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Weather & Climate in Istok, Russia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Istok has a cool climate with an average annual temperature of 31°F (-0°C). Winters average -0°F in January while summers reach 60°F in July. The area gets 312 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 13.0 inches (drier than the 38-inch national average). The area receives 2.6 inches of snow annually. The city sits at an elevation of 1,486 feet.
Temperature
-0°F Jan (-18°C)
60°F Jul (16°C)
| Annual Average | 31.4°F |
| 42% below US avg | |
| January Average | -0°F (-18°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 312 days/yr |
Geography
| Elevation | 1,486 ft (453 m) |
| Area | 223.2 sq mi (578.0 km²) |
| Population Density | 14/sq mi |
| Coordinates | 52.0953°N, 106.2475°W |
| Timezone | Asia/Irkutsk |
Precipitation & Snow
Air Quality
Earthquake History
55 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| Feb 25, 1999 | 13 km N of Rechka-Vydrino, Russia | M5.9 | 110 km | 10 km |
| Oct 10, 2001 | 41 km SSE of Yelantsy, Russia | M5.2 | 54 km | 10 km |
| Jun 8, 2022 | Lake Baykal region, Russia | M5.2 | 39 km | 10 km |
| Feb 25, 1999 | 17 km NNW of Rechka-Vydrino, Russia | M5.1 | 115 km | 10 km |
| Feb 26, 1999 | 17 km NW of Tankhoy, Russia | M5.0 | 102 km | 10 km |
| May 31, 2000 | 18 km SSE of Listvyanka, Russia | M5.0 | 101 km | 10 km |
| Jul 13, 1993 | 22 km NE of Istok, Russia | M4.8 | 22 km | 24 km |
| May 12, 1991 | 22 km ENE of Tankhoy, Russia | M4.8 | 76 km | 33 km |
| Feb 27, 1999 | 10 km NE of Tankhoy, Russia | M4.7 | 87 km | 10 km |
| Feb 25, 1999 | 18 km N of Rechka-Vydrino, Russia | M4.7 | 109 km | 10 km |
| Jul 28, 2002 | 30 km W of Turka, Russia | M4.7 | 142 km | 10 km |
| Nov 3, 2017 | 47 km N of Turuntayevo, Russia | M4.6 | 111 km | 19 km |
| Feb 10, 1999 | 18 km SSE of Listvyanka, Russia | M4.6 | 99 km | 10 km |
| Jan 12, 2012 | 21 km E of Babushkin, Russia | M4.5 | 39 km | 10 km |
| Oct 14, 2011 | 47 km N of Turuntayevo, Russia | M4.5 | 109 km | 10 km |
| Sep 30, 1998 | 51 km S of Khuzhir, Russia | M4.5 | 98 km | 10 km |
| Feb 3, 2016 | Lake Baykal region, Russia | M4.5 | 127 km | 10 km |
| Feb 10, 1999 | 14 km NNW of Tankhoy, Russia | M4.5 | 94 km | 10 km |
| Sep 5, 2015 | 22 km W of Istok, Russia | M4.5 | 23 km | 14 km |
| Mar 6, 1999 | 12 km NNW of Rechka-Vydrino, Russia | M4.4 | 117 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -0°F (-18°C) | 0.3 in | Coldest |
| February | 2°F (-17°C) | 0.2 in | Driest |
| March | 16°F (-9°C) | 0.2 in | |
| April | 32°F (-0°C) | 0.4 in | |
| May | 44°F (7°C) | 0.8 in | |
| June | 54°F (12°C) | 2.0 in | |
| July | 60°F (16°C) | 3.2 in | Warmest, Wettest |
| August | 59°F (15°C) | 2.9 in | |
| September | 47°F (9°C) | 1.7 in | |
| October | 34°F (1°C) | 0.6 in | |
| November | 20°F (-7°C) | 0.5 in | |
| December | 9°F (-13°C) | 0.5 in |
Istok has a seasonal temperature swing of 61°F / from -0°F in January to 60°F in July. Total annual precipitation is 13.0 inches, with July being the wettest month (3.2") and February the driest (0.2").