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 Icon35°/28°
Humidity Icon66%
Wind Icon27.4km/h
Thu. 4, Jun.
partly cloudyPartly Cloudy
Temperature Icon36°/29°
Humidity Icon58%
Wind Icon26.6km/h
Fri. 5, Jun.
partly cloudyPartly Cloudy
Temperature Icon38°/31°
Humidity Icon49%
Wind Icon27.7km/h
Sat. 6, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon37°/30°
Humidity Icon52%
Wind Icon26.6km/h
Sun. 7, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon37°/29°
Humidity Icon52%
Wind Icon28.8km/h
Mon. 8, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon36°/31°
Humidity Icon51%
Wind Icon31.3km/h
Tue. 9, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon36°/29°
Humidity Icon54%
Wind Icon24.1km/h
Wed. 10, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon36°/30°
Humidity Icon50%
Wind Icon27.7km/h
Thu. 11, Jun.
partly cloudyPartly Cloudy
Temperature Icon35°/30°
Humidity Icon52%
Wind Icon28.4km/h
Fri. 12, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon36°/29°
Humidity Icon57%
Wind Icon23.4km/h
Sat. 13, Jun.
moderate rain at timesModerate rain at times
Temperature Icon36°/29°
Humidity Icon57%
Wind Icon23km/h
Sun. 14, Jun.
heavy rain at timesHeavy rain at times
Temperature Icon36°/29°
Humidity Icon56%
Wind Icon23.4km/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 Icon36°/29°
Humidity Icon57%
Wind Icon22.7km/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 Icon23.4km/h
Fri. 19, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon60%
Wind Icon23km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon59%
Wind Icon22.7km/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 Icon36°/29°
Humidity Icon57%
Wind Icon22km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon58%
Wind Icon22.7km/h
Wed. 24, Jun.
heavy rain at timesHeavy rain at times
Temperature Icon35°/28°
Humidity Icon58%
Wind Icon22.3km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon57%
Wind Icon22.7km/h
Fri. 26, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/29°
Humidity Icon57%
Wind Icon22.3km/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°/28°
Humidity Icon59%
Wind Icon21.2km/h
Tue. 30, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon35°/28°
Humidity Icon60%
Wind Icon21.6km/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 Icon22km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon34°/28°
Humidity Icon59%
Wind Icon21.2km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 5, Jun.

38°C

Low will be onWed. 3, Jun.

28°C

HumidityHumidity

High will be onWed. 3, Jun.

66%

Low will be onFri. 5, Jun.

49%

Wind SpeedWind Speed

High will be onMon. 8, Jun.

31.3km/h

Low will be onSat. 27, Jun.

20.9km/h

PrecipitationPrecipitation

High will be onFri. 19, Jun.

5.9mm

Low will be onThu. 11, Jun.

0.06mm

Ultraviolet IndexUV

High will be onSat. 6, Jun.

11.7

Low will be onMon. 8, Jun.

7

Our Blogs

See all blogs
Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

Gyane Haobijam2 Jun 2026
What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

AQI Team27 May 2026
World Top Hottest Cities Belong to India - April 2026

World Top Hottest Cities Belong to India - April 2026

AQI Team28 Apr 2026
Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Gyane Haobijam27 Mar 2026
Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Gyane Haobijam17 Mar 2026
Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Gyane Haobijam14 Feb 2026
Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Navya12 Feb 2026
Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Gyane Haobijam2 Feb 2026
Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Gyane Haobijam1 Feb 2026
Shocking Air Quality Data Reveals Hazardous Pollution in Baramulla’s Khawaja Bagh, Shattering the ‘Clean Air’ Myth of Jammu & Kashmir

Shocking Air Quality Data Reveals Hazardous Pollution in Baramulla’s Khawaja Bagh, Shattering the ‘Clean Air’ Myth of Jammu & Kashmir

Gyane Haobijam29 Jan 2026