December weather forecastAyan, Russia
December
Weather in December
The first month of the winter, December, is also an arctic cold month in Ayan, Russia, with temperature in the range of an average high of -15.9°C (3.4°F) and an average low of -19.8°C (-3.6°F).Temperature
December comes with a decrease in the average high-temperature, falling from a freezing cold -9.6°C (14.7°F) in November to a polar cold -15.9°C (3.4°F). Ayan marks an average drop to -19.8°C (-3.6°F) during nighttime in December, following the high of the day.Humidity
In December, the average relative humidity in Ayan, Russia, is 84%.Rainfall
In December, the rain falls for 1.5 days. Throughout December, 34mm (1.34") of precipitation is accumulated. In Ayan, during the entire year, the rain falls for 73.9 days and collects up to 485mm (19.09") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Ayan, in December, during 7.1 snowfall days, 71mm (2.8") of snow is typically accumulated. Throughout the year, in Ayan, there are 59.4 snowfall days, and 668mm (26.3") of snow is accumulated.Sea temperature
In December, the average sea temperature is -1.6°C (29.1°F).Note: In terms of swimming, this condition is dangerously life-threatening. Water temperatures cause sharp pain and provoke immediate hyperventilation. A specialized swimsuit is compulsory to alleviate thermal damage.
Daylight
December has the shortest days of the year in Ayan, with an average of 7h and 0min of daylight.On the first day of the month, sunrise is at 08:57 and sunset at 16:15. On the last day of December, sunrise is at 09:21 and sunset at 16:19 +10.
Sunshine
December has the least sunshine of the year in Ayan, with an average of 3.5h of sunshine.UV index
In December, the average daily maximum UV index in Ayan, Russia, is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ayan, Russia
- Average high temperature in December: -15.9°C
The warmest month (with the highest average high temperature) is August (16.8°C).
The month with the lowest average high temperature is January (-17.8°C).
- Average low temperature in December: -19.8°C
The month with the highest average low temperature is August (12.4°C).
The coldest months (with the lowest average low temperature) are January and February (-22.1°C).
Average pressure in December
Ayan, Russia
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is July (1007.7mbar).
Average wind speed in December
Ayan, Russia
- Average wind speed in December: 22km/h
The windiest month (with the highest average wind speed) is December (22km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).
Average humidity in December
Ayan, Russia
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Ayan, Russia
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is May (71mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in December
Ayan, Russia
- Average rainfall days in December: 1.5 days
The months with the highest number of rainy days are June and August (12.3 days).
The month with the least rainy days is February (0.3 days).
Average snowfall in December
Ayan, Russia
- Average snowfall in December: 71mm
The month with the highest snowfall is April (182mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ayan, Russia
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is April (13.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature in December
Ayan, Russia
- Average sea temperature in December: -1.6°C
The best month for swimming (with the highest average sea temperature) is August (14.4°C).
The coldest months (with the lowest average sea temperature) are January, February and March (-1.8°C).
Average daylight in December /
Average sunshine in December
Ayan, Russia
- Average daylight in December: 7h and 0min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Ayan, Russia
- Average sunshine days in December: 21 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is April (15 days).
Average UV index in December
Ayan, Russia
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is March (UV index 1).
Average cloud cover in December
Ayan, Russia
- Average cloud cover in December: 53
The month with the most cloud cover is April (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 43).
Average visibility in December
Ayan, Russia
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are April and May (8km).
