Chennai weather in January
January is one of the best months to visit Chennai: highs of 28°C (82°F) and about 16 mm (0.6 in) of rain on average. Nights average 21°C (69°F) and cloud cover 36% (NASA POWER, 2001–2025 averages). It is the 3rd driest month of the year and the 2nd coolest. Compared with December, it is about as warm and drier; February brings highs of 30°C (87°F) and 6 mm (0.2 in) of rain.
Is January a good time to visit Chennai?
best month Weather score 90/100.
Yes. January is one of the best months for weather in Chennai.
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Does it rain a lot in Chennai in January?
No, it is usually dry: about 16 mm (0.6 in) falls in an average January. It is the 3rd driest month of the year.
How warm is Chennai in January?
Days average 28°C (82°F) and nights 21°C (69°F).
Chennai weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 28°C (82°F) | 21°C (69°F) | 16 mm | 36% | best |
| February | 30°C (87°F) | 21°C (70°F) | 6 mm | 29% | best |
| March | 34°C (93°F) | 23°C (74°F) | 15 mm | 30% | best |
| April | 35°C (96°F) | 26°C (78°F) | 26 mm | 37% | fair |
| May | 36°C (97°F) | 27°C (81°F) | 55 mm | 54% | fair |
| June | 35°C (94°F) | 27°C (80°F) | 68 mm | 77% | fair |
| July | 34°C (93°F) | 26°C (78°F) | 108 mm | 83% | least pleasant |
| August | 33°C (91°F) | 25°C (77°F) | 132 mm | 81% | least pleasant |
| September | 32°C (89°F) | 25°C (77°F) | 145 mm | 72% | fair |
| October | 30°C (86°F) | 25°C (76°F) | 264 mm | 63% | least pleasant |
| November | 28°C (83°F) | 23°C (74°F) | 292 mm | 61% | least pleasant |
| December | 27°C (81°F) | 22°C (71°F) | 126 mm | 51% | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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