Average annual temperature is 28.0 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 93 days
Number of rainy days: 272 days
Look at detailed online map of Tachchanattam
* Weather data for Tachchanattam 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) | 30.5 | 33.3 | 36.9 | 38.9 | 38.8 | 39.5 | 38.8 | 39.8 | 36.3 | 36.1 | 31.8 | 33.1 |
| Average daytime temperature (°C) | 29.4 | 30.8 | 33.7 | 36.3 | 35.8 | 36.8 | 35.9 | 37.0 | 34.4 | 33.1 | 29.5 | 29.1 |
| Average temperature (°C) | 24.3 | 24.6 | 27.7 | 29.8 | 30.1 | 30.7 | 30.3 | 30.4 | 28.9 | 27.9 | 25.6 | 25.6 |
| Average night temperature (°C) | 20.2 | 19.9 | 22.9 | 24.6 | 26.0 | 27.1 | 26.7 | 26.2 | 25.6 | 24.1 | 23.0 | 22.9 |
| Absolute minimum temperature (°C) | 17.5 | 17.4 | 20.5 | 22.0 | 23.7 | 24.9 | 24.5 | 24.2 | 24.1 | 22.5 | 20.9 | 20.9 |
| 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 | 12.7 | 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) | 9.8 | 9.9 | 10.9 | 11.1 | 9.4 | 9.7 | 7.9 | 10.9 | 10.0 | 10.2 | 6.3 | 7.3 |
| Precipitation (mm) | 11 | 61 | 44 | 40 | 100 | 84 | 47 | 119 | 179 | 204 | 521 | 128 |
| Sunny days | 20 | 21 | 11 | 13 | 9 | 5 | 6 | 5 | 0 | 1 | 0 | 2 |
| Rainy days | 11 | 7 | 20 | 17 | 22 | 25 | 25 | 26 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tachchanattam is at