Average annual temperature is 28.0 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 16.4 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Kovilnattam
* Weather data for Kovilnattam 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) | 31.5 | 33.6 | 37.1 | 39.5 | 40.2 | 41.4 | 39.0 | 40.2 | 36.5 | 35.4 | 31.5 | 33.1 |
| Average daytime temperature (°C) | 29.6 | 30.9 | 34.3 | 36.8 | 36.7 | 37.9 | 36.0 | 37.8 | 34.1 | 32.7 | 29.7 | 29.3 |
| Average temperature (°C) | 24.0 | 24.5 | 27.9 | 30.0 | 30.3 | 31.1 | 30.3 | 31.0 | 28.3 | 27.5 | 25.3 | 25.4 |
| Average night temperature (°C) | 19.1 | 18.6 | 22.4 | 24.3 | 25.4 | 26.6 | 26.3 | 25.9 | 24.7 | 23.5 | 22.4 | 22.2 |
| Absolute minimum temperature (°C) | 16.7 | 16.4 | 19.0 | 22.0 | 23.1 | 24.9 | 23.9 | 24.3 | 23.3 | 22.2 | 21.3 | 20.0 |
| 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) | 9.9 | 9.9 | 10.8 | 10.8 | 9.7 | 9.4 | 8.4 | 10.9 | 9.0 | 9.9 | 7.5 | 7.7 |
| Precipitation (mm) | 8 | 40 | 42 | 38 | 92 | 60 | 66 | 112 | 198 | 167 | 326 | 72 |
| Sunny days | 20 | 21 | 9 | 11 | 10 | 4 | 10 | 9 | 2 | 2 | 1 | 8 |
| Rainy days | 11 | 7 | 22 | 19 | 21 | 26 | 21 | 22 | 28 | 29 | 29 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kovilnattam is at