Average annual temperature is 28.4 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 87 days
Number of rainy days: 278 days
Look at detailed online map of Perumālkulam
* Weather data for Perumālkulam 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 | 36.6 | 39.3 | 40.7 | 41.7 | 40.5 | 37.7 | 40.5 | 37.4 | 36.3 | 31.6 | 32.2 |
| Average daytime temperature (°C) | 31.9 | 32.9 | 35.9 | 37.3 | 37.7 | 37.5 | 34.7 | 38.5 | 34.8 | 32.7 | 29.7 | 29.0 |
| Average temperature (°C) | 25.4 | 25.9 | 28.7 | 30.0 | 31.0 | 31.4 | 29.8 | 31.2 | 29.1 | 27.3 | 25.6 | 25.6 |
| Average night temperature (°C) | 21.4 | 20.7 | 23.7 | 24.9 | 26.2 | 26.5 | 25.6 | 25.6 | 25.1 | 23.7 | 23.0 | 23.2 |
| Absolute minimum temperature (°C) | 19.5 | 18.0 | 21.8 | 23.3 | 23.9 | 25.3 | 23.9 | 23.6 | 23.9 | 22.6 | 21.9 | 22.6 |
| 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) | 9.8 | 10.1 | 10.9 | 10.6 | 10.0 | 10.9 | 9.1 | 11.3 | 9.3 | 9.6 | 7.6 | 7.3 |
| Precipitation (mm) | 40 | 69 | 59 | 83 | 43 | 16 | 56 | 37 | 143 | 227 | 409 | 712 |
| Sunny days | 17 | 23 | 2 | 2 | 6 | 5 | 13 | 13 | 2 | 2 | 0 | 2 |
| Rainy days | 14 | 5 | 29 | 28 | 25 | 25 | 18 | 18 | 28 | 29 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Perumālkulam is at