Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 117 days
Number of rainy days: 248 days
Look at detailed online map of Kovilancheri
* Weather data for Kovilancheri 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) | 29.3 | 31.9 | 32.9 | 36.7 | 40.7 | 40.4 | 36.9 | 37.8 | 35.3 | 34.5 | 30.5 | 31.6 |
| Average daytime temperature (°C) | 28.4 | 30.1 | 31.2 | 33.8 | 34.7 | 36.5 | 33.9 | 34.8 | 33.4 | 31.9 | 28.8 | 28.6 |
| Average temperature (°C) | 24.9 | 25.2 | 27.2 | 29.3 | 30.2 | 31.4 | 29.7 | 29.8 | 28.8 | 28.0 | 26.1 | 25.7 |
| Average night temperature (°C) | 21.3 | 20.3 | 23.5 | 25.5 | 26.8 | 27.8 | 26.6 | 26.2 | 25.8 | 24.6 | 23.7 | 23.0 |
| Absolute minimum temperature (°C) | 17.6 | 18.5 | 20.5 | 22.8 | 23.6 | 25.0 | 24.6 | 24.4 | 24.6 | 22.9 | 21.1 | 20.5 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 |
| 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 | 10.8 | 11.0 | 10.3 | 9.8 | 7.2 | 10.2 | 9.6 | 10.3 | 7.1 | 8.4 |
| Precipitation (mm) | 15 | 4 | 39 | 22 | 104 | 76 | 153 | 161 | 156 | 103 | 449 | 303 |
| Sunny days | 15 | 24 | 15 | 16 | 17 | 10 | 4 | 2 | 3 | 3 | 2 | 6 |
| Rainy days | 16 | 4 | 16 | 14 | 14 | 20 | 27 | 29 | 27 | 28 | 28 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kovilancheri is at