Average annual temperature is 27.1 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: 19.7 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Perumannūr
* Weather data for Perumannūr 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) | 34.9 | 38.1 | 38.7 | 38.4 | 34.3 | 31.8 | 30.3 | 32.1 | 32.5 | 32.5 | 33.4 | 35.6 |
| Average daytime temperature (°C) | 33.7 | 36.4 | 35.9 | 34.9 | 31.8 | 29.9 | 28.4 | 30.5 | 28.7 | 30.6 | 31.3 | 32.7 |
| Average temperature (°C) | 26.8 | 27.9 | 29.1 | 29.0 | 27.9 | 26.5 | 25.5 | 26.9 | 25.5 | 26.0 | 26.6 | 28.0 |
| Average night temperature (°C) | 22.0 | 22.0 | 23.9 | 24.7 | 24.7 | 24.0 | 23.4 | 24.1 | 23.2 | 22.8 | 22.9 | 24.0 |
| Absolute minimum temperature (°C) | 19.7 | 20.6 | 21.5 | 23.3 | 23.0 | 22.9 | 22.2 | 22.2 | 22.4 | 21.8 | 20.7 | 22.3 |
| 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 | 11.6 | 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) | 10.4 | 10.7 | 11.0 | 11.2 | 8.3 | 7.8 | 6.8 | 11.1 | 7.1 | 9.4 | 9.0 | 9.5 |
| Precipitation (mm) | 7 | 3 | 39 | 196 | 193 | 381 | 506 | 67 | 665 | 375 | 251 | 35 |
| Sunny days | 24 | 26 | 17 | 2 | 0 | 0 | 0 | 3 | 0 | 4 | 8 | 15 |
| Rainy days | 7 | 2 | 14 | 28 | 31 | 30 | 31 | 28 | 30 | 27 | 22 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Perumannūr is at