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
Weather in December
Temperature
In December, the average high-temperature marginally drops from a cold 2°C (35.6°F) in November to a subzero cold -2°C (28.4°F). A minimal decline in temperature from daytime highs is anticipated in Sumsk throughout the December nights, averaging -5.4°C (22.3°F).Humidity
In Sumsk, the average relative humidity in December is 94%.Rainfall
In Sumsk, during December, the rain falls for 6.8 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 143.6 rainfall days, and 528mm (20.79") of precipitation is accumulated.Snowfall
Months with snowfall in Sumsk are January through May, October through December. In Sumsk, in December, snow falls for 22.5 days, with typically accumulated 235mm (9.25") of snow. In Sumsk, during the entire year, snow falls for 114 days and aggregates up to 1302mm (51.26") of snow.Daylight
With an average of 6h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 09:33 and sunset at 16:12. On the last day of December, sunrise is at 09:59 and sunset at 16:14 MSK.
Sunshine
The month with the least sunshine is December, with an average of 0.8h of sunshine.UV index
January through March, October through 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 radiation for ordinary individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To cut down UV radiation exposure by about half, sport a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Sumsk in December?
What is the average humidity in December in Sumsk?
How much does it rain in Sumsk in December?
How much does it snow in Sumsk in December?
What is the month with the shortest days in Sumsk?
What is the average length of the day in December in Sumsk?
What time are sunrise and sunset in December in Sumsk?
What is the month with the least sunshine in Sumsk?
How long on average sun shines in December in Sumsk?
What are the months with the lowest UV index in Sumsk?
How high is the UV index in December in Sumsk?
Average temperature in December
Sumsk, Russia
- Average high temperature in December: -2°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-4.6°C).
- Average low temperature in December: -5.4°C
The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure in December
Sumsk, Russia
- Average pressure in December: 1010.4mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in December
Sumsk, Russia
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in December
Sumsk, Russia
- Average humidity in December: 94%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Sumsk, Russia
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is November (35mm).
Average rainfall days in December
Sumsk, Russia
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Sumsk, Russia
- Average snowfall in December: 235mm
The month with the highest snowfall is February (289mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sumsk, Russia
- Average snowfall days in December: 22.5 days
The month with the highest number of snowfall days is January (23.8 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sumsk, Russia
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 0h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in December
Sumsk, Russia
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is May (15.3 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in December
Sumsk, Russia
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Sumsk, Russia
- Average cloud cover in December: 88
The month with the most cloud cover is December (Cloud cover 88).
The month with the least cloud cover is May (Cloud cover 43).
Average visibility in December
Sumsk, Russia
- Average visibility in December: 6km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is February (5km).
Sumsk, Russia
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