Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 97 days
Number of rainy days: 268 days
Look at detailed online map of Tāttankudi
* Weather data for Tāttankudi 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) | 29.3 | 31.4 | 35.1 | 38.7 | 39.1 | 40.5 | 39.2 | 40.5 | 36.4 | 36.4 | 31.0 | 34.0 |
| Average daytime temperature (°C) | 28.2 | 29.5 | 32.3 | 35.0 | 36.4 | 36.4 | 35.4 | 36.9 | 34.9 | 33.3 | 29.0 | 28.6 |
| Average temperature (°C) | 24.0 | 24.3 | 27.2 | 29.0 | 30.7 | 31.0 | 30.2 | 30.5 | 29.3 | 28.2 | 25.6 | 25.6 |
| Average night temperature (°C) | 20.3 | 20.2 | 23.1 | 24.6 | 26.4 | 27.2 | 26.5 | 26.3 | 26.0 | 24.5 | 23.1 | 23.0 |
| Absolute minimum temperature (°C) | 17.6 | 18.5 | 20.9 | 22.2 | 23.6 | 24.7 | 24.3 | 24.4 | 24.7 | 23.2 | 20.7 | 20.6 |
| 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) | 11.5 | 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) | 9.7 | 9.9 | 11.1 | 11.0 | 9.7 | 9.8 | 7.9 | 10.9 | 10.1 | 10.5 | 6.7 | 7.8 |
| Precipitation (mm) | 19 | 61 | 50 | 37 | 69 | 81 | 46 | 99 | 118 | 206 | 565 | 156 |
| Sunny days | 13 | 19 | 10 | 12 | 15 | 9 | 9 | 7 | 1 | 1 | 0 | 1 |
| Rainy days | 18 | 9 | 21 | 18 | 16 | 21 | 22 | 24 | 29 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tāttankudi is at