Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 140 days
Number of rainy days: 225 days
Look at detailed online map of Tachchampattu
* Weather data for Tachchampattu 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) | 30.6 | 35.0 | 36.5 | 39.0 | 39.4 | 40.2 | 38.0 | 39.1 | 35.4 | 35.7 | 31.9 | 31.7 |
| Average daytime temperature (°C) | 29.0 | 32.4 | 34.3 | 36.7 | 36.6 | 35.9 | 35.0 | 36.8 | 33.5 | 33.6 | 29.7 | 29.1 |
| Average temperature (°C) | 23.6 | 25.2 | 27.5 | 29.9 | 30.7 | 30.7 | 30.1 | 30.9 | 28.5 | 28.1 | 25.5 | 25.1 |
| Average night temperature (°C) | 18.7 | 18.6 | 22.0 | 24.0 | 25.9 | 26.8 | 26.3 | 26.0 | 24.8 | 23.5 | 22.7 | 21.6 |
| Absolute minimum temperature (°C) | 16.1 | 16.5 | 18.0 | 20.7 | 23.6 | 24.8 | 24.2 | 24.4 | 23.6 | 22.0 | 21.5 | 19.1 |
| 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 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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) | 9.9 | 10.1 | 10.9 | 11.1 | 10.1 | 9.3 | 7.5 | 10.5 | 9.6 | 10.2 | 7.4 | 7.9 |
| Precipitation (mm) | 7 | 11 | 56 | 25 | 108 | 106 | 75 | 71 | 207 | 152 | 326 | 77 |
| Sunny days | 20 | 25 | 18 | 18 | 15 | 7 | 7 | 10 | 1 | 6 | 3 | 10 |
| Rainy days | 11 | 3 | 13 | 12 | 16 | 23 | 24 | 21 | 29 | 25 | 27 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tachchampattu is at