Average annual temperature is 28.8 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 98 days
Number of rainy days: 267 days
Look at detailed online map of Tachchanallur
* Weather data for Tachchanallur 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) | 34.6 | 37.0 | 40.1 | 40.9 | 42.1 | 40.4 | 38.2 | 40.9 | 39.4 | 36.4 | 32.7 | 34.0 |
| Average daytime temperature (°C) | 32.5 | 33.4 | 36.4 | 37.7 | 38.0 | 37.8 | 35.4 | 38.9 | 35.4 | 33.5 | 30.7 | 29.8 |
| Average temperature (°C) | 25.9 | 26.3 | 29.1 | 30.4 | 31.2 | 31.5 | 30.0 | 31.5 | 29.3 | 27.6 | 25.9 | 26.0 |
| Average night temperature (°C) | 21.2 | 21.0 | 24.1 | 25.1 | 26.6 | 26.9 | 25.9 | 26.3 | 25.3 | 23.7 | 23.0 | 23.0 |
| Absolute minimum temperature (°C) | 19.5 | 18.4 | 21.7 | 23.5 | 24.4 | 24.7 | 24.0 | 24.6 | 23.5 | 22.6 | 22.4 | 21.6 |
| 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) | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.0 | 10.2 | 10.9 | 10.8 | 9.7 | 10.7 | 9.4 | 11.2 | 9.6 | 9.8 | 7.7 | 7.7 |
| Precipitation (mm) | 51 | 70 | 50 | 74 | 60 | 18 | 42 | 59 | 135 | 265 | 512 | 658 |
| Sunny days | 22 | 22 | 5 | 6 | 5 | 7 | 12 | 12 | 0 | 2 | 0 | 5 |
| Rainy days | 9 | 6 | 26 | 24 | 26 | 23 | 19 | 19 | 30 | 29 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tachchanallur is at