December weather forecastTonja, Estonia
December
Weather in December
December, the first month of the winter in Tonja, is still a freezing cold month, with an average temperature varying between -1°C (30.2°F) and -4.3°C (24.3°F).Temperature
With the onset of December, Tonja's average high-temperature slightly adjusts, moderately receding from November's icy 3.3°C (37.9°F) to a subzero cold -1°C (30.2°F). Throughout December, Tonja records a steady low-temperature average of -4.3°C (24.3°F), a minor decrease from its daytime counterpart.Humidity
The average relative humidity in December in Tonja is 92%.Rainfall
In Tonja, Estonia, in December, it is raining for 9.5 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 160.5 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Tonja. In Tonja, in December, snow falls for 19.2 days, with typically accumulated 170mm (6.69") of snow. In Tonja, during the entire year, snow falls for 90 days and aggregates up to 807mm (31.77") of snow.Daylight
With an average of 6h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:29 and sunset at 15:27. On the last day of December, in Tonja, sunrise is at 08:54 and sunset at 15:30 EET.
Sunshine
In December, the average sunshine in Tonja, Estonia, is 1.9h.UV index
The months with the lowest UV index 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 low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 1 during December translates into the following guidance:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tonja, Estonia
- Average high temperature in December: -1°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in December: -4.3°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in December
Tonja, Estonia
- Average pressure in December: 1011.6mbar
The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in December
Tonja, Estonia
- Average wind speed in December: 14.4km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).
Average humidity in December
Tonja, Estonia
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Tonja, Estonia
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in December
Tonja, Estonia
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Tonja, Estonia
- Average snowfall in December: 170mm
The month with the highest snowfall is February (190mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Tonja, Estonia
- Average snowfall days in December: 19.2 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tonja, Estonia
- Average daylight in December: 6h and 36min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 1h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 1h and 48min).
Average sunshine days in December
Tonja, Estonia
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in December
Tonja, 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
Tonja, Estonia
- Average cloud cover in December: 83
The months with the most cloud cover are February and December (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Tonja, 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).





