December weather forecastReiu, Estonia
December
Weather in December
December, the first month of the winter in Reiu, is also an icy month, with an average temperature ranging between min -2.5°C (27.5°F) and max 1°C (33.8°F).Temperature
A mild drop in Reiu's average high-temperature is observed in December, transitioning from an icy 4.6°C (40.3°F) in November to a still wintry 1°C (33.8°F). In December, Reiu's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of -2.5°C (27.5°F).Humidity
The average relative humidity in December in Reiu is 90%.Rainfall
In Reiu, in December, it is raining for 15 days, with typically 55mm (2.17") of accumulated precipitation. In Reiu, Estonia, during the entire year, the rain falls for 175.8 days and collects up to 570mm (22.44") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Reiu, in December, during 16.9 snowfall days, 139mm (5.47") of snow is typically accumulated. In Reiu, during the entire year, snow falls for 84.5 days and aggregates up to 726mm (28.58") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 30min of daylight.On the first day of December, sunrise is at 08:44 and sunset at 15:37. On the last day of the month, sunrise is at 09:09 and sunset at 15:40 EET.
Sunshine
December has the least sunshine of the year in Reiu, with an average of 1.7h of sunshine.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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Reiu, Estonia
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-6.3°C).
Average pressure in December
Reiu, Estonia
- Average pressure in December: 1009.9mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in December
Reiu, Estonia
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is May (11.7km/h).
Average humidity in December
Reiu, Estonia
- Average humidity in December: 90%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in December
Reiu, Estonia
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Reiu, Estonia
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Reiu, Estonia
- Average snowfall in December: 139mm
The month with the highest snowfall is February (192mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Reiu, Estonia
- Average snowfall days in December: 16.9 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, August and September (0 days).
Average daylight in December /
Average sunshine in December
Reiu, Estonia
- Average daylight in December: 6h and 30min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in December: 1h and 42min
The months with the most sunshine are June and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Reiu, Estonia
- Average sunshine days in December: 4 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (4 days).
Average UV index in December
Reiu, 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
Reiu, Estonia
- Average cloud cover in December: 79
The month with the most cloud cover is December (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Reiu, Estonia
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (7km).





