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 is marked by a subtle drop in average high-temperatures, transitioning from a cold 0.9°C (33.6°F) in November to a freezing cold -3.5°C (25.7°F). In Ustrovka, the average low-temperature during December nights tends to settle at a still subzero cold -7.4°C (18.7°F), indicating a slight drop from the daytime peak.Humidity
The average relative humidity in December is 94%.Rainfall
In December, the rain falls for 5.7 days. Throughout December, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 136.5 rainfall days, and 503mm (19.8") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In December, in Ustrovka, it is snowing for 21.9 days. Throughout December, 185mm (7.28") of snow is accumulated. In Ustrovka, Russia, during the entire year, snow falls for 115.4 days and aggregates up to 1055mm (41.54") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 30min of daylight.On the first day of December, sunrise is at 08:56 and sunset at 15:49. On the last day of the month, sunrise is at 09:21 and sunset at 15:52 MSK.
Sunshine
January and December, with an average of 1.1h of sunshine, are months with the least 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ustrovka, Russia
- Average high temperature in December: -3.5°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (-6.5°C).
- Average low temperature in December: -7.4°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-11.1°C).
Average pressure in December
Ustrovka, Russia
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is November (1017.2mbar).
The month with the lowest atmospheric pressure is July (1011.5mbar).
Average wind speed in December
Ustrovka, 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 July (10.7km/h).
Average humidity in December
Ustrovka, Russia
- Average humidity in December: 94%
The month with the highest relative humidity is February (96%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Ustrovka, Russia
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is February (25mm).
Average rainfall days in December
Ustrovka, Russia
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Ustrovka, Russia
- Average snowfall in December: 185mm
The month with the highest snowfall is January (219mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Ustrovka, Russia
- Average snowfall days in December: 21.9 days
The month with the highest number of snowfall days is January (23.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ustrovka, Russia
- Average daylight in December: 6h and 3min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in December: 1h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 1h and 6min).
Average sunshine days in December
Ustrovka, Russia
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in December
Ustrovka, 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, October, November and December (UV index 1).
Average cloud cover in December
Ustrovka, Russia
- Average cloud cover in December: 86
The month with the most cloud cover is January (Cloud cover 88).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Ustrovka, Russia
- Average visibility in December: 6km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
