Average annual temperature is 26.2 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 22.6 °C
Number of sunny days: 4 days
Number of rainy days: 361 days
Look at detailed online map of Old Musu
* Weather data for Old Musu 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) | 31.0 | 30.6 | 31.0 | 30.8 | 31.5 | 31.3 | 31.1 | 31.7 | 31.0 | 32.4 | 32.2 | 31.9 |
| Average daytime temperature (°C) | 29.3 | 28.7 | 29.2 | 29.1 | 29.6 | 29.0 | 29.4 | 29.3 | 29.3 | 30.3 | 30.3 | 29.5 |
| Average temperature (°C) | 26.1 | 25.8 | 26.0 | 26.0 | 26.5 | 26.0 | 26.1 | 26.0 | 26.1 | 26.6 | 26.7 | 26.5 |
| Average night temperature (°C) | 23.7 | 23.7 | 23.7 | 23.8 | 24.2 | 23.8 | 23.7 | 23.5 | 23.7 | 23.9 | 24.1 | 24.3 |
| Absolute minimum temperature (°C) | 22.7 | 23.0 | 22.6 | 22.8 | 22.9 | 22.9 | 22.7 | 22.6 | 22.7 | 22.9 | 23.3 | 23.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.3 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 8.3 | 6.5 | 8.3 | 7.5 | 8.4 | 8.6 | 8.6 | 8.9 | 8.9 | 9.1 | 9.8 | 7.9 |
| Precipitation (mm) | 419 | 493 | 423 | 471 | 441 | 389 | 491 | 450 | 437 | 395 | 351 | 588 |
| Sunny days | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 29 | 28 | 30 | 31 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Old Musu is at