Average annual temperature is 23.1 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 1 day
Number of rainy days: 364 days
Look at detailed online map of Sundum
* Weather data for Sundum 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) | 29.3 | 29.1 | 30.2 | 29.4 | 30.4 | 29.2 | 29.2 | 29.5 | 29.5 | 30.7 | 29.5 | 30.2 |
| Average daytime temperature (°C) | 27.3 | 26.7 | 27.6 | 26.8 | 27.3 | 27.0 | 27.2 | 27.6 | 27.8 | 27.7 | 27.8 | 27.5 |
| Average temperature (°C) | 23.0 | 22.8 | 23.0 | 22.8 | 23.3 | 22.9 | 23.0 | 23.0 | 23.1 | 23.3 | 23.4 | 23.2 |
| Average night temperature (°C) | 20.4 | 20.6 | 20.3 | 20.5 | 20.9 | 20.4 | 20.5 | 20.2 | 20.2 | 20.3 | 20.7 | 21.0 |
| Absolute minimum temperature (°C) | 19.3 | 19.4 | 18.9 | 19.9 | 20.0 | 19.4 | 19.6 | 19.1 | 19.1 | 19.4 | 19.8 | 20.4 |
| 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) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| 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) | 6.9 | 5.7 | 7.5 | 5.5 | 6.9 | 7.2 | 7.8 | 8.7 | 8.3 | 7.9 | 8.2 | 6.3 |
| Precipitation (mm) | 213 | 344 | 283 | 395 | 342 | 211 | 321 | 286 | 272 | 260 | 293 | 443 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sundum is at