Average annual temperature is 25.1 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 15 days
Number of rainy days: 350 days
Look at detailed online map of Siompin
* Weather data for Siompin 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) | 30.8 | 30.7 | 31.0 | 31.2 | 32.4 | 32.2 | 31.1 | 31.3 | 30.4 | 30.2 | 30.1 | 30.8 |
| Average daytime temperature (°C) | 28.9 | 29.5 | 29.3 | 29.4 | 30.1 | 29.9 | 29.4 | 29.0 | 28.5 | 28.7 | 28.7 | 29.0 |
| Average temperature (°C) | 24.5 | 24.9 | 24.8 | 25.0 | 25.7 | 25.8 | 25.4 | 25.1 | 24.9 | 24.7 | 24.9 | 25.0 |
| Average night temperature (°C) | 21.2 | 21.4 | 21.6 | 22.1 | 22.7 | 22.4 | 22.1 | 22.2 | 22.4 | 22.1 | 22.5 | 22.5 |
| Absolute minimum temperature (°C) | 18.5 | 19.9 | 20.6 | 20.7 | 20.9 | 21.3 | 20.6 | 21.4 | 20.3 | 20.6 | 21.8 | 21.0 |
| 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 | 11.0 |
| Daylight mean duration (h) | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| Daylight minimum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.0 | 8.8 | 8.0 | 7.0 | 8.4 | 8.8 | 8.6 | 7.7 | 7.0 | 6.6 | 6.7 | 6.0 |
| Precipitation (mm) | 432 | 269 | 482 | 452 | 435 | 361 | 357 | 467 | 415 | 445 | 488 | 668 |
| Sunny days | 1 | 1 | 0 | 0 | 1 | 5 | 3 | 1 | 2 | 1 | 0 | 0 |
| Rainy days | 30 | 27 | 31 | 30 | 30 | 25 | 28 | 30 | 28 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siompin is at