Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 83 days
Number of rainy days: 282 days
Look at detailed online map of Siruvanūr
* Weather data for Siruvanūr 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) | 32.2 | 33.0 | 35.3 | 37.7 | 38.0 | 40.3 | 39.5 | 39.2 | 35.9 | 34.6 | 31.0 | 32.2 |
| Average daytime temperature (°C) | 29.9 | 30.4 | 33.1 | 35.0 | 34.8 | 36.4 | 35.6 | 35.9 | 34.0 | 32.2 | 29.5 | 29.2 |
| Average temperature (°C) | 24.7 | 25.1 | 28.1 | 29.8 | 29.7 | 30.6 | 30.1 | 30.0 | 28.9 | 27.8 | 25.9 | 25.8 |
| Average night temperature (°C) | 20.5 | 20.5 | 23.8 | 25.6 | 26.0 | 26.8 | 26.5 | 26.2 | 25.5 | 24.4 | 23.2 | 23.1 |
| Absolute minimum temperature (°C) | 18.6 | 18.5 | 20.8 | 24.1 | 23.9 | 24.4 | 24.8 | 24.7 | 24.2 | 22.5 | 21.8 | 21.5 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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 | 10.0 | 11.1 | 11.2 | 9.5 | 10.0 | 8.7 | 11.3 | 10.3 | 10.5 | 7.9 | 8.1 |
| Precipitation (mm) | 11 | 48 | 27 | 63 | 139 | 128 | 57 | 128 | 148 | 255 | 495 | 138 |
| Sunny days | 21 | 21 | 11 | 10 | 8 | 4 | 2 | 2 | 0 | 1 | 1 | 2 |
| Rainy days | 10 | 7 | 20 | 20 | 23 | 26 | 29 | 29 | 30 | 30 | 29 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siruvanūr is at