Ust'-Ilimsk Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ust'-Ilimsk.
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Climate overview of Ust'-Ilimsk
The climate in Ust'-Ilimsk, Irkutsk Region, Russia, is marked by large temperature swings across the seasons, ranging from 25°C (77°F) in July to -18°C (0°F) in January.
Ust'-Ilimsk sees a moderate amount of rain/snowfall, totalling around 525 mm (21 in) per year. It experiences a distinct dry season from December to April, with warm summers and very cold winters, creating some seasonal variation.
Ust'-Ilimsk Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ust'-Ilimsk - and find the best time to visit.
Monthly Temperature in Ust'-Ilimsk
In Ust'-Ilimsk, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in July, the warmest time of the year, to a very cold -18°C (0°F) during cooler months like January.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around -26°C (-15°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ust'-Ilimsk
On average, Ust'-Ilimsk receives a reasonable amount of rain/snowfall, with an annual precipitation of 525 mm (21 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives moderate rainfall, averaging 63 mm (2.5 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month February brings less snowfall, with 25 mm (1 in) over 13 snowy days. For more details, please visit our Ust'-Ilimsk Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Ust'-Ilimsk
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July
- Seasonal pattern: A distinct dry season from December to April, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -26°C (-15°F).
Frequently asked questions about the climate in Ust'-Ilimsk
What is the best time to visit Ust'-Ilimsk?
June, July and August typically offer the most optimal weather in Ust'-Ilimsk. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Ust'-Ilimsk has a distinct dry season from December to April, with warm summers and very cold winters.
What temperatures can I expect in Ust'-Ilimsk?
Daytime highs range from -18°C (0°F) in January to 25°C (77°F) in July. Nighttime lows range from -26°C (-15°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Ust'-Ilimsk get?
Annual rainfall is around 525 mm (21 in). July is the wettest month with 63 mm (2.5 in), while February is the driest with 25 mm (1 in).
Ust'-Ilimsk 3-Day Forecast
Ust'-Ilimsk on the map
Ust'-Ilimsk is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Gelendzhik24°C (75°F) Anapa
24°C (75°F) Sochi24°C (75°F) Adler24°C (75°F) Moscow
17°C (63°F) Kazan17°C (63°F) Saint Petersburg
16°C (61°F) Yekaterinburg15°C (59°F) 
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