Average annual temperature is 28.8 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 144 days
Number of rainy days: 221 days
Look at detailed online map of State of Tamil Nādu
* Weather data for State of Tamil Nādu India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.8 | 36.8 | 38.3 | 40.5 | 40.5 | 40.4 | 39.5 | 40.3 | 38.2 | 37.6 | 34.0 | 34.4 |
| Average daytime temperature (°C) | 32.1 | 34.3 | 35.9 | 37.7 | 37.3 | 38.0 | 35.6 | 38.0 | 35.4 | 34.3 | 31.5 | 32.4 |
| Average temperature (°C) | 25.5 | 26.5 | 29.0 | 30.7 | 31.0 | 31.2 | 29.5 | 31.0 | 29.3 | 28.5 | 26.4 | 27.0 |
| Average night temperature (°C) | 19.5 | 19.5 | 22.9 | 24.7 | 26.2 | 26.6 | 25.5 | 25.9 | 25.4 | 24.1 | 22.5 | 22.4 |
| Absolute minimum temperature (°C) | 17.6 | 17.7 | 18.5 | 21.8 | 24.2 | 25.2 | 24.0 | 24.5 | 24.4 | 22.7 | 20.4 | 20.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.3 | 11.1 | 11.0 | 10.3 | 9.9 | 8.5 | 10.9 | 9.8 | 10.4 | 8.8 | 8.8 |
| Precipitation (mm) | 4 | 21 | 62 | 43 | 90 | 32 | 59 | 95 | 169 | 108 | 171 | 40 |
| Sunny days | 28 | 25 | 16 | 14 | 10 | 7 | 8 | 12 | 1 | 8 | 2 | 13 |
| Rainy days | 3 | 3 | 15 | 16 | 21 | 23 | 23 | 19 | 29 | 23 | 28 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in State of Tamil Nādu is at