Irkutsk weather in July
July in Irkutsk: warm, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Irkutsk · #157 of 604 destinations to visit in July · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Irkutsk climate normals — July
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 14°C / 58°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 100 mm / 3.9 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 13°C / 56°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 16.2 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Irkutsk in July — FAQ
- Is July a good time to visit Irkutsk?
- July in Irkutsk: warm, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Irkutsk on SeasonMap's comfort score (87/100).
- What is the weather like in Irkutsk in July?
- In July, Irkutsk averages a daily high of 24.6°C and a low of 14.4°C, with about 99.9 mm of rain over roughly 9.8 rainy days.
- What is the air quality in Irkutsk in July?
- Irkutsk has a mean US Air Quality Index of about 44 in July.