Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Usilampatti
* Weather data for Usilampatti 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) | 31.4 | 33.3 | 37.0 | 39.2 | 39.8 | 40.8 | 39.2 | 40.3 | 36.9 | 35.7 | 31.5 | 33.0 |
| Average daytime temperature (°C) | 29.3 | 30.7 | 34.2 | 36.6 | 36.4 | 37.7 | 36.0 | 37.7 | 34.4 | 32.9 | 29.7 | 29.2 |
| Average temperature (°C) | 23.9 | 24.3 | 27.8 | 29.8 | 30.1 | 31.0 | 30.3 | 30.9 | 28.5 | 27.6 | 25.4 | 25.5 |
| Average night temperature (°C) | 19.0 | 18.5 | 22.4 | 24.2 | 25.3 | 26.5 | 26.2 | 25.8 | 24.8 | 23.6 | 22.5 | 22.3 |
| Absolute minimum temperature (°C) | 16.7 | 16.2 | 18.7 | 22.0 | 23.4 | 24.5 | 23.9 | 24.0 | 23.4 | 22.2 | 21.3 | 20.1 |
| 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) | 11.6 | 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) | 10.0 | 9.8 | 10.9 | 10.8 | 9.8 | 9.4 | 8.4 | 10.9 | 9.0 | 10.0 | 7.4 | 7.6 |
| Precipitation (mm) | 5 | 40 | 43 | 36 | 88 | 54 | 60 | 121 | 179 | 185 | 301 | 60 |
| Sunny days | 22 | 23 | 12 | 10 | 9 | 5 | 9 | 7 | 0 | 1 | 1 | 8 |
| Rainy days | 9 | 5 | 19 | 20 | 22 | 25 | 22 | 24 | 30 | 30 | 29 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Usilampatti is at