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
December's arrival aligns with a minor decrease in average high-temperatures, from November's icy 3.2°C (37.8°F) to a subzero cold -0.5°C (31.1°F). Throughout December, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of -3.7°C (25.3°F).Humidity
The average relative humidity in December is 92%.Rainfall
In Salla, in December, during 7.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Salla, during the entire year, the rain falls for 149.2 days and collects up to 459mm (18.07") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 17.4 days. Throughout December, 172mm (6.77") of snow is accumulated. Throughout the year, there are 92.1 snowfall days, and 819mm (32.24") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 08:41 and sunset at 15:25. On the last day of December, sunrise is at 09:07 and sunset at 15:27 EET.
Sunshine
The month with the least sunshine is December, with an average of 1.5h of sunshine.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 of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Salla have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Salla, Estonia
- Average high temperature in December: -0.5°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in December: -3.7°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in December
Salla, Estonia
- Average pressure in December: 1009.8mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.8mbar).
Average wind speed in December
Salla, Estonia
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is May (10.6km/h).
Average humidity in December
Salla, Estonia
- Average humidity in December: 92%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Salla, Estonia
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Salla, Estonia
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Salla, Estonia
- Average snowfall in December: 172mm
The month with the highest snowfall is February (179mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Salla, Estonia
- Average snowfall days in December: 17.4 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Salla, Estonia
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 1h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in December
Salla, Estonia
- Average sunshine days in December: 9 days
The month with the most sunshine days is May (15.4 days).
The month with the least sunshine days is December (9 days).
Average UV index in December
Salla, Estonia
- Average UV index in December: 1
The months with the highest UV index are June and 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
Salla, Estonia
- Average cloud cover in December: 82
The month with the most cloud cover is December (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Salla, Estonia
- Average visibility in December: 7km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (6km).
