Average annual temperature is 26.9 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 131 days
Number of rainy days: 234 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) | 32.3 | 34.9 | 36.0 | 38.5 | 38.9 | 38.3 | 36.4 | 38.4 | 34.0 | 36.9 | 31.5 | 32.1 |
| Average daytime temperature (°C) | 30.3 | 32.4 | 34.3 | 35.2 | 35.1 | 35.9 | 32.4 | 36.6 | 32.0 | 32.4 | 29.5 | 29.1 |
| Average temperature (°C) | 24.2 | 25.5 | 27.3 | 28.3 | 28.7 | 29.3 | 27.4 | 28.9 | 26.7 | 26.4 | 24.8 | 24.9 |
| Average night temperature (°C) | 19.2 | 19.5 | 22.0 | 23.2 | 24.6 | 25.4 | 24.2 | 24.1 | 23.6 | 22.5 | 21.6 | 21.4 |
| Absolute minimum temperature (°C) | 17.4 | 17.8 | 19.9 | 21.7 | 22.4 | 24.4 | 22.7 | 23.1 | 22.2 | 21.2 | 19.8 | 19.6 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 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) | 10.3 | 10.4 | 11.2 | 10.8 | 9.7 | 10.4 | 8.7 | 11.2 | 9.2 | 10.1 | 8.8 | 8.8 |
| Precipitation (mm) | 12 | 41 | 94 | 132 | 95 | 16 | 108 | 61 | 127 | 319 | 290 | 80 |
| Sunny days | 28 | 24 | 11 | 11 | 8 | 7 | 15 | 12 | 1 | 2 | 4 | 8 |
| Rainy days | 3 | 4 | 20 | 19 | 23 | 23 | 16 | 19 | 29 | 29 | 26 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Usilampatti is at