December weather forecastPlessi, Estonia
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Plessi, Estonia, with an average temperature varying between -1°C (30.2°F) and -4.3°C (24.3°F).Temperature
December brings a slight decrease in the average high-temperature, shifting from a wintry 3.3°C (37.9°F) in November to a subzero cold -1°C (30.2°F). A mean low-temperature of -4.3°C (24.3°F) is anticipated during the month of December, a slight step down from the daytime high.Humidity
The average relative humidity in December in Plessi is 92%.Rainfall
In Plessi, during December, the rain falls for 9.5 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, in Plessi, 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 Plessi, in December, snow falls for 19.2 days, with typically accumulated 170mm (6.69") of snow. Throughout the year, in Plessi, there are 90 snowfall days, and 807mm (31.77") of snow is accumulated.Daylight
December has the shortest days of the year in Plessi, with an average of 6h and 42min of daylight.On the first day of the month, sunrise is at 08:29 and sunset at 15:30. On the last day of December, sunrise is at 08:53 and sunset at 15:33 EET.
Sunshine
In December, the average sunshine 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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plessi, 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
Plessi, 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
Plessi, 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
Plessi, 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
Plessi, 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
Plessi, 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
Plessi, 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
Plessi, 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
Plessi, Estonia
- Average daylight in December: 6h and 42min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- 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
Plessi, 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
Plessi, 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
Plessi, 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
Plessi, 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).





