Irkutsk in July

In July, Irkutsk averages 25°C (77°F) during the day and 14°C (57°F) at night, with frequent rain — about 17 days of the month see precipitation (101 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.

July offers comfortable temperatures in Irkutsk, with some rain to plan around.

25°C
Avg high
14°C
Avg low
17
Rain days
101 mm
Rainfall

How July compares to the rest of the year in Irkutsk

1st
warmest month of the 12
1st
wettest month of the 12
22%
of yearly rainfall falls in July
16 h 20 min
daylight on the 15th

July is one of the warmest months in Irkutsk (1st of 12) and one of the wettest months (1st of 12). Daytime temperature runs 18°C above the annual average (7°C). July runs 1°C warmer than June (24°C) and cools 2°C in August (22°C).

July sunrise & sunset in Irkutsk

🌅
Sunrise (15th)
4:58 AM
🌇
Sunset (15th)
9:18 PM
Day length
16 h 20 min

Times shown for Irkutsk local time (Asia/Irkutsk), calculated for the 15th of July. They shift by a few minutes day to day across the month.

Photography light in Irkutsk — July

Golden-hour and blue-hour windows for the 15th of July, in Irkutsk's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
3:58 AM – 4:38 AM
🌄 Golden hour (AM)
4:38 AM – 5:38 AM
🌇 Golden hour (PM)
8:38 PM – 9:38 PM
🌆 Blue hour (PM)
9:38 PM – 10:18 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Irkutsk in July

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 July's tier (High season) and Irkutsk's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — July in Irkutsk

High season

This is a busy month in Irkutsk — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: comfortable tourism weather Northern Hemisphere summer holidays

Sun & mosquito risk — July in Irkutsk

☀️ UV Index (noon, 15th)
10.6
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

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.

Irkutsk in other months

MonthAvg highAvg lowRainfallRain daysSnow 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 July weather

🌍 See the full ranked list of climate twins for Irkutsk in July →

Frequently asked questions

How hot is Irkutsk in July?

In July, Irkutsk averages a high of 25°C (77°F) and a low of 14°C (57°F) — generally warm.

Does it rain a lot in Irkutsk in July?

July is quite rainy in Irkutsk, with about 17 rainy days on average.

Is July a good time to visit Irkutsk?

July is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Irkutsk in July?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full July packing list for Irkutsk for a complete, climate-based checklist.

Open Irkutsk on the interactive map

Check the live 10-day forecast and sunrise/sunset.