Average annual temperature is 28.4 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 121 days
Number of rainy days: 244 days
Look at detailed online map of Siruvayalūr
* Weather data for Siruvayalūr 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) | 31.6 | 34.9 | 36.9 | 39.8 | 40.1 | 40.9 | 39.6 | 40.7 | 36.8 | 37.1 | 31.9 | 33.0 |
| Average daytime temperature (°C) | 29.8 | 32.1 | 34.9 | 37.2 | 36.7 | 37.9 | 36.4 | 37.0 | 34.7 | 34.1 | 29.8 | 29.5 |
| Average temperature (°C) | 24.5 | 25.4 | 28.4 | 30.4 | 30.6 | 31.6 | 30.4 | 30.9 | 29.0 | 28.4 | 25.8 | 25.7 |
| Average night temperature (°C) | 20.1 | 19.9 | 23.3 | 24.8 | 25.9 | 27.2 | 26.2 | 26.2 | 25.6 | 24.2 | 23.1 | 22.7 |
| Absolute minimum temperature (°C) | 17.6 | 17.2 | 20.8 | 23.1 | 23.8 | 25.1 | 24.2 | 24.7 | 24.2 | 22.8 | 21.1 | 20.4 |
| 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) | 10.0 | 9.9 | 10.9 | 10.9 | 9.9 | 9.9 | 7.9 | 10.8 | 9.7 | 10.4 | 8.1 | 7.8 |
| Precipitation (mm) | 4 | 39 | 56 | 64 | 155 | 47 | 51 | 122 | 164 | 154 | 352 | 71 |
| Sunny days | 21 | 24 | 14 | 11 | 12 | 8 | 7 | 12 | 2 | 3 | 0 | 7 |
| Rainy days | 10 | 4 | 17 | 19 | 19 | 22 | 24 | 19 | 28 | 28 | 30 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siruvayalūr is at