Best time to visit Chennai
The best months to visit Chennai are January, February and December, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
January, February and December score best for Chennai weather:
- January30° / 21°CJanuary is one of Chennai's best months, with cooler mornings for Mylapore, Marina Beach, and Fort St George.
- February32° / 22°CFebruary is dry and warming, still strong for Mahabalipuram and walking-heavy temple days.
- December30° / 22°CDecember is cooler but still showery; music season around Mylapore rewards early reservations.
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By TripSapien Research · Updated May 20, 2026
Chennai weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight | Sea |
|---|---|---|---|---|---|---|
| JanuaryBest weather | 30° | 21° | 25 | 3 | 11h | 26° |
| FebruaryBest weather | 32° | 22° | 5 | 1 | 12h | 28° |
| March | 34° | 24° | 15 | 1 | 12h | 30° |
| April | 36° | 26° | 25 | 2 | 12h | 31° |
| May | 38° | 28° | 50 | 4 | 13h | 31° |
| June | 38° | 27° | 55 | 11 | 13h | 30° |
| July | 36° | 26° | 85 | 16 | 13h | 30° |
| August | 35° | 25° | 125 | 18 | 12h | 29° |
| September | 35° | 25° | 120 | 15 | 12h | 31° |
| October | 33° | 24° | 265 | 16 | 12h | 30° |
| November | 31° | 23° | 310 | 16 | 11h | 28° |
| DecemberBest weather | 30° | 22° | 155 | 10 | 11h | 26° |
Temperatures in °C. Long-term monthly averages.
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Chennai month by month
JanuaryBest weather
Chennai in January: 30.1°C high, 20.7°C low, 25mm rain over 3 days, 11.3h daylight. Hot and dry — outdoor friendly, hydrate.
FebruaryBest weather
Chennai in February: 31.8°C high, 21.6°C low, 5mm rain over 1 days, 11.6h daylight. Hot and dry — outdoor friendly, hydrate.
March
Chennai in March: 34.2°C high, 23.6°C low, 15mm rain over 1 days, 11.9h daylight. Hot and dry — outdoor friendly, hydrate.
April
Chennai in April: 36.1°C high, 26.1°C low, 25mm rain over 2 days, 12.3h daylight. Hot and dry — outdoor friendly, hydrate.
May
Chennai in May: 38.4°C high, 27.5°C low, 50mm rain over 4 days, 12.6h daylight. Hot and dry — outdoor friendly, hydrate.
June
Chennai in June: 37.7°C high, 27°C low, 55mm rain over 11 days, 12.8h daylight. Hot and dry — outdoor friendly, hydrate.
July
Chennai in July: 36°C high, 26°C low, 85mm rain over 16 days, 12.7h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
August
Chennai in August: 35°C high, 25.4°C low, 125mm rain over 18 days, 12.4h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
September
Chennai in September: 34.6°C high, 25.1°C low, 120mm rain over 15 days, 12.1h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
October
Chennai in October: 32.8°C high, 24.4°C low, 265mm rain over 16 days, 11.7h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
November
Chennai in November: 30.6°C high, 23°C low, 310mm rain over 16 days, 11.4h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
DecemberBest weather
Chennai in December: 29.6°C high, 21.5°C low, 155mm rain over 10 days, 11.2h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
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