Irkutsk in April
In April, Irkutsk averages 11°C (51°F) during the day and -2°C (28°F) at night, with around 13 days of rain (22 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
April in Irkutsk is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How April compares to the rest of the year in Irkutsk
April is in the middle of the year for warmth in Irkutsk (6th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 4°C above the annual average (7°C). April runs 10°C warmer than March (1°C) and warms a further 6°C into May (17°C).
April sunrise & sunset in Irkutsk
Times shown for Irkutsk local time (Asia/Irkutsk), calculated for the 15th of April. They shift by a few minutes day to day across the month.
Photography light in Irkutsk — April
Golden-hour and blue-hour windows for the 15th of April, in Irkutsk's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Irkutsk in April
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on April's tier (Shoulder) and Irkutsk's popularity.
Crowds & pricing — April in Irkutsk
Irkutsk is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — April in Irkutsk
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
🌬 Frosty nights — Irkutsk in April
Gear: Cold nights, milder days. Light insulated jacket fine for daytime, real coat for after dark.
Irkutsk in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -14°C / 6°F | -23°C / -9°F | 10 mm | 10 | — |
| February | -10°C / 14°F | -20°C / -4°F | 8 mm | 9 | — |
| March | 1°C / 34°F | -11°C / 13°F | 13 mm | 9 | — |
| April | 11°C / 51°F | -2°C / 28°F | 22 mm | 13 | — |
| May | 17°C / 62°F | 3°C / 38°F | 42 mm | 16 | — |
| June | 24°C / 74°F | 11°C / 51°F | 58 mm | 16 | — |
| July | 25°C / 77°F | 14°C / 57°F | 101 mm | 17 | — |
| August | 22°C / 72°F | 13°C / 55°F | 91 mm | 16 | — |
| September | 15°C / 60°F | 6°C / 43°F | 62 mm | 14 | — |
| October | 7°C / 45°F | -2°C / 29°F | 17 mm | 11 | — |
| November | -4°C / 24°F | -12°C / 10°F | 12 mm | 11 | — |
| December | -12°C / 10°F | -20°C / -5°F | 14 mm | 11 | — |
Other cities with similar April weather
🌍 See the full ranked list of climate twins for Irkutsk in April →
Frequently asked questions
How hot is Irkutsk in April?
In April, Irkutsk averages a high of 11°C (51°F) and a low of -2°C (28°F) — generally cool.
Does it rain a lot in Irkutsk in April?
April can be fairly wet in Irkutsk, with about 13 rainy days on average.
Is April a good time to visit Irkutsk?
April is cool. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Irkutsk in April?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full April packing list for Irkutsk for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.