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 coincides with a soft drop in the average high-temperature, subtly decreasing from November's wintry 3.5°C (38.3°F) to a freezing cold -0.5°C (31.1°F). Nighttime temperatures record an average of -4.1°C (24.6°F) throughout December.Humidity
The average relative humidity in December in Sonni is 93%.Rainfall
In December, the rain falls for 12.4 days. Throughout December, 47mm (1.85") of precipitation is accumulated. In Sonni, Estonia, during the entire year, the rain falls for 168.2 days and collects up to 528mm (20.79") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Sonni, it is snowing for 18.3 days. Throughout December, 172mm (6.77") of snow is accumulated. Throughout the year, in Sonni, there are 93.5 snowfall days, and 853mm (33.58") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 6h and 24min of daylight.On the first day of the month, sunrise is at 08:46 and sunset at 15:30. On the last day of December, in Sonni, sunrise is at 09:12 and sunset at 15:33 EET.
Sunshine
December has the least sunshine of the year in Sonni, with an average of 1.6h 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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Sonni in December?
What is the average humidity in December in Sonni?
How many days does it rain in December in Sonni?
How much does it snow in Sonni in December?
What is the month with the shortest days in Sonni?
How many hours of daylight does Sonni have in December?
When are sunrise and sunset in December in Sonni?
What is the month with the least sunshine in Sonni?
How long on average sun shines in December in Sonni?
When is the lowest UV index in Sonni?
What is the UV index reading in December in Sonni?
Average temperature in December
Sonni, Estonia
- Average high temperature in December: -0.5°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in December: -4.1°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-7.5°C).
Average pressure in December
Sonni, Estonia
- Average pressure in December: 1009.9mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in December
Sonni, Estonia
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in December
Sonni, Estonia
- Average humidity in December: 93%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Sonni, Estonia
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Sonni, Estonia
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Sonni, Estonia
- Average snowfall in December: 172mm
The month with the highest snowfall is February (215mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sonni, Estonia
- Average snowfall days in December: 18.3 days
The month with the highest number of snowfall days is January (20.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sonni, Estonia
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in December
Sonni, Estonia
- Average sunshine days in December: 5.3 days
The month with the most sunshine days is May (13.7 days).
The month with the least sunshine days is December (5.3 days).
Average UV index in December
Sonni, 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
Sonni, Estonia
- Average cloud cover in December: 81
The month with the most cloud cover is December (Cloud cover 81).
The month with the least cloud cover is May (Cloud cover 41).
Average visibility in December
Sonni, Estonia
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
