Average annual temperature is 25.9 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: 21.1 °C
Number of sunny days: 14 days
Number of rainy days: 351 days
Look at detailed online map of Koumaio
* Weather data for Koumaio 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) | 35.2 | 34.4 | 33.2 | 32.9 | 32.5 | 32.3 | 32.8 | 30.7 | 32.9 | 33.0 | 34.1 | 34.2 |
| Average daytime temperature (°C) | 31.9 | 31.2 | 31.4 | 30.5 | 29.0 | 29.1 | 28.9 | 28.5 | 28.5 | 30.1 | 31.3 | 32.4 |
| Average temperature (°C) | 27.1 | 26.7 | 26.4 | 26.0 | 25.3 | 25.5 | 25.4 | 24.7 | 24.8 | 25.6 | 26.6 | 27.3 |
| Average night temperature (°C) | 24.0 | 23.9 | 23.4 | 23.5 | 23.4 | 23.4 | 23.3 | 22.5 | 22.9 | 23.2 | 23.8 | 24.3 |
| Absolute minimum temperature (°C) | 22.8 | 23.0 | 22.2 | 22.7 | 22.2 | 22.7 | 22.3 | 21.2 | 21.1 | 21.8 | 22.8 | 23.3 |
| 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 | 11.9 | 11.8 | 11.7 | 11.7 | 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) | 9.2 | 8.0 | 8.5 | 7.9 | 5.3 | 6.2 | 7.1 | 7.8 | 5.7 | 7.6 | 9.3 | 9.9 |
| Precipitation (mm) | 336 | 362 | 328 | 382 | 645 | 301 | 209 | 109 | 212 | 397 | 207 | 326 |
| Sunny days | 6 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 1 | 0 |
| Rainy days | 25 | 28 | 30 | 30 | 31 | 30 | 30 | 31 | 28 | 28 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Koumaio during the most sunny months:
The largest precipitation sum in Koumaio is at