Average annual temperature is 27.8 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 16.0 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of Rāyampettai
* Weather data for Rāyampettai 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) | 30.3 | 34.7 | 36.2 | 38.9 | 39.1 | 39.9 | 37.5 | 38.0 | 35.1 | 35.0 | 31.9 | 31.3 |
| Average daytime temperature (°C) | 28.8 | 32.2 | 34.1 | 36.4 | 36.3 | 35.9 | 34.5 | 35.8 | 33.3 | 33.1 | 29.3 | 28.6 |
| Average temperature (°C) | 23.5 | 25.2 | 27.3 | 29.6 | 30.6 | 30.9 | 29.9 | 30.4 | 28.5 | 27.9 | 25.3 | 24.8 |
| Average night temperature (°C) | 18.8 | 18.9 | 22.1 | 23.9 | 26.1 | 27.3 | 26.3 | 26.1 | 25.1 | 23.6 | 22.6 | 21.5 |
| Absolute minimum temperature (°C) | 16.0 | 16.6 | 18.2 | 21.0 | 23.6 | 24.7 | 24.0 | 24.3 | 23.9 | 21.7 | 21.0 | 18.9 |
| 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 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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 | 10.3 | 10.9 | 11.2 | 10.0 | 9.4 | 7.2 | 10.5 | 9.6 | 10.2 | 7.4 | 7.7 |
| Precipitation (mm) | 9 | 2 | 50 | 25 | 106 | 126 | 91 | 88 | 150 | 115 | 323 | 92 |
| Sunny days | 18 | 25 | 18 | 17 | 12 | 6 | 5 | 11 | 4 | 4 | 2 | 9 |
| Rainy days | 13 | 3 | 13 | 13 | 19 | 24 | 26 | 20 | 26 | 27 | 28 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rāyampettai is at