Average annual temperature is 28.7 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 100 days
Number of rainy days: 265 days
Look at detailed online map of Usilangulam
* Weather data for Usilangulam 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) | 33.4 | 36.3 | 38.6 | 40.0 | 40.0 | 41.5 | 40.9 | 41.1 | 37.5 | 36.5 | 33.1 | 32.9 |
| Average daytime temperature (°C) | 31.4 | 33.1 | 35.8 | 37.0 | 36.6 | 39.3 | 37.4 | 38.8 | 35.3 | 33.5 | 30.6 | 30.0 |
| Average temperature (°C) | 25.7 | 26.3 | 28.9 | 30.1 | 30.1 | 31.9 | 30.7 | 31.0 | 29.2 | 27.9 | 26.1 | 26.2 |
| Average night temperature (°C) | 20.8 | 20.8 | 23.9 | 25.0 | 25.9 | 27.1 | 26.1 | 26.3 | 25.5 | 24.1 | 23.2 | 23.2 |
| Absolute minimum temperature (°C) | 18.7 | 18.1 | 21.3 | 23.5 | 24.1 | 25.9 | 24.2 | 24.7 | 24.1 | 22.7 | 22.3 | 21.5 |
| 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) | 10.0 | 9.8 | 11.0 | 10.8 | 9.4 | 9.8 | 9.0 | 11.1 | 10.2 | 9.6 | 7.5 | 8.4 |
| Precipitation (mm) | 17 | 41 | 37 | 94 | 97 | 44 | 57 | 115 | 114 | 188 | 337 | 119 |
| Sunny days | 26 | 23 | 14 | 4 | 6 | 0 | 6 | 5 | 2 | 2 | 2 | 10 |
| Rainy days | 5 | 5 | 17 | 26 | 25 | 30 | 25 | 26 | 28 | 29 | 28 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Usilangulam is at