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
As December commences, the average high-temperature subtly reduces, transitioning from a wintry 1.8°C (35.2°F) in November to a freezing cold -3°C (26.6°F). During the nights of December, the average low-temperature holds at a still subzero cold -6.8°C (19.8°F).Humidity
In December, the average relative humidity is 92%.Rainfall
In December, in Sysoi, the rain falls for 6.6 days. Throughout December, 29mm (1.14") of precipitation is accumulated. Throughout the year, there are 115.8 rainfall days, and 380mm (14.96") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Sysoi. In Sysoi, during December, snow falls for 17 days and regularly aggregates up to 141mm (5.55") of snow. In Sysoi, during the entire year, snow falls for 85.7 days and aggregates up to 718mm (28.27") of snow.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:10 and sunset at 15:58. On the last day of the month, sunrise is at 08:33 and sunset at 16:04 MSK.
Sunshine
In Sysoi, Russia, the average sunshine in December is 2.1h.UV index
January, February, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sysoi?
What is the average humidity in December in Sysoi?
How many days does it rain in December in Sysoi?
How much does it snow in Sysoi in December?
What is the month with the shortest days in Sysoi?
What is the average length of the day in December in Sysoi?
What time are sunrise and sunset in December in Sysoi?
How long on average sun shines in December in Sysoi?
When is the lowest UV index in Sysoi?
What is the UV index intensity in December in Sysoi?
Average temperature in December
Sysoi, Russia
- Average high temperature in December: -3°C
The warmest month (with the highest average high temperature) is July (26.1°C).
The month with the lowest average high temperature is January (-6.6°C).
- Average low temperature in December: -6.8°C
The month with the highest average low temperature is July (14.8°C).
The coldest month (with the lowest average low temperature) is January (-11.6°C).
Average pressure in December
Sysoi, Russia
- Average pressure in December: 1018.7mbar
The month with the highest atmospheric pressure is November (1021.4mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).
Average wind speed in December
Sysoi, 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 (10.4km/h).
Average humidity in December
Sysoi, Russia
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (95%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in December
Sysoi, Russia
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is November (20mm).
Average rainfall days in December
Sysoi, Russia
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is January (2 days).
Average snowfall in December
Sysoi, Russia
- Average snowfall in December: 141mm
The month with the highest snowfall is January (204mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Sysoi, Russia
- Average snowfall days in December: 17 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Sysoi, Russia
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 1h and 42min).
Average sunshine days in December
Sysoi, Russia
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in December
Sysoi, 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, October, November and December (UV index 1).
Average cloud cover in December
Sysoi, Russia
- Average cloud cover in December: 81
The months with the most cloud cover are January and February (Cloud cover 83).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Sysoi, Russia
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (6km).
