Ust’-Kut Weather in July

What's the weather like in Ust’-Kut (Irkutsk) in July 2025?

The climate in Ust’-Kut during July can be summarized as mild and reasonably dry.

July is in the summer in Ust’-Kut and is typically the warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 10°C (50°F) is normal.

Ust’-Kut weather averages (imperial / metric)
Daytime temperature 23.9°C 74.9°F
Nightly temperature 10°C 49.9°F
Average temperature 16.9°C 62.4°F
Daily sunshine 9.3 hrs
Avg rainfall 72 mm 2.8 ins
Rainy days 14 days
Sea temperature 9.9°C 49.8°F
Humidity 71%
Windspeed 5.8kph 4 mph

On average July is the wettest month of the year in Ust’-Kut with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

July temperatures in Ust’-Kut

Ust’-Kut average temperature in July

July rainfall

Ust’-Kut average rain in July

July hourly sunshine

Ust’-Kut average rain in July

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ust’-Kut in July 2025.

Other monthly averages

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UV index Best time to go?

Ust’-Kut weather stats

Ust’-Kut weather statistics
Hottest month: July 23.5°C 74.3°F
Driest month: March 12mm 0.5ins
Sunniest month: June 10.4hrs
Coldest month: January -22°C -7.6°F
Wettest month: July 72mm 2.8ins
Map showing location of Ust’-Kut (56.7938, 105.7672) Ust’-Kut map pin © Google

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