Average annual temperature is 20.2 °C
Absolute maximum temperature: 28.5 °C
Absolute minimum temperature: 11.9 °C
Number of sunny days: 19 days
Number of rainy days: 346 days
Look at detailed online map of Heoka
* Weather data for Heoka 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) | 27.4 | 27.8 | 27.4 | 26.6 | 27.1 | 26.1 | 26.6 | 25.8 | 26.2 | 26.9 | 28.5 | 28.2 |
| Average daytime temperature (°C) | 25.8 | 25.4 | 25.5 | 24.7 | 24.2 | 24.0 | 23.9 | 23.0 | 23.5 | 25.1 | 25.8 | 26.6 |
| Average temperature (°C) | 20.7 | 20.8 | 20.4 | 20.1 | 20.3 | 19.9 | 19.8 | 19.3 | 19.6 | 20.0 | 20.5 | 21.1 |
| Average night temperature (°C) | 16.9 | 17.4 | 16.6 | 16.7 | 17.7 | 17.2 | 17.2 | 17.0 | 17.1 | 16.4 | 16.3 | 17.0 |
| Absolute minimum temperature (°C) | 15.1 | 15.5 | 14.8 | 14.5 | 15.8 | 14.9 | 15.1 | 14.3 | 13.5 | 11.9 | 13.8 | 14.9 |
| 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 | 8.0 | 8.9 | 7.2 | 6.8 | 7.7 | 7.6 | 7.3 | 6.4 | 8.4 | 9.1 | 9.4 |
| Precipitation (mm) | 321 | 257 | 290 | 285 | 493 | 289 | 243 | 169 | 280 | 187 | 160 | 270 |
| Sunny days | 3 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 3 | 5 | 3 | 0 |
| Rainy days | 28 | 27 | 31 | 30 | 31 | 29 | 30 | 29 | 27 | 26 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Heoka is at