Average annual temperature is 23.5 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 27 days
Number of rainy days: 338 days
Look at detailed online map of Siraisan
* Weather data for Siraisan Indonesia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.7 | 29.6 | 29.6 | 29.4 | 30.1 | 32.1 | 30.9 | 31.0 | 30.6 | 30.8 | 29.5 | 32.9 |
| Average daytime temperature (°C) | 26.4 | 27.3 | 26.9 | 27.7 | 28.3 | 29.1 | 28.4 | 28.1 | 28.6 | 28.9 | 28.1 | 27.2 |
| Average temperature (°C) | 22.5 | 22.8 | 22.8 | 23.5 | 24.1 | 24.3 | 23.9 | 23.6 | 24.1 | 24.0 | 23.6 | 23.0 |
| Average night temperature (°C) | 19.7 | 19.6 | 19.9 | 20.6 | 21.0 | 20.9 | 20.8 | 20.7 | 20.9 | 20.8 | 20.9 | 20.6 |
| Absolute minimum temperature (°C) | 18.4 | 18.6 | 18.7 | 19.0 | 19.7 | 19.7 | 19.2 | 20.0 | 19.1 | 19.9 | 19.8 | 19.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.5 | 9.3 | 8.8 | 8.6 | 9.2 | 9.5 | 8.9 | 8.1 | 9.5 | 8.7 | 8.2 | 8.2 |
| Precipitation (mm) | 144 | 225 | 216 | 217 | 139 | 149 | 129 | 277 | 148 | 160 | 356 | 528 |
| Sunny days | 0 | 3 | 0 | 0 | 2 | 4 | 11 | 2 | 4 | 1 | 0 | 0 |
| Rainy days | 31 | 25 | 31 | 30 | 29 | 26 | 20 | 29 | 26 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siraisan is at