in December
Harjusuo, Finland
- Average rainfall days in December: 7.8 days
The months with the highest number of rainy days are July, August and September (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Harjusuo, Finland
- Average snowfall in December: 66mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Harjusuo, Finland
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harjusuo, Finland
- Average daylight in December: 5h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 1h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Harjusuo, Finland
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in December
Harjusuo, 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
Harjusuo, Finland
- Average cloud cover in December: 75
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Harjusuo, Finland
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).
