Average annual temperature is 28.4 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 121 days
Number of rainy days: 244 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) | 32.5 | 35.4 | 37.7 | 40.4 | 40.4 | 41.3 | 39.1 | 40.0 | 37.6 | 36.2 | 32.5 | 33.2 |
| Average daytime temperature (°C) | 30.9 | 32.1 | 35.2 | 37.2 | 36.7 | 38.3 | 36.0 | 37.9 | 34.5 | 33.3 | 29.9 | 30.1 |
| Average temperature (°C) | 24.7 | 25.3 | 28.5 | 30.5 | 30.5 | 31.7 | 30.5 | 31.2 | 28.7 | 27.9 | 25.5 | 25.8 |
| Average night temperature (°C) | 19.5 | 19.5 | 22.9 | 24.6 | 25.5 | 27.0 | 26.6 | 26.3 | 25.0 | 23.7 | 22.4 | 22.2 |
| Absolute minimum temperature (°C) | 17.6 | 17.2 | 19.4 | 22.5 | 23.4 | 24.9 | 24.6 | 24.6 | 23.8 | 22.4 | 21.4 | 19.7 |
| 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 | 10.0 | 10.8 | 10.9 | 9.9 | 9.8 | 8.4 | 10.9 | 9.0 | 10.1 | 7.7 | 7.9 |
| Precipitation (mm) | 13 | 52 | 45 | 41 | 135 | 77 | 52 | 85 | 219 | 172 | 280 | 64 |
| Sunny days | 19 | 22 | 11 | 15 | 10 | 6 | 12 | 13 | 1 | 1 | 1 | 10 |
| Rainy days | 12 | 6 | 20 | 15 | 21 | 24 | 19 | 18 | 29 | 30 | 29 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Usilampatti is at