Chennai, Tamil Nadu, India Climate Change Severity

57
High
The current climate change severity in Chennai is High, with a 31.2% 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 Jun. (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 -2.2%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
7687
14.4%
cloudyCloudy
3937
-5.1%
rainyRainy
6153
-13.1%
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

-0.64 °C

Variation in annual rainfall

-56.62 %

Change in average humidity

+1.54 %

PM2.5 levels surged by

+27.51 %

Heatwave changed by

-3 Days

Coldwave changed by

-2 Days

Wind speeds changed by

+4.72 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 Jun.

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

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sat. 18, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/29°
Humidity Icon56%
Wind Icon24.8km/h
Sun. 19, Jul.
partly cloudyPartly Cloudy
Temperature Icon35°/29°
Humidity Icon58%
Wind Icon20.2km/h
Mon. 20, Jul.
partly cloudyPartly Cloudy
Temperature Icon36°/29°
Humidity Icon56%
Wind Icon23km/h
Tue. 21, Jul.
partly cloudyPartly Cloudy
Temperature Icon36°/29°
Humidity Icon55%
Wind Icon22km/h
Wed. 22, Jul.
sunnySunny
Temperature Icon34°/29°
Humidity Icon65%
Wind Icon24.5km/h
Thu. 23, Jul.
sunnySunny
Temperature Icon33°/29°
Humidity Icon63%
Wind Icon22km/h
Fri. 24, Jul.
sunnySunny
Temperature Icon34°/29°
Humidity Icon63%
Wind Icon23.8km/h
Sat. 25, Jul.
thundery outbreaks possibleThundery outbreaks in nearby
Temperature Icon34°/28°
Humidity Icon65%
Wind Icon24.5km/h
Sun. 26, Jul.
partly cloudyPartly Cloudy
Temperature Icon35°/29°
Humidity Icon61%
Wind Icon23km/h
Mon. 27, Jul.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon60%
Wind Icon20.8km/h
Tue. 28, Jul.
moderate or heavy rain showerRain Showers
Temperature Icon34°/27°
Humidity Icon61%
Wind Icon20.6km/h
Wed. 29, Jul.
moderate or heavy rain showerRain Showers
Temperature Icon34°/27°
Humidity Icon61%
Wind Icon21.3km/h
Thu. 30, Jul.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon61%
Wind Icon21.6km/h
Fri. 31, Jul.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon61%
Wind Icon22.1km/h
Sat. 1, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon60%
Wind Icon22km/h
Sun. 2, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon60%
Wind Icon20.8km/h
Mon. 3, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon61%
Wind Icon20.6km/h
Tue. 4, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon62%
Wind Icon20.2km/h
Wed. 5, Aug.
heavy rain at timesHeavy Rain
Temperature Icon34°/27°
Humidity Icon61%
Wind Icon21.5km/h
Thu. 6, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon61%
Wind Icon20.8km/h
Fri. 7, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon60%
Wind Icon20.4km/h
Sat. 8, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/28°
Humidity Icon62%
Wind Icon20.1km/h
Sun. 9, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/27°
Humidity Icon63%
Wind Icon20.1km/h
Mon. 10, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon33°/27°
Humidity Icon64%
Wind Icon19.4km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/27°
Humidity Icon63%
Wind Icon19.4km/h
Wed. 12, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon34°/27°
Humidity Icon65%
Wind Icon19.7km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon33°/27°
Humidity Icon66%
Wind Icon19.9km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon33°/27°
Humidity Icon67%
Wind Icon19.5km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon33°/27°
Humidity Icon68%
Wind Icon20km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon33°/27°
Humidity Icon67%
Wind Icon19.6km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon33°/27°
Humidity Icon67%
Wind Icon19.2km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 20, Jul.

36°C

Low will be onTue. 28, Jul.

27°C

HumidityHumidity

High will be onSat. 15, Aug.

68%

Low will be onTue. 21, Jul.

55%

Wind SpeedWind Speed

High will be onSat. 18, Jul.

24.8km/h

Low will be onMon. 17, Aug.

19.2km/h

PrecipitationPrecipitation

High will be onThu. 23, Jul.

10.8mm

Low will be onWed. 22, Jul.

0.2mm

Ultraviolet IndexUV

High will be onMon. 20, Jul.

11

Low will be onSun. 9, Aug.

6

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