December weather forecastRvy, Russia
December weather forecast for Rvy, Russia: In Rvy, in December, snow falls for 17.6 days, with typically accumulated 152mm (5.98") of snow. In Rvy, in December, during 17.6 snowfall days, 152mm (5.98") of snow is typically accumulated.
December
Weather in December
December, the first month of the winter in Rvy, is also a subzero cold month, with an average temperature varying between -1.5°C (29.3°F) and -4.9°C (23.2°F).Temperature
December reveals a small adjustment in temperature, transitioning from an average high of a wintry 2.7°C (36.9°F) in November to a subzero cold -1.5°C (29.3°F). A slight dip in temperature to -4.9°C (23.2°F) marks the average nights during December.Humidity
In December, the average relative humidity is 93%.Rainfall
In December, the rain falls for 6 days. Throughout December, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 136.6 rainfall days, and 417mm (16.42") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rvy, in December, snow falls for 17.6 days, with typically accumulated 152mm (5.98") of snow. Throughout the year, there are 86.5 snowfall days, and 747mm (29.41") of snow is accumulated.Daylight
December has the shortest days of the year in Rvy, with an average of 6h and 36min of daylight.On the first day of December in Rvy, Russia, sunrise is at 09:17 and sunset at 16:17. On the last day of the month, sunrise is at 09:42 and sunset at 16:20 MSK.
Sunshine
January and December, with an average of 1.3h of sunshine, are months with the least 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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rvy, Russia
- Average high temperature in December: -1.5°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (-4.4°C).
- Average low temperature in December: -4.9°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-8.7°C).
Average pressure in December
Rvy, Russia
- Average pressure in December: 1012.5mbar
The month with the highest atmospheric pressure is October (1016.5mbar).
The month with the lowest atmospheric pressure is July (1011.9mbar).
Average wind speed in December
Rvy, Russia
- Average wind speed in December: 13.1km/h
The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in December
Rvy, Russia
- Average humidity in December: 93%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Rvy, Russia
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is March (24mm).
Average rainfall days in December
Rvy, Russia
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Rvy, Russia
- Average snowfall in December: 152mm
The month with the highest snowfall is January (172mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rvy, Russia
- Average snowfall days in December: 17.6 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rvy, Russia
- Average daylight in December: 6h and 36min
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 36min).
- Average sunshine in December: 1h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The months with the least sunshine are January and December (Average sunshine: 1h and 18min).
Average sunshine days in December
Rvy, Russia
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is May (15 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Rvy, Russia
- 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
Rvy, Russia
- Average cloud cover in December: 82
The month with the most cloud cover is February (Cloud cover 83).
The months with the least cloud cover are May and July (Cloud cover 41).
Average visibility in December
Rvy, Russia
- 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).





