Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a cold 2.7°C (36.9°F) in November to a subzero cold -2.3°C (27.9°F). A consistent average low of -6°C (21.2°F) is noted throughout December, only a small step down from its daytime high.Humidity
The average relative humidity in December is 91%.Rainfall
In Sinyavka, in December, during 6.5 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 121.4 rainfall days, and 420mm (16.54") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Sinyavka, during December, snow falls for 15.5 days and regularly aggregates up to 165mm (6.5") of snow. In Sinyavka, during the entire year, snow falls for 75 days and aggregates up to 723mm (28.46") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:08 and sunset at 16:10. On the last day of December, sunrise is at 08:30 and sunset at 16:16 MSK.
Sunshine
In December, the average sunshine is 2.1h.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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December in Sinyavka?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sinyavka have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Sinyavka?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Sinyavka, Russia
- Average high temperature in December: -2.3°C
The warmest month (with the highest average high temperature) is July (26.3°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in December: -6°C
The month with the highest average low temperature is July (15.4°C).
The coldest month (with the lowest average low temperature) is January (-10.4°C).
Average pressure in December
Sinyavka, Russia
- Average pressure in December: 1018.7mbar
The month with the highest atmospheric pressure is November (1021.6mbar).
The month with the lowest atmospheric pressure is July (1011.9mbar).
Average wind speed in December
Sinyavka, Russia
- Average wind speed in December: 15.3km/h
The windiest month (with the highest average wind speed) is December (15.3km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in December
Sinyavka, Russia
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Sinyavka, Russia
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is June (59mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in December
Sinyavka, Russia
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in December
Sinyavka, Russia
- Average snowfall in December: 165mm
The month with the highest snowfall is January (196mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Sinyavka, Russia
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sinyavka, Russia
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 1h and 54min).
Average sunshine days in December
Sinyavka, Russia
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is August (17.3 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in December
Sinyavka, Russia
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Sinyavka, Russia
- Average cloud cover in December: 80
The month with the most cloud cover is February (Cloud cover 82).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Sinyavka, Russia
- Average visibility in December: 7km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).
