Average annual temperature is 28.4 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 123 days
Number of rainy days: 242 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) | 34.7 | 37.2 | 39.4 | 41.8 | 41.1 | 39.0 | 38.3 | 40.2 | 37.1 | 37.5 | 32.3 | 33.2 |
| Average daytime temperature (°C) | 32.7 | 33.9 | 36.3 | 37.6 | 37.2 | 36.2 | 33.9 | 37.6 | 34.2 | 33.6 | 30.4 | 29.7 |
| Average temperature (°C) | 26.1 | 26.3 | 29.1 | 30.4 | 30.6 | 30.4 | 29.0 | 30.5 | 28.7 | 27.7 | 25.8 | 25.9 |
| Average night temperature (°C) | 21.1 | 20.3 | 23.8 | 25.3 | 26.6 | 26.8 | 25.9 | 26.1 | 25.2 | 23.9 | 22.8 | 22.9 |
| Absolute minimum temperature (°C) | 19.5 | 17.7 | 20.8 | 23.7 | 24.1 | 25.3 | 23.8 | 24.9 | 23.7 | 22.4 | 22.0 | 21.2 |
| 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) | 9.9 | 10.2 | 10.7 | 10.6 | 9.7 | 10.6 | 9.2 | 11.2 | 9.5 | 9.6 | 7.8 | 7.8 |
| Precipitation (mm) | 41 | 47 | 60 | 78 | 43 | 7 | 43 | 56 | 106 | 268 | 411 | 354 |
| Sunny days | 25 | 22 | 7 | 8 | 7 | 14 | 15 | 13 | 2 | 1 | 2 | 7 |
| Rainy days | 6 | 6 | 24 | 22 | 24 | 16 | 16 | 18 | 28 | 30 | 28 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Usilangulam is at