Irkutsk Weather in August
Average highs run from 26°C on August 1 to 20°C on August 31, and lows from 14°C to 8°C. Normal precipitation for the month is 81 mm over about 12 wet days.
August day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
August at a glance
- Average high
- 24°C
- Average low
- 12°C
- Precipitation
- 81 mm
- Reanalysis high
- 38°CAug 12, 2002
- Reanalysis low
- 0°CAug 28, 2017
- Daylight
- 15 h 31 min to 13 h 42 min
- Cloud cover
- 66%
- Humidity
- 67%
- Dew point
- 10°C
- Wind
- 10.4 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 26°C | 14°C | 33°C 2006 | 8°C 2004 | 46% |
| Aug 2 | 26°C | 14°C | 33°C 2016 | 10°C 1994 | 44% |
| Aug 3 | 25°C | 14°C | 33°C 2002 | 8°C 2010 | 43% |
| Aug 4 | 25°C | 13°C | 32°C 2011 | 6°C 2010 | 42% |
| Aug 5 | 25°C | 13°C | 33°C 2005 | 6°C 2002 | 42% |
| Aug 6 | 25°C | 13°C | 31°C 2005 | 10°C 1994 | 43% |
| Aug 7 | 25°C | 13°C | 34°C 2015 | 7°C 2010 | 41% |
| Aug 8 | 25°C | 13°C | 36°C 2015 | 6°C 2004 | 42% |
| Aug 9 | 25°C | 13°C | 33°C 2000 | 5°C 2004 | 42% |
| Aug 10 | 25°C | 13°C | 34°C 2000 | 7°C 2004 | 41% |
| Aug 11 | 24°C | 12°C | 36°C 2002 | 9°C 1993 | 41% |
| Aug 12 | 24°C | 12°C | 38°C 2002 | 8°C 2019 | 41% |
| Aug 13 | 24°C | 12°C | 37°C 2002 | 7°C 2005 | 40% |
| Aug 14 | 24°C | 12°C | 35°C 2002 | 6°C 2005 | 39% |
| Aug 15 | 24°C | 12°C | 32°C 2014 | 7°C 2005 | 38% |
| Aug 16 | 24°C | 12°C | 32°C 1995 | 7°C 2000 | 39% |
| Aug 17 | 23°C | 12°C | 33°C 2002 | 7°C 2020 | 39% |
| Aug 18 | 23°C | 11°C | 31°C 2011 | 5°C 2010 | 39% |
| Aug 19 | 23°C | 11°C | 34°C 2011 | 3°C 2010 | 40% |
| Aug 20 | 23°C | 11°C | 34°C 2011 | 5°C 2012 | 40% |
| Aug 21 | 23°C | 11°C | 33°C 2002 | 3°C 2012 | 39% |
| Aug 22 | 22°C | 11°C | 33°C 2015 | 6°C 2008 | 39% |
| Aug 23 | 22°C | 10°C | 30°C 2015 | 4°C 2008 | 38% |
| Aug 24 | 22°C | 10°C | 31°C 2015 | 3°C 2008 | 38% |
| Aug 25 | 22°C | 10°C | 31°C 1995 | 4°C 2004 | 38% |
| Aug 26 | 22°C | 10°C | 30°C 2001 | 4°C 2004 | 37% |
| Aug 27 | 22°C | 10°C | 32°C 2015 | 3°C 2017 | 38% |
| Aug 28 | 21°C | 9°C | 31°C 1993 | 0°C 2017 | 40% |
| Aug 29 | 21°C | 9°C | 28°C 2007 | 4°C 2017 | 40% |
| Aug 30 | 21°C | 9°C | 31°C 1993 | 4°C 2014 | 40% |
| Aug 31 | 20°C | 8°C | 31°C 2001 | 1°C 2014 | 39% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+8).
- August 1
- sunrise 5:23 AM, sunset 8:54 PM
- August 31
- sunrise 6:12 AM, sunset 7:54 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.