Irkutsk weather in April
April in Irkutsk: cold, dry, with clean air — a great time to visit.
#6 of 12 months in Irkutsk · #427 of 604 destinations to visit in April · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Irkutsk climate normals — April
| Daytime high | 10°C / 49°F | 🧥 cold |
|---|---|---|
| Nighttime low | -2°C / 28°F | |
| Feels like (high) | 6°C / 43°F | |
| Rainfall | 19 mm / 0.7 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 52% | 🍃 comfortable |
| Dew point | -8°C / 17°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 13.9 h | |
| Wind | 17 km/h / 10 mph | |
| Snowfall | 9.9 cm / 3.9 in | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Irkutsk in April — FAQ
- Is April a good time to visit Irkutsk?
- April in Irkutsk: cold, dry, with clean air — a great time to visit. It ranks #6 of 12 months for Irkutsk on SeasonMap's comfort score (73/100).
- What is the weather like in Irkutsk in April?
- In April, Irkutsk averages a daily high of 9.5°C and a low of -2.4°C, with about 18.7 mm of rain over roughly 5.2 rainy days.
- What is the air quality in Irkutsk in April?
- Irkutsk has a mean US Air Quality Index of about 46 in April.
- Does it snow in Irkutsk in April?
- Irkutsk sees roughly 9.9 cm of snowfall in April.