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 Celsius

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 Millimeter

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 Dec 06
29°F | 8°F


TUE Dec 07
33°F | 8°F


WED Dec 08
25°F | 10°F

Heavy snow

The best time of year to visit Irkutsk in Russia

Here are some average weather facts we collected from our historical climate data:

  • 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).
  • The months of July and August have a high chance of precipitation.
  • Irkutsk has dry periods in January, February, March, April and December.
  • The coldest season / winter is in the months of January, February, November and December.
  • The warmest month is July with an average maximum temperature of 25°C (77°F).
  • The coldest month is January with an average maximum temperature of -13°C (8°F).
  • July is the most wet month. This month should be avoided if you are not a big fan of rain.
  • February is the driest month.
  • May is the most sunny month.
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.