Average annual temperature is 26.9 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 14.0 °C
Number of sunny days: 138 days
Number of rainy days: 227 days
Look at detailed online map of Siruvallūr
* Weather data for Siruvallūr 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) | 29.6 | 33.9 | 35.7 | 37.9 | 38.9 | 38.9 | 36.1 | 36.5 | 35.7 | 34.6 | 30.9 | 32.9 |
| Average daytime temperature (°C) | 28.0 | 31.7 | 33.6 | 35.2 | 35.4 | 35.1 | 33.3 | 35.2 | 33.1 | 32.4 | 28.9 | 28.3 |
| Average temperature (°C) | 22.7 | 24.7 | 26.8 | 28.8 | 29.4 | 29.6 | 28.5 | 29.2 | 27.6 | 27.0 | 24.8 | 24.3 |
| Average night temperature (°C) | 17.9 | 17.9 | 21.3 | 23.1 | 24.5 | 25.5 | 24.9 | 24.5 | 23.8 | 22.3 | 22.2 | 21.0 |
| Absolute minimum temperature (°C) | 14.0 | 15.7 | 18.2 | 21.0 | 22.5 | 23.5 | 23.2 | 23.1 | 22.9 | 19.3 | 21.3 | 17.7 |
| 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) | 10.2 | 10.7 | 10.9 | 11.2 | 10.1 | 9.3 | 6.9 | 10.3 | 9.0 | 10.3 | 8.2 | 8.5 |
| Precipitation (mm) | 8 | 0 | 68 | 33 | 120 | 106 | 66 | 99 | 199 | 125 | 310 | 45 |
| Sunny days | 21 | 27 | 18 | 17 | 12 | 4 | 9 | 6 | 2 | 7 | 5 | 10 |
| Rainy days | 10 | 1 | 13 | 13 | 19 | 26 | 22 | 25 | 28 | 24 | 25 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siruvallūr is at