Average annual temperature is 28.7 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 94 days
Number of rainy days: 271 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) | 34.8 | 37.3 | 39.9 | 41.7 | 41.7 | 40.6 | 37.6 | 41.1 | 38.4 | 37.3 | 32.1 | 32.5 |
| Average daytime temperature (°C) | 32.4 | 33.5 | 36.6 | 38.1 | 37.9 | 37.4 | 34.7 | 38.5 | 35.1 | 33.3 | 30.2 | 29.5 |
| Average temperature (°C) | 25.9 | 26.2 | 29.2 | 30.5 | 31.1 | 31.5 | 29.8 | 31.2 | 29.4 | 27.7 | 25.9 | 25.9 |
| Average night temperature (°C) | 21.5 | 20.7 | 24.1 | 25.2 | 26.5 | 27.0 | 25.9 | 26.0 | 25.4 | 24.0 | 23.2 | 23.3 |
| Absolute minimum temperature (°C) | 19.4 | 18.5 | 21.4 | 23.8 | 24.3 | 25.7 | 24.0 | 24.0 | 23.8 | 22.7 | 22.2 | 22.1 |
| 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 | 11.9 | 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) | 9.6 | 10.1 | 10.9 | 10.6 | 10.0 | 10.9 | 9.1 | 11.3 | 9.3 | 9.8 | 7.5 | 7.2 |
| Precipitation (mm) | 57 | 60 | 46 | 87 | 48 | 22 | 60 | 47 | 101 | 251 | 422 | 787 |
| Sunny days | 21 | 22 | 5 | 2 | 5 | 6 | 13 | 12 | 1 | 2 | 0 | 5 |
| Rainy days | 10 | 6 | 26 | 28 | 26 | 24 | 18 | 19 | 29 | 29 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pattamadai is at