Peak score
8.7/10
Best months in Chennai, India
Best Time to Visit Chennai, India
Climate guide for Chennai, India — updated 2026
Travel window January, February, December Peak: January · 8.7/10 climate score
Months to avoid May, June, September, October
Chennai on the map · best months to visit
Chennai, India
- Best monthsJanuary, February, December
- Avoid monthsMay, June, September, October
- Visit score now2/10
- Coordinates
- 13.09°, 80.28°
Quick answer
Plan your trip for January, February, December. Expect average highs near 29°C, lows near 22°C, and about 5 rainy days a month. Skip May, June, September, October when extreme heat, frequent rain, oppressive humidity sets in.
Warmest month
36°C
Coldest month
21°C
Wettest month
19d
Travel score by month
Each score weighs temperature comfort, rain, humidity, and outdoor conditions. Higher is better.
8.7 Jan
7.8 Feb
5.3 Mar
2.6 Apr
2 May
1.6 Jun
3.3 Jul
2.5 Aug
2.2 Sep
2.4 Oct
5.2 Nov
7.8 Dec
Excellent (7–10) Mixed (5–6) Tough (0–4)
Month-by-Month Recommendation
Tap any month to open its full weather page. Cards highlight score, temperature, rain, and comfort.
January Best
8.7 /10
Excellent
28°C / 21°C 5 rainy days Comfort Score: 8.8/10
February Best
7.8 /10
Great
30°C / 21°C 1 rainy days Comfort Score: 7.8/10
March
5.3 /10
Fair
33°C / 24°C 1 rainy days Comfort Score: 4.1/10
April
2.6 /10
Poor
35°C / 26°C 2 rainy days Comfort Score: 1.3/10
May
2 /10
Poor
36°C / 28°C 5 rainy days Comfort Score: 1/10
June
1.6 /10
Poor
35°C / 28°C 13 rainy days Comfort Score: 1.3/10
July
3.3 /10
Poor
33°C / 27°C 16 rainy days Comfort Score: 3.6/10
August
2.5 /10
Poor
33°C / 26°C 17 rainy days Comfort Score: 2.8/10
September
2.2 /10
Poor
32°C / 26°C 16 rainy days Comfort Score: 2.8/10
October
2.4 /10
Poor
31°C / 25°C 19 rainy days Comfort Score: 3.3/10
November
5.2 /10
Fair
29°C / 24°C 19 rainy days Comfort Score: 7.2/10
December Best
7.8 /10
Great
28°C / 23°C 10 rainy days Comfort Score: 8.9/10
Climate normals
Compare the monthly shape of temperature highs/lows and rainfall before locking in your dates.
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 28°C / 21°C . Feb: 30°C / 21°C . Mar: 33°C / 24°C . Apr: 35°C / 26°C . May: 36°C / 28°C . Jun: 35°C / 28°C . Jul: 33°C / 27°C . Aug: 33°C / 26°C . Sep: 32°C / 26°C . Oct: 31°C / 25°C . Nov: 29°C / 24°C . Dec: 28°C / 23°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 29 mm. Feb: 5 mm. Mar: 7 mm. Apr: 6 mm. May: 69 mm. Jun: 71 mm. Jul: 108 mm. Aug: 106 mm. Sep: 104 mm. Oct: 172 mm. Nov: 313 mm. Dec: 148 mm.
Season by Season
Season cards explain why scores rise and fall, with a representative month picked for each.
Spring
Avg score 3.3/10Mar, Apr, May
Average highs of 35°C (95°F) with 3 rainy days per month. Climate score: 3.3/10.
This month falls at the beginning of Spring. Temperatures are at their seasonal peak.
Weather conditions this month are less ideal compared to other times of the year. Indoor activities or shorter outings may be more comfortable.
Summer
Avg score 2.5/10Jun, Jul, Aug
Average highs of 34°C (93°F) with 15 rainy days per month. Climate score: 2.5/10.
This month falls at the beginning of Summer. The combination of heat and frequent rain creates tropical monsoon conditions.
Weather conditions this month are less ideal compared to other times of the year. Indoor activities or shorter outings may be more comfortable.
Autumn
Avg score 3.3/10Sep, Oct, Nov
Average highs of 31°C (88°F) with 18 rainy days per month. Climate score: 3.3/10.
This month falls at the beginning of Autumn. The combination of heat and frequent rain creates tropical monsoon conditions.
Weather conditions this month are less ideal compared to other times of the year. Indoor activities or shorter outings may be more comfortable.
Winter
Avg score 8.1/10Dec, Jan, Feb
Average highs of 29°C (84°F) with 5 rainy days per month. Climate score: 8.1/10.
This month falls at the middle of Winter.
Weather conditions this month are among the best of the year, making it a popular time for outdoor activities.
Frequently Asked Questions
The best months to visit Chennai are January, February, December, when temperatures are comfortable and rainfall is low.
Consider avoiding May, June, September, October due to extreme heat, frequent rain, oppressive humidity.
Packing depends on the season. In peak months (January, February, December), light layers and sun protection are typical essentials.
Yes! January earns a climate score of 8.7/10 and is one of the best months to visit Chennai. Hot conditions, with highs reaching 28.1°C (83°F) and afternoons the warmest part of the day. Sea temperature reaches 26.9°C (80°F).
Yes! February earns a climate score of 7.8/10 and is one of the best months to visit Chennai. Hot conditions, with highs reaching 30.1°C (86°F) and afternoons the warmest part of the day. Rain is rare, falling on about 1 days this month. Sea temperature reaches 28.1°C (83°F).