Average annual temperature is 15.8 °C
Absolute maximum temperature: 23.0 °C
Absolute minimum temperature: 6.8 °C
Number of sunny days: 8 days
Number of rainy days: 357 days
Look at detailed online map of Sumia
* Weather data for Sumia 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) | 22.3 | 22.7 | 22.3 | 23.0 | 22.8 | 21.5 | 21.9 | 21.5 | 21.4 | 22.0 | 23.0 | 22.7 |
| Average daytime temperature (°C) | 21.1 | 20.7 | 21.0 | 20.4 | 20.1 | 19.8 | 19.5 | 18.8 | 19.1 | 20.3 | 21.1 | 21.7 |
| Average temperature (°C) | 16.1 | 16.3 | 15.8 | 15.7 | 16.1 | 15.8 | 15.7 | 15.1 | 15.4 | 15.5 | 16.0 | 16.4 |
| Average night temperature (°C) | 12.5 | 13.3 | 12.2 | 12.4 | 13.5 | 12.9 | 13.1 | 13.0 | 13.1 | 11.9 | 11.8 | 12.7 |
| Absolute minimum temperature (°C) | 11.1 | 11.7 | 10.3 | 10.9 | 11.8 | 10.4 | 9.5 | 8.5 | 9.8 | 6.8 | 8.1 | 11.7 |
| 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 | 7.2 | 7.9 | 7.0 | 5.7 | 7.1 | 6.9 | 6.4 | 5.8 | 7.6 | 8.4 | 9.0 |
| Precipitation (mm) | 342 | 321 | 366 | 395 | 526 | 383 | 286 | 415 | 482 | 396 | 199 | 385 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 2 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 29 | 27 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sumia is at