Chennai, Tamil Nadu, India Climate Change Severity

57
High
The current climate change severity in Chennai is High, with a 27.5% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Chennai Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Chennai temperature has changed by around -2.3%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to May (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
7585
13.3%
cloudyCloudy
3030
0%
rainyRainy
4432
-27.2%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Chennai has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (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

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Chennai experienced significant changes:

Temperature change of

-0.67 °C

Variation in annual rainfall

-66.72 %

Change in average humidity

+0.29 %

PM2.5 levels surged by

+32.1 %

Heatwave changed by

-2 Days

Coldwave changed by

-1 Day

Wind speeds changed by

+4.51 km/h

These indicators show that Chennai 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

Chennai Weather Forecast 30 Days (June - July 2026)
Chennai, Tamil Nadu, India

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 3, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon36°/29°
Humidity Icon61%
Wind Icon26.6km/h
Thu. 4, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon37°/30°
Humidity Icon54%
Wind Icon21.6km/h
Fri. 5, Jun.
partly cloudyPartly Cloudy
Temperature Icon39°/31°
Humidity Icon49%
Wind Icon27km/h
Sat. 6, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon38°/31°
Humidity Icon47%
Wind Icon25.6km/h
Sun. 7, Jun.
sunnySunny
Temperature Icon38°/31°
Humidity Icon47%
Wind Icon29.9km/h
Mon. 8, Jun.
partly cloudyPartly Cloudy
Temperature Icon39°/31°
Humidity Icon43%
Wind Icon24.8km/h
Tue. 9, Jun.
partly cloudyPartly Cloudy
Temperature Icon39°/31°
Humidity Icon45%
Wind Icon28.4km/h
Wed. 10, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon38°/31°
Humidity Icon50%
Wind Icon28.8km/h
Thu. 11, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon36°/29°
Humidity Icon56%
Wind Icon23km/h
Fri. 12, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon36°/29°
Humidity Icon57%
Wind Icon22.7km/h
Sat. 13, Jun.
moderate rain at timesModerate rain at times
Temperature Icon36°/29°
Humidity Icon56%
Wind Icon22.3km/h
Sun. 14, Jun.
heavy rain at timesHeavy rain at times
Temperature Icon36°/29°
Humidity Icon56%
Wind Icon22.7km/h
Mon. 15, Jun.
heavy rain at timesHeavy rain at times
Temperature Icon36°/29°
Humidity Icon56%
Wind Icon23km/h
Tue. 16, Jun.
moderate rain at timesModerate rain at times
Temperature Icon35°/29°
Humidity Icon57%
Wind Icon22km/h
Wed. 17, Jun.
heavy rain at timesHeavy rain at times
Temperature Icon36°/29°
Humidity Icon56%
Wind Icon23km/h
Thu. 18, Jun.
heavy rain at timesHeavy rain at times
Temperature Icon35°/29°
Humidity Icon58%
Wind Icon22.3km/h
Fri. 19, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon59%
Wind Icon22km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon59%
Wind Icon21.6km/h
Sun. 21, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon36°/28°
Humidity Icon57%
Wind Icon21.2km/h
Mon. 22, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/29°
Humidity Icon57%
Wind Icon20.9km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/29°
Humidity Icon58%
Wind Icon21.6km/h
Wed. 24, Jun.
heavy rain at timesHeavy rain at times
Temperature Icon35°/28°
Humidity Icon58%
Wind Icon20.9km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon57%
Wind Icon21.2km/h
Fri. 26, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/29°
Humidity Icon56%
Wind Icon21.6km/h
Sat. 27, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon57%
Wind Icon20.9km/h
Sun. 28, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon58%
Wind Icon21.6km/h
Mon. 29, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/29°
Humidity Icon59%
Wind Icon20.9km/h
Tue. 30, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon60%
Wind Icon21.2km/h
Wed. 1, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon60%
Wind Icon21.6km/h
Thu. 2, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon34°/28°
Humidity Icon59%
Wind Icon20.9km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon34°/28°
Humidity Icon60%
Wind Icon20.5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 5, Jun.

39°C

Low will be onFri. 19, Jun.

28°C

HumidityHumidity

High will be onWed. 3, Jun.

61%

Low will be onMon. 8, Jun.

43%

Wind SpeedWind Speed

High will be onSun. 7, Jun.

29.9km/h

Low will be onFri. 3, Jul.

20.5km/h

PrecipitationPrecipitation

High will be onThu. 11, Jun.

5.3mm

Low will be onWed. 10, Jun.

0.01mm

Ultraviolet IndexUV

High will be onSat. 6, Jun.

11.6

Low will be onWed. 10, Jun.

7

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