Average annual temperature is 28.8 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Perumālpālaiyam
* Weather data for Perumālpālaiyam 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) | 33.4 | 36.8 | 38.1 | 40.9 | 40.9 | 40.7 | 39.8 | 40.5 | 38.5 | 38.5 | 33.8 | 34.4 |
| Average daytime temperature (°C) | 31.9 | 34.2 | 35.9 | 37.6 | 37.2 | 38.2 | 36.0 | 37.9 | 35.6 | 34.4 | 31.2 | 32.1 |
| Average temperature (°C) | 25.5 | 26.6 | 29.0 | 30.7 | 30.9 | 31.4 | 29.8 | 31.1 | 29.4 | 28.6 | 26.3 | 26.9 |
| Average night temperature (°C) | 19.9 | 19.8 | 23.0 | 24.7 | 26.2 | 26.8 | 25.6 | 26.0 | 25.6 | 24.2 | 22.6 | 22.6 |
| Absolute minimum temperature (°C) | 17.9 | 17.3 | 18.7 | 21.9 | 24.1 | 25.4 | 24.1 | 24.3 | 24.4 | 22.8 | 20.5 | 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 | 12.8 | 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) | 10.3 | 10.4 | 11.2 | 11.0 | 10.3 | 10.0 | 8.4 | 10.9 | 9.8 | 10.5 | 8.7 | 9.0 |
| Precipitation (mm) | 4 | 14 | 50 | 42 | 99 | 33 | 51 | 92 | 168 | 114 | 201 | 39 |
| Sunny days | 26 | 24 | 17 | 15 | 12 | 8 | 7 | 12 | 1 | 8 | 2 | 13 |
| Rainy days | 5 | 4 | 14 | 15 | 19 | 22 | 24 | 19 | 29 | 23 | 28 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Perumālpālaiyam is at