Average annual temperature is 27.9 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 89 days
Number of rainy days: 276 days
Look at detailed online map of Nammakkottai
* Weather data for Nammakkottai 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) | 31.0 | 32.9 | 38.7 | 39.6 | 40.4 | 40.9 | 39.7 | 40.4 | 36.8 | 35.6 | 31.5 | 32.9 |
| Average daytime temperature (°C) | 29.7 | 30.6 | 34.2 | 36.3 | 36.3 | 37.1 | 35.8 | 36.8 | 34.3 | 33.1 | 29.6 | 29.0 |
| Average temperature (°C) | 24.4 | 24.6 | 27.9 | 29.8 | 30.1 | 30.6 | 30.0 | 30.0 | 28.7 | 27.7 | 25.6 | 25.6 |
| Average night temperature (°C) | 20.2 | 19.8 | 23.1 | 24.9 | 25.9 | 26.6 | 26.1 | 25.7 | 25.3 | 24.1 | 22.9 | 22.9 |
| Absolute minimum temperature (°C) | 18.0 | 17.2 | 20.6 | 22.9 | 23.5 | 25.0 | 24.4 | 24.3 | 23.8 | 23.1 | 21.0 | 20.9 |
| 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 | 11.7 | 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) | 10.1 | 9.9 | 10.9 | 11.0 | 9.9 | 9.6 | 8.5 | 11.2 | 9.4 | 10.3 | 7.1 | 7.5 |
| Precipitation (mm) | 10 | 50 | 53 | 38 | 89 | 90 | 70 | 120 | 175 | 245 | 395 | 119 |
| Sunny days | 20 | 23 | 10 | 10 | 6 | 5 | 4 | 5 | 1 | 1 | 1 | 3 |
| Rainy days | 11 | 5 | 21 | 20 | 25 | 25 | 27 | 26 | 29 | 30 | 29 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nammakkottai is at