December weather forecastSund, Finland
December
Weather in December
The first month of the winter, December, is also a wintry month in Sund, Finland, with temperature in the range of an average low of 1.3°C (34.3°F) and an average high of 3.5°C (38.3°F).Temperature
The advent of December sees the average high-temperature at an icy 3.5°C (38.3°F), subtly shifted from November's 6.3°C (43.3°F). A steady low-temperature average of 1.3°C (34.3°F) is logged in Sund during December, reflecting a modest dip from daytime readings.Humidity
The average relative humidity in December in Sund is 81%.Rainfall
In Sund, in December, it is raining for 8.8 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, in Sund, there are 116.3 rainfall days, and 274mm (10.79") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Sund, during December, snow falls for 7.5 days and regularly aggregates up to 35mm (1.38") of snow. In Sund, during the entire year, snow falls for 40.1 days and aggregates up to 160mm (6.3") of snow.Daylight
The month with the shortest days in Sund is December, with an average of 6h and 0min of daylight.On the first day of December, sunrise is at 09:17 and sunset at 15:40. On the last day of the month, sunrise is at 09:44 and sunset at 15:41 EET.
Sunshine
The months with the least sunshine are January and December, with an average of 2.2h of sunshine.UV index
In Sund, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. 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
Average temperature in December
Sund, Finland
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is August (17.6°C).
The month with the lowest average high temperature is February (0.5°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in December
Sund, Finland
- Average pressure in December: 1007.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in December
Sund, Finland
- Average wind speed in December: 31.7km/h
The windiest month (with the highest average wind speed) is December (31.7km/h).
The calmest month (with the lowest average wind speed) is July (20km/h).
Average humidity in December
Sund, Finland
- Average humidity in December: 81%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and October (78%).
Average rainfall in December
Sund, Finland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is October (32mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in December
Sund, Finland
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is August (14.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Sund, Finland
- Average snowfall in December: 35mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sund, Finland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sund, Finland
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 2h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).
Average sunshine days in December
Sund, Finland
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is May (20.5 days).
The month with the least sunshine days is December (11.1 days).
Average UV index in December
Sund, Finland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).
Average cloud cover in December
Sund, Finland
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Sund, Finland
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
