Average annual temperature is 27.7 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: 23.1 °C
Number of sunny days: 37 days
Number of rainy days: 328 days
Look at detailed online map of Siatu
* Weather data for Siatu 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) | 30.5 | 30.7 | 30.4 | 31.0 | 31.2 | 31.0 | 31.6 | 33.1 | 34.3 | 33.9 | 31.8 | 31.0 |
| Average daytime temperature (°C) | 29.0 | 29.1 | 29.2 | 29.7 | 29.9 | 29.6 | 29.7 | 31.0 | 32.2 | 32.4 | 30.5 | 30.0 |
| Average temperature (°C) | 27.2 | 27.1 | 26.9 | 27.5 | 27.7 | 27.2 | 27.4 | 28.1 | 28.7 | 29.0 | 28.0 | 27.8 |
| Average night temperature (°C) | 25.1 | 24.8 | 24.5 | 25.4 | 25.5 | 24.8 | 25.5 | 25.9 | 26.3 | 26.2 | 25.6 | 25.7 |
| Absolute minimum temperature (°C) | 23.3 | 23.5 | 23.1 | 23.9 | 24.2 | 23.4 | 24.0 | 23.8 | 25.0 | 24.5 | 23.8 | 23.9 |
| 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 | 12.1 | 12.1 | 12.1 | 12.1 | 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) | 9.8 | 8.6 | 10.0 | 9.6 | 10.5 | 9.9 | 10.0 | 11.3 | 11.1 | 11.1 | 10.8 | 10.3 |
| Precipitation (mm) | 227 | 217 | 343 | 291 | 180 | 223 | 133 | 49 | 28 | 52 | 182 | 250 |
| Sunny days | 1 | 2 | 1 | 0 | 0 | 0 | 3 | 7 | 13 | 10 | 0 | 0 |
| Rainy days | 30 | 26 | 30 | 30 | 31 | 30 | 28 | 24 | 17 | 21 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siatu is at