Average annual temperature is 26.6 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Rāyarpālaiyam
* Weather data for Rāyarpālaiyam 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) | 33.1 | 35.7 | 38.3 | 39.4 | 37.7 | 37.1 | 33.6 | 36.8 | 34.1 | 35.7 | 33.0 | 31.1 |
| Average daytime temperature (°C) | 30.9 | 33.3 | 35.4 | 36.9 | 34.7 | 34.6 | 30.5 | 35.0 | 31.4 | 32.4 | 29.9 | 29.4 |
| Average temperature (°C) | 24.1 | 25.7 | 28.2 | 29.7 | 28.4 | 27.8 | 25.3 | 27.8 | 25.8 | 26.5 | 25.0 | 24.9 |
| Average night temperature (°C) | 18.3 | 19.0 | 21.8 | 23.6 | 24.1 | 23.3 | 21.9 | 23.1 | 22.3 | 22.3 | 21.1 | 20.7 |
| Absolute minimum temperature (°C) | 16.5 | 17.7 | 18.0 | 22.7 | 22.7 | 21.9 | 20.8 | 22.1 | 21.6 | 21.5 | 19.1 | 17.5 |
| 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) | 10.1 | 10.5 | 11.1 | 11.1 | 10.1 | 10.0 | 8.3 | 11.0 | 9.9 | 10.4 | 9.4 | 8.8 |
| Precipitation (mm) | 9 | 9 | 35 | 58 | 148 | 56 | 224 | 64 | 192 | 200 | 265 | 59 |
| Sunny days | 21 | 26 | 17 | 14 | 4 | 2 | 1 | 1 | 1 | 7 | 6 | 7 |
| Rainy days | 10 | 2 | 14 | 16 | 27 | 28 | 30 | 30 | 29 | 24 | 24 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rāyarpālaiyam is at