Tamil Nadu weather in March
March is one of the best months to visit Tamil Nadu: highs of 34°C (93°F) and about 15 mm (0.6 in) of rain on average. Nights average 23°C (74°F) and cloud cover 30% (NASA POWER, 2001–2025 averages). It is the 2nd driest month of the year and the 4th warmest. Compared with February, it is warmer and wetter; April brings highs of 35°C (96°F) and 26 mm (1.0 in) of rain.
Figures are long-term averages for Chennai, the largest city in Tamil Nadu. See below for other places.
Is March a good time to visit Tamil Nadu?
best month Weather score 81/100.
Yes. March is one of the best months for weather in Tamil Nadu.
Does it rain a lot in Tamil Nadu in March?
No, it is usually dry: about 15 mm (0.6 in) falls in an average March. It is the 2nd driest month of the year.
How warm is Tamil Nadu in March?
Days average 34°C (93°F) and nights 23°C (74°F).
Tamil Nadu 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
Weather across Tamil Nadu in March
Weather can differ a lot within Tamil Nadu: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Chennai | 34°C (93°F) | 23°C (74°F) | 15 mm | best |
| Coimbatore | 35°C (95°F) | 20°C (69°F) | 30 mm | fair |
| Kallakurichi | 36°C (97°F) | 21°C (69°F) | 16 mm | fair |
| Madurai | 36°C (97°F) | 22°C (72°F) | 23 mm | fair |
| Tirunelveli | 35°C (94°F) | 22°C (72°F) | 42 mm | fair |
| Teni | 33°C (91°F) | 19°C (66°F) | 31 mm | fair |
| Tiruchirappalli | 37°C (98°F) | 22°C (71°F) | 16 mm | fair |
| Tiruppur | 37°C (99°F) | 22°C (72°F) | 21 mm | least pleasant |
| Salem | 37°C (99°F) | 21°C (71°F) | 18 mm | least pleasant |
| Erode | 37°C (98°F) | 22°C (71°F) | 20 mm | least pleasant |
| Vellore | 36°C (98°F) | 20°C (69°F) | 16 mm | fair |
| Ambattur | 34°C (93°F) | 23°C (74°F) | 15 mm | best |