Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 118 days
Number of rainy days: 247 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) | 30.6 | 34.0 | 35.9 | 39.4 | 38.8 | 40.4 | 39.0 | 39.8 | 36.3 | 36.7 | 31.8 | 32.3 |
| Average daytime temperature (°C) | 29.0 | 31.4 | 33.9 | 36.4 | 36.3 | 37.1 | 35.9 | 37.4 | 34.0 | 34.0 | 29.5 | 29.1 |
| Average temperature (°C) | 23.7 | 24.7 | 27.5 | 29.9 | 30.4 | 31.0 | 30.1 | 31.2 | 28.6 | 28.4 | 25.4 | 25.2 |
| Average night temperature (°C) | 19.3 | 19.1 | 22.4 | 24.1 | 25.5 | 26.1 | 25.7 | 25.9 | 24.7 | 23.9 | 22.8 | 22.2 |
| Absolute minimum temperature (°C) | 16.6 | 17.2 | 18.9 | 21.7 | 23.5 | 24.7 | 24.7 | 24.8 | 23.9 | 22.4 | 21.3 | 20.0 |
| 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) | 9.9 | 9.9 | 10.8 | 11.1 | 10.0 | 9.5 | 7.6 | 10.2 | 9.3 | 10.2 | 7.3 | 7.3 |
| Precipitation (mm) | 12 | 37 | 45 | 36 | 134 | 55 | 65 | 79 | 186 | 125 | 392 | 89 |
| Sunny days | 16 | 25 | 13 | 13 | 17 | 9 | 6 | 8 | 0 | 4 | 0 | 7 |
| Rainy days | 15 | 3 | 18 | 17 | 14 | 21 | 25 | 23 | 30 | 27 | 30 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siruvayalūr is at