Average annual temperature is 20.3 °C
Absolute maximum temperature: 28.9 °C
Absolute minimum temperature: 12.6 °C
Number of sunny days: 9 days
Number of rainy days: 356 days
Look at detailed online map of Atalum
* Weather data for Atalum 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 | 27.2 | 28.3 | 26.8 | 27.5 | 26.6 | 27.5 | 27.7 | 28.1 | 28.9 | 28.1 | 27.8 |
| Average daytime temperature (°C) | 25.4 | 24.7 | 25.3 | 24.4 | 25.1 | 25.0 | 25.6 | 26.1 | 26.1 | 26.2 | 26.5 | 25.9 |
| Average temperature (°C) | 20.1 | 20.1 | 20.0 | 19.8 | 20.3 | 20.1 | 20.5 | 20.4 | 20.5 | 20.5 | 20.9 | 21.0 |
| Average night temperature (°C) | 16.9 | 17.4 | 16.9 | 16.8 | 17.2 | 17.1 | 17.2 | 16.7 | 17.1 | 16.8 | 17.3 | 18.2 |
| Absolute minimum temperature (°C) | 15.7 | 16.1 | 15.4 | 15.2 | 15.4 | 15.0 | 15.6 | 13.4 | 13.7 | 12.6 | 15.2 | 17.1 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 11.9 | 12.1 | 12.2 | 12.3 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.3 | 7.0 | 7.9 | 7.8 | 7.9 | 8.9 | 9.3 | 9.8 | 8.8 | 8.9 | 8.9 | 7.6 |
| Precipitation (mm) | 424 | 1011 | 782 | 793 | 655 | 448 | 345 | 415 | 470 | 521 | 660 | 1130 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 4 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 29 | 31 | 27 | 30 | 27 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Atalum is at