When planning a visit to Irkutsk Region in Russia, it helps to know that temperatures typically range from -13°C (9°F) in January up to 25°C (77°F) during the peak of July. Our detailed climate overview is based on data from Irkutsk, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Irkutsk Region, during the months of June, July and August you can expect comfortable weather, with average temperatures ranging from 23°C (73°F) to 25°C (77°F).
The cooler season is during the months of January, February, March, October, November and December.
Precipitation in Irkutsk Region varies considerably throughout the year. The wettest conditions occur in August with 101 mm (4 in) of rain, while February stays relatively dry with 10 mm (0.4 in). January, February, March, November and December marks the driest time of year, with rainfall falling below 18 mm (0.7 in).
May is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
