Average annual temperature is 17.2 °C
Absolute maximum temperature: 24.8 °C
Absolute minimum temperature: 8.1 °C
Number of sunny days: 7 days
Number of rainy days: 358 days
Look at detailed online map of Sumi
* Weather data for Sumi 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) | 24.0 | 23.6 | 24.3 | 24.0 | 24.1 | 22.9 | 22.8 | 23.1 | 22.9 | 23.0 | 24.4 | 24.8 |
| Average daytime temperature (°C) | 22.2 | 21.8 | 22.3 | 21.7 | 21.2 | 21.0 | 20.7 | 20.0 | 20.2 | 21.4 | 22.2 | 22.8 |
| Average temperature (°C) | 17.5 | 17.7 | 17.2 | 17.2 | 17.4 | 17.3 | 17.0 | 16.5 | 16.7 | 16.8 | 17.3 | 17.9 |
| Average night temperature (°C) | 14.0 | 14.8 | 13.7 | 14.0 | 14.9 | 14.7 | 14.6 | 14.4 | 14.7 | 13.4 | 13.3 | 14.3 |
| Absolute minimum temperature (°C) | 12.1 | 12.8 | 12.1 | 11.3 | 13.1 | 12.6 | 12.4 | 11.1 | 11.3 | 8.1 | 9.4 | 12.7 |
| 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) | 8.2 | 7.5 | 7.8 | 6.8 | 5.5 | 7.0 | 6.8 | 6.6 | 5.6 | 7.3 | 8.7 | 8.9 |
| Precipitation (mm) | 338 | 270 | 365 | 449 | 557 | 467 | 363 | 503 | 611 | 442 | 310 | 415 |
| Sunny days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 2 | 0 |
| Rainy days | 30 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 30 | 28 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sumi is at