Average annual temperature is 27.9 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Pattamadai
* Weather data for Pattamadai 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) | 29.5 | 31.5 | 35.2 | 38.6 | 39.7 | 40.7 | 38.7 | 39.6 | 36.1 | 36.6 | 31.0 | 33.4 |
| Average daytime temperature (°C) | 28.3 | 29.6 | 32.4 | 35.2 | 36.6 | 36.5 | 35.2 | 36.6 | 34.8 | 33.5 | 28.8 | 28.5 |
| Average temperature (°C) | 24.1 | 24.3 | 27.1 | 28.9 | 30.6 | 31.0 | 30.2 | 30.4 | 29.3 | 28.2 | 25.4 | 25.4 |
| Average night temperature (°C) | 20.3 | 20.0 | 22.9 | 24.3 | 26.3 | 27.0 | 26.4 | 26.2 | 25.9 | 24.4 | 22.9 | 22.7 |
| Absolute minimum temperature (°C) | 17.1 | 18.0 | 20.7 | 21.7 | 23.5 | 24.3 | 23.7 | 24.5 | 24.4 | 23.2 | 20.2 | 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 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 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) | 9.6 | 9.9 | 11.1 | 11.0 | 9.7 | 9.8 | 7.9 | 10.9 | 10.0 | 10.5 | 6.6 | 7.8 |
| Precipitation (mm) | 19 | 80 | 46 | 25 | 60 | 111 | 53 | 90 | 99 | 169 | 579 | 159 |
| Sunny days | 13 | 17 | 9 | 11 | 16 | 7 | 9 | 9 | 1 | 1 | 0 | 2 |
| Rainy days | 18 | 11 | 22 | 19 | 15 | 23 | 22 | 22 | 29 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pattamadai is at