Irkutsk climate

Irkutsk Weather in January

NASA POWER reanalysis for the half-degree grid cell around Irkutsk, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from -17°C on January 1 to -15°C on January 31, and lows from -25°C to -25°C. Normal precipitation for the month is 9 mm over about 3 wet days.

January day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Irkutsk, in °C, with the record for each date.-50-40-30-20-100151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
-16°C
Average low
-25°C
Precipitation
9 mm
Reanalysis high
0°CJan 10, 2002
Reanalysis low
-49°CJan 21, 2018
Daylight
7 h 47 min to 9 h 01 min
Cloud cover
62%
Humidity
96%
Dew point
-21°C
Wind
10.1 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jan 1-17°C-25°C-5°C 1999-39°C 200010%
Jan 2-17°C-25°C-4°C 2002-42°C 200010%
Jan 3-17°C-25°C-4°C 2002-40°C 200110%
Jan 4-17°C-25°C-3°C 1995-40°C 20109%
Jan 5-17°C-25°C-3°C 2002-41°C 20019%
Jan 6-17°C-25°C-5°C 1995-43°C 20008%
Jan 7-17°C-25°C-6°C 1995-43°C 20018%
Jan 8-17°C-25°C-4°C 2003-42°C 20017%
Jan 9-17°C-25°C-5°C 2003-42°C 20017%
Jan 10-17°C-25°C0°C 2002-41°C 20018%
Jan 11-17°C-25°C-3°C 2003-44°C 20018%
Jan 12-17°C-25°C-8°C 1992-39°C 20017%
Jan 13-17°C-25°C-10°C 1992-37°C 20017%
Jan 14-17°C-25°C-8°C 1992-40°C 20068%
Jan 15-17°C-25°C-5°C 2007-45°C 20068%
Jan 16-17°C-25°C-6°C 2007-37°C 20068%
Jan 17-16°C-25°C-9°C 2005-36°C 20169%
Jan 18-16°C-25°C-8°C 2005-37°C 20168%
Jan 19-16°C-25°C-8°C 2015-39°C 20108%
Jan 20-16°C-25°C-7°C 2003-44°C 20189%
Jan 21-16°C-25°C-6°C 2003-49°C 20189%
Jan 22-16°C-25°C-7°C 2015-43°C 20189%
Jan 23-16°C-25°C-7°C 2019-34°C 20169%
Jan 24-16°C-25°C-7°C 1992-35°C 20189%
Jan 25-16°C-25°C-8°C 1996-37°C 20188%
Jan 26-16°C-25°C-7°C 2013-37°C 19998%
Jan 27-16°C-25°C-1°C 2013-38°C 19998%
Jan 28-16°C-25°C-4°C 2007-41°C 19998%
Jan 29-15°C-25°C-4°C 1993-39°C 20128%
Jan 30-15°C-25°C-6°C 2002-39°C 20128%
Jan 31-15°C-25°C-5°C 2002-43°C 20108%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Irkutsk, in percent.02468101102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

January 1
sunrise 9:13 AM, sunset 5:00 PM
January 31
sunrise 8:46 AM, sunset 5:47 PM

Every day of January: sun and moon

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.