Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 125 days
Number of rainy days: 240 days
Look at detailed online map of Sirulāpattu
* Weather data for Sirulāpattu 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) | 30.2 | 34.6 | 37.2 | 40.5 | 39.3 | 40.7 | 38.2 | 40.1 | 35.7 | 36.8 | 31.7 | 32.0 |
| Average daytime temperature (°C) | 29.1 | 31.6 | 34.2 | 37.2 | 36.5 | 36.0 | 35.1 | 37.2 | 34.1 | 34.3 | 29.5 | 29.0 |
| Average temperature (°C) | 23.9 | 24.9 | 27.7 | 29.9 | 30.9 | 31.0 | 30.3 | 31.3 | 29.3 | 29.0 | 25.7 | 25.4 |
| Average night temperature (°C) | 19.6 | 19.4 | 22.9 | 24.7 | 26.5 | 27.0 | 26.4 | 26.7 | 25.6 | 24.7 | 23.1 | 22.4 |
| Absolute minimum temperature (°C) | 16.9 | 16.6 | 19.5 | 21.3 | 23.6 | 24.6 | 24.7 | 24.8 | 24.6 | 23.0 | 20.7 | 19.6 |
| 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 | 12.7 | 12.8 | 12.7 | 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) | 9.8 | 9.8 | 10.9 | 11.0 | 10.0 | 9.4 | 7.5 | 10.6 | 10.0 | 10.2 | 7.1 | 7.8 |
| Precipitation (mm) | 9 | 13 | 52 | 45 | 83 | 139 | 78 | 61 | 168 | 144 | 401 | 84 |
| Sunny days | 15 | 22 | 16 | 14 | 15 | 8 | 10 | 12 | 5 | 4 | 1 | 3 |
| Rainy days | 16 | 6 | 15 | 16 | 16 | 22 | 21 | 19 | 25 | 27 | 29 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sirulāpattu is at