The weather of Irkutsk is one of the most extremes for its variation of temperatures between seasons. Irkutsk in the south averages -21 C. And experiences minimum temperatures as low as -40 C. Summers are short with mean temperatures of +17, +20 C. Closer to the Lake Baikal summer days are quite warmer +30, +35 C. Baikal actes as cold source during summer, and warm source during autumn and winter before it freezes over. The amount of precipitation through out the Eastern Siberia is not great, about 419 mm (186,5 inches) near Krasnoyarsk, and 458 mm (116,3 inches) in Irkutsk area. Occassionally there are periods when drought can be experienced.
If you want to come and visit us in Irkutsk, keep in mind that the coldest month is January(-20.9 C) and the hottest month is July (+20.6 C). However, for our guests the Russian-style cordiality of our ancient city always radiates the warmth and the light of its rich spiritual culture.
WEATHER AVERAGES FOR IRKUTSK