Irkutsk, Irkutsk Oblast, Russia Climate Change Severity

48
High
The current climate change severity in Irkutsk is High, with a 5.5% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to May (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Irkutsk Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Irkutsk temperature has changed by around -25.2%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to May (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
309
-70%
cloudyCloudy
6024
-60%
rainyRainy
6333
-47.6%
snowySnowy
36
100%
mistyMisty
00
0%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 15 years, Irkutsk has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Irkutsk experienced significant changes:

Temperature change of

+1.4 °C

Variation in annual rainfall

-19.5 %

Change in average humidity

-6.4 %

PM2.5 levels surged by

+100 %

Heatwave changed by

+0.2 day(s)

Coldwave changed by

-2.5 day(s)

Wind speeds changed by

+1.1 km/h

These indicators show that Irkutsk is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to May

Irkutsk Weather Forecast 30 Days (August - September 2025)
Irkutsk, Irkutsk Oblast, Russia

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/10°
Humidity Icon80%
Wind Icon27km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/7°
Humidity Icon80%
Wind Icon21km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon21°/7°
Humidity Icon63%
Wind Icon10km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon25°/8°
Humidity Icon56%
Wind Icon12km/h
Thu. 14, Aug.
partly cloudyPartly Cloudy
Temperature Icon24°/9°
Humidity Icon56%
Wind Icon9km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon26°/9°
Humidity Icon60%
Wind Icon12km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon26°/11°
Humidity Icon64%
Wind Icon10km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/11°
Humidity Icon88%
Wind Icon5km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon27°/13°
Humidity Icon59%
Wind Icon8km/h
Tue. 19, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/14°
Humidity Icon74%
Wind Icon17km/h
Wed. 20, Aug.
partly cloudyPartly Cloudy
Temperature Icon23°/12°
Humidity Icon74%
Wind Icon19km/h
Thu. 21, Aug.
moderate rainModerate rain
Temperature Icon18°/10°
Humidity Icon93%
Wind Icon10km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/8°
Humidity Icon71%
Wind Icon21km/h
Sat. 23, Aug.
partly cloudyPartly Cloudy
Temperature Icon15°/5°
Humidity Icon67%
Wind Icon12km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/10°
Humidity Icon72%
Wind Icon13km/h
Mon. 25, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon20°/10°
Humidity Icon74%
Wind Icon12km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/10°
Humidity Icon72%
Wind Icon11km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/10°
Humidity Icon69%
Wind Icon11km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/9°
Humidity Icon73%
Wind Icon14km/h
Fri. 29, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon21°/9°
Humidity Icon71%
Wind Icon11km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/10°
Humidity Icon74%
Wind Icon12km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon22°/10°
Humidity Icon68%
Wind Icon11km/h
Mon. 1, Sep.
moderate rain at timesModerate rain at times
Temperature Icon22°/10°
Humidity Icon69%
Wind Icon13km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/10°
Humidity Icon71%
Wind Icon14km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/9°
Humidity Icon76%
Wind Icon14km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/7°
Humidity Icon73%
Wind Icon14km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/7°
Humidity Icon73%
Wind Icon15km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/7°
Humidity Icon72%
Wind Icon12km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/6°
Humidity Icon74%
Wind Icon13km/h
Mon. 8, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon18°/6°
Humidity Icon69%
Wind Icon13km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/7°
Humidity Icon69%
Wind Icon11km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 18, Aug.

26.5°C

Low will be onSat. 23, Aug.

4.8°C

HumidityHumidity

High will be onThu. 21, Aug.

93%

Low will be onWed. 13, Aug.

56%

Wind SpeedWind Speed

High will be onSun. 10, Aug.

27km/h

Low will be onSun. 17, Aug.

4.7km/h

PrecipitationPrecipitation

High will be onThu. 21, Aug.

5.2mm

Low will be onWed. 20, Aug.

0.02mm

Ultraviolet IndexUV

High will be onThu. 14, Aug.

5

Low will be onMon. 11, Aug.

0.8

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