Average annual temperature is 27.8 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 134 days
Number of rainy days: 231 days
Look at detailed online map of Sīyyamangalam
* Weather data for Sīyyamangalam 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) | 30.3 | 34.3 | 36.4 | 39.3 | 39.5 | 40.6 | 36.6 | 37.6 | 34.9 | 34.8 | 31.8 | 31.4 |
| Average daytime temperature (°C) | 29.0 | 32.0 | 34.2 | 37.1 | 36.7 | 35.9 | 34.1 | 35.8 | 33.3 | 32.8 | 29.4 | 28.7 |
| Average temperature (°C) | 23.6 | 25.0 | 27.4 | 29.9 | 30.8 | 30.8 | 29.4 | 30.3 | 28.7 | 27.9 | 25.3 | 24.9 |
| Average night temperature (°C) | 19.1 | 19.0 | 22.3 | 24.3 | 26.3 | 27.1 | 26.0 | 25.8 | 25.2 | 23.8 | 22.9 | 21.7 |
| Absolute minimum temperature (°C) | 16.2 | 16.6 | 18.6 | 21.4 | 23.5 | 24.5 | 23.9 | 24.3 | 23.9 | 22.4 | 21.3 | 19.0 |
| 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 | 11.7 | 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) | 10.0 | 10.3 | 10.8 | 11.2 | 10.2 | 9.4 | 7.4 | 10.4 | 9.5 | 10.1 | 6.9 | 7.9 |
| Precipitation (mm) | 10 | 1 | 44 | 18 | 87 | 141 | 89 | 112 | 131 | 110 | 342 | 85 |
| Sunny days | 17 | 24 | 15 | 19 | 16 | 6 | 8 | 8 | 5 | 4 | 3 | 9 |
| Rainy days | 14 | 4 | 16 | 11 | 15 | 24 | 23 | 23 | 25 | 27 | 27 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sīyyamangalam is at