December weather forecast
Ust-Yansk, Russia

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Weather in December

The first month of the winter, December, is still a life-threatening cold month in Ust-Yansk, Russia, with temperature in the range of an average high of -28.4°C (-19.1°F) and an average low of -32.8°C (-27°F).

Temperature

Ust-Yansk, Russia, in December experiences a subtle temperature decline, with average high-temperatures reducing from -21.6°C (-6.9°F) in November to a still dangerously cold -28.4°C (-19.1°F). Ust-Yansk's nighttime temperatures in December display a slight drop from daytime highs, averaging to a still dangerously cold -32.8°C (-27°F).

Humidity

In Ust-Yansk, the average relative humidity in December is 92%.

Rainfall

In Ust-Yansk, in December, during 0.4 rainfall days, 5mm (0.2") of precipitation is typically accumulated. In Ust-Yansk, Russia, during the entire year, the rain falls for 50.8 days and collects up to 150mm (5.91") of precipitation.

Snowfall

Months with snowfall are January through June, August through December. In Ust-Yansk, during December, snow falls for 12.2 days and regularly aggregates up to 32mm (1.26") of snow. Throughout the year, there are 116.7 snowfall days, and 483mm (19.02") of snow is accumulated.

Daylight

June, July and December, with an average of 0h and 0min of daylight, are months with the shortest days.

Sunshine

With an average of 0.2h of sunshine, December has the least sunshine of the year.

UV index

January through April, September, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 1 transforms into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Feb 10, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

How cold is it in Ust-Yansk in December?

An average high-temperature, in December, in Ust-Yansk, is -28.4°C (-19.1°F) and the average low-temperature is -32.8°C (-27°F).

What is the average humidity in December in Ust-Yansk?

In December, the average relative humidity in Ust-Yansk, Russia, is 92%.

How much does it rain in Ust-Yansk in December?

In Ust-Yansk, Russia, in December, during 0.4 rainfall days, 5mm (0.2") of precipitation is typically accumulated.

How many days does it snow in December in Ust-Yansk?

In December, in Ust-Yansk, it is snowing for 12.2 days. Throughout December, 32mm (1.26") of snow is accumulated.

What are the months with the shortest days in Ust-Yansk?

June, July and December, with an average of 0h and 0min of daylight, are months with the shortest days in Ust-Yansk.

How many hours of daylight does Ust-Yansk have in December?

In Ust-Yansk, Russia, the average day length in December is 0h and 0min.

What is the month with the least sunshine in Ust-Yansk?

With an average of 0.2h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Ust-Yansk have in December?

In Ust-Yansk, the average sunshine duration in December is 0.2h.

When is the lowest UV index in Ust-Yansk?

January through April, September, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in December in Ust-Yansk?

The average daily maximum UV index in December in Ust-Yansk is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ust-Yansk, Russia

Average temperature in December - Ust-Yansk, Russia
  • Average high temperature in December: -28.4°C

The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is February (-29.5°C).

  • Average low temperature in December: -32.8°C

The month with the highest average low temperature is July (7.7°C).
The coldest month (with the lowest average low temperature) is February (-34.7°C).

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Average pressure in December
Ust-Yansk, Russia

Average pressure in December - Ust-Yansk, Russia
  • Average pressure in December: 1023.8mbar

The month with the highest atmospheric pressure is December (1023.8mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).

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Average wind speed in December
Ust-Yansk, Russia

Average wind speed in December - Ust-Yansk, Russia
  • Average wind speed in December: 9.9km/h

The windiest month (with the highest average wind speed) is July (16km/h).
The calmest month (with the lowest average wind speed) is December (9.9km/h).

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Average humidity in December
Ust-Yansk, Russia

Average humidity in December - Ust-Yansk, Russia
  • Average humidity in December: 92%

The months with the highest relative humidity are February, April and November (93%).
The months with the lowest relative humidity are June and July (60%).

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Average rainfall in December
Ust-Yansk, Russia

Average rainfall in December - Ust-Yansk, Russia
  • Average rainfall in December: 5mm

The wettest month (with the highest rainfall) is August (23mm).
The driest months (with the least rainfall) are January, February and March (4mm).

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Average rainfall days in December
Ust-Yansk, Russia

Average rainfall days in December - Ust-Yansk, Russia
  • Average rainfall days in December: 0.4 days

The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is February (0.2 days).

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Average snowfall in December
Ust-Yansk, Russia

Average snowfall in December - Ust-Yansk, Russia
  • Average snowfall in December: 32mm

The month with the highest snowfall is May (109mm).
The month with the least snowfall is July (0mm).

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Average snowfall days in December
Ust-Yansk, Russia

Average snowfall days in December - Ust-Yansk, Russia
  • Average snowfall days in December: 12.2 days

The month with the highest number of snowfall days is May (16.5 days).
The month with the least snowfall days is July (0.4 days).

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Average daylight in December /
Average sunshine in December
Ust-Yansk, Russia

Average daylight in December / Average sunshine in December - Ust-Yansk, Russia
  • Average daylight in December: 0h and 0min

The month with the longest days is August (Average daylight: 18h and 48min).
The months with the shortest days are June, July and December (Average daylight: 0h and 0min).

  • Average sunshine in December: 0h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 0h and 12min).

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Average sunshine days in December
Ust-Yansk, Russia

Average sunshine days in December - Ust-Yansk, Russia
  • Average sunshine days in December: 20 days

The month with the most sunshine days is March (21.2 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in December
Ust-Yansk, Russia

Average UV index in December - Ust-Yansk, Russia
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, September, November and December (UV index 1).

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Average cloud cover in December
Ust-Yansk, Russia

Average cloud cover in December - Ust-Yansk, Russia
  • Average cloud cover in December: 72

The month with the most cloud cover is November (Cloud cover 77).
The month with the least cloud cover is June (Cloud cover 45).

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Average visibility in December
Ust-Yansk, Russia

Average visibility in December - Ust-Yansk, Russia
  • Average visibility in December: 6km

The months with the highest visibility are June and July (10km).
The months with the lowest visibility are February, April and December (6km).

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Ust-Yansk, Russia

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