Chennai Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Chennai Weather Trend Graph


Temperature (°C)
.
Months
Max Temp.
Historic Max Temp.
Min Temp.
Historic Min Temp.

Yearly Summary 2026


39°C
Highest Temp
20 May 26

20°C
Lowest Temp
19 Jan. 26


Seasonal Breakdown

Hottest MonthJuly34.9°C

Coldest MonthJanuary22.16°C

Wettest MonthJune1.47mm

Windiest MonthApril29.65km/h

Frequently Asked Questions


1. What is the hottest month in Chennai historically?

May is historically Chennai's hottest month, with average maximum temperatures around 36°C. During peak heatwave events, the highest recorded temperatures have reached 41°C on 2017-05-18.

2. What is the coldest month in Chennai historically?

January is Chennai's coldest month, with average minimum temperatures around 22°C. The all-time record low of 16°C was recorded on 2012-01-18.

3. What is the average annual rainfall in Chennai over the past 17 years?

Chennai's average annual rainfall is approximately 1216.3mm, based on records spanning 17 years.

4. How many rainy days does Chennai experience on average per year?

Chennai historically records approximately 201.5 rainy days per year. November has the highest number of rain days at an average of 22.5 days.

5. What is the all-time highest temperature ever recorded in Chennai?

The all-time highest temperature recorded in Chennai is 41°C on 2017-05-18.

6. What is the all-time lowest temperature ever recorded in Chennai?

The all-time lowest temperature recorded in Chennai is 16°C on 2012-01-18.

7. What is the windiest time of year in Chennai historically?

Chennai experiences its strongest winds during May. The historic gust record of 61.5 kph was recorded on 2016-12-12.

8. What is the highest and lowest humidity in Chennai during a year?

Usually, Chennai's humidity peaks in November at around 76.6% and drops to its lowest in June at approximately 57.7%.