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
December indicates a shift in the average high-temperature, from November's -1.1°C (30°F) to a still freezing cold -6.6°C (20.1°F). During December, nights in Syumsi cool slightly to an average low of -11.1°C (12°F).Humidity
The average relative humidity in December in Syumsi is 95%.Rainfall
In Syumsi, Russia, during December, the rain falls for 2.5 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, there are 109.5 rainfall days, and 447mm (17.6") of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall in Syumsi. The month with the most snowfall is December, when snow falls for 19.9 days and typically aggregates up to 255mm (10.04") of snow.Daylight
The month with the shortest days in Syumsi is December, with an average of 6h and 48min of daylight.On the first day of the month, sunrise is at 08:47 and sunset at 15:57. On the last day of December, in Syumsi, Russia, sunrise is at 09:12 and sunset at 16:01 +04.
Sunshine
December has the least sunshine of the year, with an average of 1.3h of sunshine.UV index
The months with the lowest UV index in Syumsi are January through March, October through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Syumsi?
What is the average humidity in December in Syumsi?
How many days does it rain in December in Syumsi?
When does it snow the most in Syumsi?
How many days does it snow in December in Syumsi?
What is the month with the shortest days in Syumsi?
What is the average length of the day in December in Syumsi?
What time are sunrise and sunset in December in Syumsi?
What is the month with the least sunshine in Syumsi?
How long on average sun shines in December in Syumsi?
When is the lowest UV index in Syumsi?
What is the UV index intensity in December in Syumsi?
Average temperature in December
Syumsi, Russia
- Average high temperature in December: -6.6°C
The warmest month (with the highest average high temperature) is July (24.7°C).
The month with the lowest average high temperature is January (-9.3°C).
- Average low temperature in December: -11.1°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-14.8°C).
Average pressure in December
Syumsi, Russia
- Average pressure in December: 1019mbar
The month with the highest atmospheric pressure is February (1021.8mbar).
The month with the lowest atmospheric pressure is July (1011.3mbar).
Average wind speed in December
Syumsi, Russia
- Average wind speed in December: 11.2km/h
The windiest month (with the highest average wind speed) is October (11.3km/h).
The calmest month (with the lowest average wind speed) is July (8.8km/h).
Average humidity in December
Syumsi, Russia
- Average humidity in December: 95%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is May (64%).
Average rainfall in December
Syumsi, Russia
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in December
Syumsi, Russia
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is January (0.7 days).
Average snowfall in December
Syumsi, Russia
- Average snowfall in December: 255mm
The month with the highest snowfall is December (255mm).
The months with the least snowfall are May, June, July and August (0mm).
Average snowfall days in December
Syumsi, Russia
- Average snowfall days in December: 19.9 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Syumsi, Russia
- Average daylight in December: 6h and 5min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in December: 1h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in December
Syumsi, Russia
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is May (17 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in December
Syumsi, Russia
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Syumsi, Russia
- Average cloud cover in December: 85
The month with the most cloud cover is January (Cloud cover 87).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Syumsi, Russia
- Average visibility in December: 5km
The months with the highest visibility are May, June, July and August (9km).
The month with the lowest visibility is January (4km).
