Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 109 days
Number of rainy days: 256 days
Look at detailed online map of Periyavalaiyam
* Weather data for Periyavalaiyam 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) | 30.1 | 34.2 | 36.8 | 39.7 | 40.1 | 40.7 | 39.5 | 40.6 | 37.2 | 36.0 | 31.4 | 32.6 |
| Average daytime temperature (°C) | 29.0 | 31.0 | 33.9 | 36.7 | 36.4 | 36.8 | 36.0 | 37.2 | 34.5 | 33.2 | 29.1 | 28.6 |
| Average temperature (°C) | 24.0 | 24.7 | 27.6 | 29.8 | 30.5 | 31.2 | 30.5 | 30.9 | 29.1 | 28.1 | 25.5 | 25.3 |
| Average night temperature (°C) | 20.0 | 19.9 | 23.0 | 24.6 | 26.0 | 27.1 | 26.4 | 26.1 | 25.7 | 24.2 | 23.0 | 22.5 |
| Absolute minimum temperature (°C) | 17.6 | 17.5 | 20.7 | 21.9 | 23.8 | 25.2 | 24.3 | 24.6 | 24.2 | 22.9 | 20.6 | 19.9 |
| 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) | 9.7 | 9.6 | 10.9 | 10.8 | 9.6 | 9.8 | 7.7 | 10.7 | 9.6 | 10.3 | 7.2 | 7.7 |
| Precipitation (mm) | 9 | 61 | 46 | 35 | 96 | 64 | 44 | 128 | 87 | 180 | 445 | 127 |
| Sunny days | 15 | 22 | 13 | 13 | 11 | 11 | 9 | 7 | 1 | 3 | 0 | 4 |
| Rainy days | 16 | 6 | 18 | 17 | 20 | 19 | 22 | 24 | 29 | 28 | 30 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Periyavalaiyam is at