Average annual temperature is 25.8 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 20.9 °C
Number of sunny days: 6 days
Number of rainy days: 359 days
Look at detailed online map of Koiara
* Weather data for Koiara 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) | 35.1 | 34.5 | 34.2 | 33.2 | 31.9 | 31.6 | 31.6 | 28.9 | 32.0 | 32.0 | 33.2 | 34.1 |
| Average daytime temperature (°C) | 31.6 | 31.4 | 31.1 | 30.6 | 28.7 | 28.4 | 28.5 | 27.7 | 27.6 | 29.1 | 30.6 | 32.2 |
| Average temperature (°C) | 26.8 | 26.4 | 26.3 | 25.9 | 25.3 | 25.3 | 25.3 | 24.5 | 24.7 | 25.3 | 26.3 | 27.1 |
| Average night temperature (°C) | 23.9 | 23.7 | 23.5 | 23.4 | 23.5 | 23.5 | 23.3 | 22.5 | 23.0 | 23.1 | 23.8 | 24.3 |
| Absolute minimum temperature (°C) | 22.5 | 22.7 | 22.5 | 22.4 | 22.5 | 22.7 | 22.1 | 20.9 | 21.1 | 21.8 | 22.4 | 23.0 |
| 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 | 12.5 | 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) | 9.0 | 7.9 | 8.8 | 8.1 | 5.6 | 6.9 | 7.4 | 8.0 | 5.8 | 7.5 | 9.4 | 9.7 |
| Precipitation (mm) | 421 | 451 | 355 | 393 | 557 | 295 | 170 | 192 | 266 | 406 | 215 | 363 |
| Sunny days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| Rainy days | 27 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koiara is at