Weather & Climate in Ust’-Ilimsk, Russia

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Ust’-Ilimsk has a cool climate with an average annual temperature of 28°F (-2°C). Winters average -10°F in January while summers reach 64°F in July / a wide seasonal temperature swing of 74°F. The area gets 309 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 14.8 inches (drier than the 38-inch national average). The area receives 5.8 inches of snow annually. The city sits at an elevation of 912 feet.

Temperature

-10°F Jan (-23°C) 64°F Jul (18°C)

Annual Average	27.7°F
	49% below US avg
January Average	-10°F (-23°C)
July Average	64°F (18°C)
Sunny Days	309 days/yr

Geography

Elevation	912 ft (278 m)
Area	88.4 sq mi (229.0 km²)
Population Density	1,134/sq mi
Coordinates	58.0006°N, 102.6619°W
Timezone	Asia/Irkutsk

Precipitation & Snow

Annual Rainfall 14.8"

61% below US avg

Snowfall 5.8"

Wettest Month (Jul) 2.36"

Driest Month (Feb) 0.47"

Air Quality

Earthquake History

1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.

Jan 17, 2014	86 km NNW of Ust’-Ilimsk, Russia	M4.6	86 km	14 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	-10°F (-23°C)	0.7 in	Coldest
February	-5°F (-20°C)	0.5 in	Driest
March	12°F (-11°C)	0.5 in
April	30°F (-1°C)	1.0 in
May	46°F (8°C)	1.3 in
June	59°F (15°C)	1.8 in
July	64°F (18°C)	2.4 in	Warmest, Wettest
August	58°F (15°C)	2.2 in
September	45°F (7°C)	1.3 in
October	28°F (-2°C)	1.3 in
November	9°F (-13°C)	1.0 in
December	-4°F (-20°C)	0.8 in

Ust’-Ilimsk has a seasonal temperature swing of 74°F / from -10°F in January to 64°F in July. Total annual precipitation is 14.8 inches, with July being the wettest month (2.4") and February the driest (0.5").

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