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Chennai Weather by Month

Twelve months of Chennai, India weather — averages from 2006–2025.

Chennai's warmest month is May (average high 36°C (96.8°F)) and the coolest is December (27.7°C (81.9°F)). The most rain falls in November (about 288 mm), and February is the driest (about 6 mm). April is the sunniest, with about 11.6 hours of sunshine a day.

Best months to visit Chennai

  1. #1FebruaryGreat
  2. #2JanuaryGreat
  3. #3MarchGood

Ranked within Chennai's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.

Chennai month by month

January

Great

High 28°C (82.4°F)
Low 21.6°C (70.9°F)

Rainfall
21 mm (0.8 in)
Rainy days
4 rainy days
Sunshine
10.5 h sunshine / day
January

February

Great

High 29.8°C (85.6°F)
Low 21.6°C (70.9°F)

Rainfall
6 mm (0.2 in)
Rainy days
2 rainy days
Sunshine
11.2 h sunshine / day
February

March

Good

High 32.1°C (89.8°F)
Low 23.7°C (74.7°F)

Rainfall
15 mm (0.6 in)
Rainy days
2 rainy days
Sunshine
11.4 h sunshine / day
March

April

Good

High 34.2°C (93.6°F)
Low 26.4°C (79.5°F)

Rainfall
12 mm (0.5 in)
Rainy days
3 rainy days
Sunshine
11.6 h sunshine / day
April

May

Good

High 36°C (96.8°F)
Low 28°C (82.4°F)

Rainfall
58 mm (2.3 in)
Rainy days
5 rainy days
Sunshine
11.1 h sunshine / day
May

June

Fair

High 35.5°C (95.9°F)
Low 27.8°C (82°F)

Rainfall
65 mm (2.6 in)
Rainy days
12 rainy days
Sunshine
9.7 h sunshine / day
June

July

Poor

High 34.1°C (93.4°F)
Low 26.9°C (80.4°F)

Rainfall
92 mm (3.6 in)
Rainy days
16 rainy days
Sunshine
8.3 h sunshine / day
July

August

Poor

High 33.1°C (91.6°F)
Low 26.2°C (79.2°F)

Rainfall
137 mm (5.4 in)
Rainy days
18 rainy days
Sunshine
8.8 h sunshine / day
August

September

Poor

High 32.5°C (90.5°F)
Low 26°C (78.8°F)

Rainfall
127 mm (5 in)
Rainy days
19 rainy days
Sunshine
9.1 h sunshine / day
September

October

Fair

High 30.9°C (87.6°F)
Low 25°C (77°F)

Rainfall
213 mm (8.4 in)
Rainy days
19 rainy days
Sunshine
9.2 h sunshine / day
October

November

Fair

High 28.6°C (83.5°F)
Low 23.7°C (74.7°F)

Rainfall
288 mm (11.3 in)
Rainy days
18 rainy days
Sunshine
8.5 h sunshine / day
November

December

Good

High 27.7°C (81.9°F)
Low 22.7°C (72.9°F)

Rainfall
154 mm (6.1 in)
Rainy days
11 rainy days
Sunshine
9.4 h sunshine / day
December
Full 20-year climate guide for ChennaiCharts, the monthly averages table and packing tips

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Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.