August weather forecast
Irkutsk, Russia

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Weather in August

The temperature dips from the yearly peak in July to 22.7°C (72.9°F). With the advent of August, Irkutsk experiences a gradual shift towards the refreshing autumn. Although the summer activities continue, the shorter daylight hours hint at the approaching change in seasons. The city’s natural landscape starts preparing for autumn, with an occasional flurry of leaves hinting at the beauty ahead. As we enter September, the full glory of autumn unfolds.

Temperature

The beginning of August in Irkutsk brings a minor change in the average high-temperature, shifting from a moderately hot 25.8°C (78.4°F) in July to a pleasant 22.7°C (72.9°F). In August, Irkutsk endures a notable temperature shift from day to night, with lows averaging at a chilly 9.8°C (49.6°F).

Humidity

The average relative humidity in August is 71%.

Rainfall

In Irkutsk, Russia, during August, the rain falls for 14.5 days and regularly aggregates up to 56mm (2.2") of precipitation. Throughout the year, there are 102.6 rainfall days, and 310mm (12.2") of precipitation is accumulated.

Snowfall

In Irkutsk, snow does not fall in June through August.

Daylight

In August, the average length of the day is 14h and 38min.
On the first day of the month, sunrise is at 05:24 and sunset at 20:54. On the last day of August, in Irkutsk, Russia, sunrise is at 06:12 and sunset at 19:53 +08.

Sunshine

The average sunshine in August is 9.5h.

UV index

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, an average UV index of 4 transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the usual temperature for Irkutsk in August?

In August, in Irkutsk, the average high-temperature is 22.7°C (72.9°F), and the average low-temperature is 9.8°C (49.6°F).

What is the average humidity in August in Irkutsk?

In August, the average relative humidity is 71%.

How many days does it rain in August in Irkutsk?

In August, in Irkutsk, the rain falls for 14.5 days. Throughout August, 56mm (2.2") of precipitation is accumulated.

When it does not snow in Irkutsk?

In Irkutsk, snow does not fall in June through August.

Does it snow in Irkutsk in August?

In Irkutsk, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August in Irkutsk?

In Irkutsk, Russia, the average day length in August is 14h and 38min.

When are sunrise and sunset in August in Irkutsk?

In August, on the first day of the month, sunrise is at 05:24 and sunset at 20:54. On the last day of the month, in Irkutsk, sunrise is at 06:12 and sunset at 19:53 +08.

How long on average sun shines in August in Irkutsk?

In August, the average sunshine duration is 9.5h.

What is the UV index intensity in August in Irkutsk?

The average daily maximum UV index in August in Irkutsk is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Irkutsk, Russia

Average temperature in August - Irkutsk, Russia
  • Average high temperature in August: 22.7°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-13.4°C).

  • Average low temperature in August: 9.8°C

The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is January (-23.8°C).

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Average pressure in August
Irkutsk, Russia

Average pressure in August - Irkutsk, Russia
  • Average pressure in August: 1011mbar

The month with the highest atmospheric pressure is January (1033.4mbar).
The month with the lowest atmospheric pressure is July (1006.6mbar).

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Average wind speed in August
Irkutsk, Russia

Average wind speed in August - Irkutsk, Russia
  • Average wind speed in August: 7.5km/h

The windiest month (with the highest average wind speed) is May (9.8km/h).
The calmest month (with the lowest average wind speed) is January (5.7km/h).

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Average humidity in August
Irkutsk, Russia

Average humidity in August - Irkutsk, Russia
  • Average humidity in August: 71%

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (54%).

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Average rainfall in August
Irkutsk, Russia

Average rainfall in August - Irkutsk, Russia
  • Average rainfall in August: 56mm

The wettest month (with the highest rainfall) is July (65mm).
The driest months (with the least rainfall) are January and February (7mm).

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Average rainfall days in August
Irkutsk, Russia

Average rainfall days in August - Irkutsk, Russia
  • Average rainfall days in August: 14.5 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (2.2 days).

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Average snowfall in August
Irkutsk, Russia

Average snowfall in August - Irkutsk, Russia
  • Average snowfall in August: 0mm

The month with the highest snowfall is March (123mm).
The months with the least snowfall are June, July and August (0mm).

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Average snowfall days in August
Irkutsk, Russia

Average snowfall days in August - Irkutsk, Russia
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (16.4 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in August /
Average sunshine in August
Irkutsk, Russia

Average daylight in August / Average sunshine in August - Irkutsk, Russia
  • Average daylight in August: 14h and 4min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in August: 9h and 3min

The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

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Average sunshine days in August
Irkutsk, Russia

Average sunshine days in August - Irkutsk, Russia
  • Average sunshine days in August: 14.9 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.2 days).

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Average UV index in August
Irkutsk, Russia

Average UV index in August - Irkutsk, Russia
  • Average UV index in August: 4

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in August
Irkutsk, Russia

Average cloud cover in August - Irkutsk, Russia
  • Average cloud cover in August: 34

The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in August
Irkutsk, Russia

Average visibility in August - Irkutsk, Russia
  • Average visibility in August: 9km

The month with the highest visibility is June (10km).
The month with the lowest visibility is January (4km).

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Irkutsk, Russia

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