Average annual temperature is 26.8 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 108 days
Number of rainy days: 257 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 | 35.5 | 38.8 | 39.1 | 37.4 | 37.8 | 34.5 | 37.7 | 34.9 | 35.9 | 33.5 | 31.0 |
| Average daytime temperature (°C) | 30.7 | 33.3 | 35.3 | 36.4 | 34.5 | 35.1 | 31.4 | 35.9 | 31.8 | 32.6 | 29.9 | 29.3 |
| Average temperature (°C) | 24.2 | 25.9 | 28.1 | 29.4 | 28.3 | 28.3 | 26.1 | 28.5 | 26.3 | 26.7 | 25.1 | 24.9 |
| Average night temperature (°C) | 18.8 | 19.2 | 21.7 | 23.4 | 24.0 | 23.8 | 22.6 | 23.6 | 22.8 | 22.4 | 21.3 | 20.9 |
| Absolute minimum temperature (°C) | 16.6 | 18.0 | 18.3 | 22.2 | 22.4 | 22.6 | 21.4 | 22.6 | 22.3 | 21.6 | 19.5 | 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) | 11.5 | 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) | 10.1 | 10.6 | 11.1 | 11.1 | 10.1 | 10.0 | 8.5 | 11.0 | 10.0 | 10.4 | 9.5 | 9.1 |
| Precipitation (mm) | 7 | 8 | 40 | 92 | 158 | 62 | 163 | 81 | 212 | 221 | 305 | 61 |
| Sunny days | 21 | 25 | 17 | 12 | 3 | 2 | 3 | 4 | 0 | 6 | 6 | 9 |
| Rainy days | 10 | 3 | 14 | 18 | 28 | 28 | 28 | 27 | 30 | 25 | 24 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rāyarpālaiyam is at