Average annual temperature is 25.7 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: 20.3 °C
Number of sunny days: 30 days
Number of rainy days: 335 days
Look at detailed online map of Mumum
* Weather data for Mumum 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) | 32.2 | 34.4 | 34.3 | 31.8 | 31.3 | 29.9 | 30.1 | 30.7 | 30.5 | 31.3 | 31.4 | 32.5 |
| Average daytime temperature (°C) | 29.8 | 30.2 | 30.4 | 29.5 | 28.9 | 27.8 | 27.7 | 27.3 | 27.8 | 29.2 | 29.2 | 30.0 |
| Average temperature (°C) | 26.7 | 26.6 | 26.7 | 26.0 | 25.8 | 25.0 | 24.7 | 24.3 | 24.6 | 25.7 | 25.9 | 26.5 |
| Average night temperature (°C) | 24.5 | 24.2 | 24.3 | 23.6 | 23.5 | 22.9 | 22.6 | 22.3 | 22.4 | 23.2 | 23.4 | 24.1 |
| Absolute minimum temperature (°C) | 22.3 | 22.0 | 23.2 | 22.6 | 21.7 | 21.0 | 21.6 | 20.9 | 20.3 | 21.7 | 21.9 | 22.8 |
| 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) | 8.2 | 8.1 | 9.3 | 8.9 | 7.1 | 7.1 | 7.0 | 7.5 | 7.7 | 9.7 | 9.7 | 9.9 |
| Precipitation (mm) | 129 | 230 | 171 | 237 | 440 | 281 | 347 | 246 | 374 | 152 | 130 | 227 |
| Sunny days | 4 | 1 | 1 | 0 | 1 | 1 | 2 | 5 | 5 | 4 | 2 | 4 |
| Rainy days | 27 | 27 | 30 | 30 | 30 | 29 | 29 | 26 | 25 | 27 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mumum is at