Irkutsk Average Temperature by Month

This page shows the average temperature in each month of the year in Irkutsk, Russia. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Irkutsk?
In Irkutsk, Russia, the warmest month is July, with an average daily high temperature of 25.7 °C and an average low of 13.4 °C.
What's the Coldest Month in Irkutsk?
In Irkutsk, Russia, the coolest month is January, with an average daily high temperature of -12.9 °C and an average low of -21.6 °C.
Month Avg. High Avg. Low
January -12.9 °C -21.6 °C
February -7.6 °C -19.1 °C
March 1.0 °C -11.4 °C
April 10.3 °C -2.0 °C
May 18.1 °C 3.7 °C
June 23.8 °C 10.1 °C
July 25.7 °C 13.4 °C
August 22.8 °C 11.4 °C
September 16.0 °C 4.5 °C
October 7.9 °C -2.4 °C
November -3.1 °C -11.6 °C
December -10.8 °C -19.0 °C
Year 7.7 °C -3.6 °C
Weather Station Details
Years Station Coordinates
1882–2024 Irkutsk location
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