

Irkutsk
Irkutsk is a city in Irkutsk Oblast, Russia, 415 m above sea level. It has a population of about 605,708 (2025). The climate is classified as monsoon-influenced warm-summer continental (Köppen Dwb), with dry, cold winters and wet summers.
Best: May–Jun · Aug. Warmth, sunshine and dry days, month by month.
Irkutsk at a glance
The months with the highest weather score
Average high in July
Average low in January
106 mm of rain
8 mm of rain
within 2.4 km
How Irkutsk has grown
People living in the built-up area (100 km² today), every five years since 1975; 2030 is the projection.
-7%467k in 1975 → 435k in 2025Weather in Irkutsk
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Cloudy · wind 15 km/h · humidity 87%
When to go to Irkutsk
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 47 | 49 | 44 | 39 | 66 | 65 | 62 | 65 | 57 | 40 | 41 | 41 |
| High | -14° | -8° | 0° | 8° | 17° | 22° | 24° | 21° | 15° | 7° | -3° | -11° |
| Low | -24° | -21° | -13° | -3° | 4° | 10° | 14° | 12° | 6° | -1° | -11° | -20° |
| Rain (mm) | 12 | 8 | 11 | 17 | 34 | 72 | 106 | 86 | 48 | 20 | 18 | 14 |
| Wet days | 3 | 2 | 4 | 6 | 10 | 12 | 14 | 13 | 10 | 6 | 5 | 5 |
What's on in Irkutsk
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Irkutsk
More museums: Geologial Museum · Городской Выставочный Центр им. В.С.Рогаля · Irkutsk Regional Historical and Memorial Museum of the Decembrist Trubetskoi's Manor · Иркутск - Окно в Азию · Иркутский областной художественный музей им. В. П. Сукачёва · Музей · Музей "На свалке" · Музей В.Г. Распутина · Музей Мусора · Museum of Urban Life · Museum of the history of the city of Irkutsk · Museum of Vintage motorcycles and Antiques of USSR
Outdoors around Irkutsk
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Irkutsk
Wildlife in October
The birds and mammals of Russia seen most this month, compared with the rest of their year.
The sky over Irkutsk
Earthquakes around Irkutsk
The last 30 days within 300 km, and the record since 1950.
Strongest nearby since 1950
Universities and research institutes
Towns and villages around Irkutsk
Each with its own page: weather, climate and the best time to visit.
Irkutsk from above
Postal codes
Getting to Irkutsk
Places near Irkutsk
Places with a climate like Irkutsk
Matched month by month on temperature, rain and sunshine.
