Average annual temperature is 21.1 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: 14.3 °C
Number of sunny days: 34 days
Number of rainy days: 331 days
Look at detailed online map of Sampu
* Weather data for Sampu 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) | 28.1 | 29.0 | 28.9 | 26.7 | 28.4 | 26.9 | 28.9 | 28.0 | 28.4 | 30.0 | 30.7 | 29.8 |
| Average daytime temperature (°C) | 25.7 | 25.6 | 26.0 | 25.3 | 25.4 | 25.2 | 25.5 | 26.0 | 26.2 | 26.6 | 27.1 | 27.0 |
| Average temperature (°C) | 21.4 | 21.2 | 21.2 | 20.8 | 21.0 | 20.6 | 20.8 | 21.1 | 21.0 | 21.2 | 21.6 | 21.8 |
| Average night temperature (°C) | 18.4 | 18.5 | 18.1 | 17.6 | 18.3 | 17.3 | 17.6 | 17.7 | 17.2 | 17.6 | 17.5 | 18.3 |
| Absolute minimum temperature (°C) | 16.9 | 16.8 | 16.7 | 16.3 | 16.5 | 14.4 | 14.8 | 15.8 | 14.9 | 14.3 | 15.3 | 16.1 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 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) | 7.8 | 7.3 | 8.4 | 8.6 | 7.4 | 8.9 | 8.9 | 9.7 | 9.4 | 9.3 | 10.0 | 9.0 |
| Precipitation (mm) | 203 | 319 | 307 | 355 | 367 | 216 | 155 | 112 | 135 | 463 | 278 | 458 |
| Sunny days | 4 | 1 | 1 | 0 | 1 | 3 | 6 | 7 | 7 | 1 | 2 | 1 |
| Rainy days | 27 | 27 | 30 | 30 | 30 | 27 | 25 | 24 | 23 | 30 | 28 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sampu is at