December weather forecastRiuma, Estonia
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Riuma, Estonia, with an average temperature fluctuating between -0.3°C (31.5°F) and -3.9°C (25°F).Temperature
A subtle shift in Riuma's weather is observed as November turns into December, with the average high temperature reducing from a wintry 3.6°C (38.5°F) to a subzero cold -0.3°C (31.5°F). Riuma's nighttime temperature in December consistently rests at -3.9°C (25°F).Humidity
The average relative humidity in December is 92%.Rainfall
In Riuma, in December, it is raining for 12.3 days, with typically 45mm (1.77") of accumulated precipitation. In Riuma, during the entire year, the rain falls for 161.5 days and collects up to 516mm (20.31") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 19.5 days. Throughout December, 173mm (6.81") of snow is accumulated. Throughout the year, there are 92.6 snowfall days, and 841mm (33.11") of snow is accumulated.Daylight
With an average of 6h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:39 and sunset at 15:31. On the last day of December, sunrise is at 09:04 and sunset at 15:34 EET.
Sunshine
The month with the least sunshine is December, 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 vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Riuma, Estonia
- Average high temperature in December: -0.3°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: -3.9°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 (-7.3°C).
Average pressure in December
Riuma, Estonia
- Average pressure in December: 1010.4mbar
The months with the highest atmospheric pressure are May and October (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in December
Riuma, Estonia
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Riuma, Estonia
- Average humidity in December: 92%
The month with the highest relative humidity is February (94%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in December
Riuma, Estonia
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Riuma, Estonia
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Riuma, Estonia
- Average snowfall in December: 173mm
The month with the highest snowfall is February (223mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Riuma, Estonia
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Riuma, 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 36min
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
Riuma, Estonia
- Average sunshine days in December: 4.8 days
The month with the most sunshine days is May (14 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in December
Riuma, 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
Riuma, 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 July (Cloud cover 41).
Average visibility in December
Riuma, 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).





