Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 16.9 °C
Number of sunny days: 134 days
Number of rainy days: 231 days
Look at detailed online map of Siyyamangalam
* Weather data for Siyyamangalam 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) | 31.1 | 34.8 | 36.1 | 39.4 | 39.0 | 40.1 | 38.8 | 39.9 | 35.8 | 36.3 | 32.0 | 32.0 |
| Average daytime temperature (°C) | 29.4 | 32.1 | 34.5 | 36.8 | 36.3 | 36.2 | 35.4 | 37.0 | 34.1 | 34.4 | 29.8 | 29.4 |
| Average temperature (°C) | 24.2 | 25.3 | 27.8 | 29.9 | 30.7 | 31.1 | 30.4 | 31.2 | 29.1 | 28.9 | 25.8 | 25.6 |
| Average night temperature (°C) | 19.7 | 19.7 | 22.8 | 24.3 | 26.1 | 27.0 | 26.3 | 26.4 | 25.5 | 24.5 | 23.1 | 22.4 |
| Absolute minimum temperature (°C) | 17.3 | 16.9 | 19.9 | 21.5 | 23.3 | 25.1 | 24.4 | 24.8 | 24.3 | 22.9 | 21.1 | 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 | 11.5 |
| 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 | 9.8 | 10.9 | 11.1 | 10.1 | 9.6 | 8.0 | 10.6 | 9.6 | 10.3 | 7.3 | 7.9 |
| Precipitation (mm) | 7 | 21 | 51 | 42 | 94 | 71 | 64 | 78 | 122 | 110 | 347 | 89 |
| Sunny days | 21 | 23 | 15 | 14 | 14 | 8 | 9 | 13 | 2 | 7 | 3 | 5 |
| Rainy days | 10 | 5 | 16 | 16 | 17 | 22 | 22 | 18 | 28 | 24 | 27 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siyyamangalam is at