Climate in Irkutsk (Irkutsk Region), Russia

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year

Weather Forecasts for Irkutsk (Irkutsk Region)

MON Jan 17
-7°C | -18°C
Moderate snow

Moderate snow

TUE Jan 18
-6°C | -15°C
Moderate or heavy snow showers

Moderate or heavy snow showers

WED Jan 19
-7°C | -17°C


The best time of year to visit Irkutsk in Russia

During the month of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F).

Other facts from our historical climate data:

  • Does Irkutsk have a dry season?
    Yes, the months January, February, March, April and December are very dry.
  • Which is the warmest month in Irkutsk?
    July has an average maximum temperature of 25°C (77°F) and is the warmest month of the year.
  • Which is the coldest month in Irkutsk?
    The coldest month is January with an average maximum temperature of -13°C (8°F).
  • Which is the wettest month in Irkutsk?
    July tops the wettest month list with 115mm (4.5in) of rainfall.
  • Which is the driest month in Irkutsk?
    February is the driest month with 8mm (0.3in) of precipitation.
  • Which is the sunniest month in Irkutsk?
    May is the sunniest month with an average of 267 hours of sunshine.

  • No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.