Average annual temperature is 25.4 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 19.4 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Siawiti
* Weather data for Siawiti Papua New Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.4 | 34.7 | 34.1 | 33.3 | 33.0 | 33.0 | 32.8 | 31.6 | 33.0 | 33.8 | 34.0 | 34.5 |
| Average daytime temperature (°C) | 32.3 | 31.6 | 31.7 | 30.8 | 29.5 | 29.0 | 29.2 | 28.7 | 28.6 | 30.4 | 31.6 | 32.8 |
| Average temperature (°C) | 26.4 | 26.1 | 25.9 | 25.4 | 25.0 | 25.0 | 24.9 | 24.3 | 24.4 | 25.1 | 26.0 | 26.6 |
| Average night temperature (°C) | 23.1 | 23.1 | 22.8 | 22.7 | 22.8 | 23.0 | 22.6 | 21.8 | 22.2 | 22.5 | 23.1 | 23.3 |
| Absolute minimum temperature (°C) | 21.6 | 20.6 | 21.6 | 21.4 | 21.2 | 22.0 | 21.5 | 19.4 | 20.1 | 20.9 | 21.1 | 22.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.3 | 12.1 | 12.0 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.1 | 8.0 | 8.7 | 8.0 | 6.0 | 6.9 | 7.2 | 7.2 | 5.6 | 7.5 | 9.3 | 9.7 |
| Precipitation (mm) | 427 | 529 | 419 | 410 | 811 | 400 | 369 | 265 | 446 | 566 | 295 | 368 |
| Sunny days | 4 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 3 | 0 | 1 |
| Rainy days | 27 | 28 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 28 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siawiti is at