Average annual temperature is 25.7 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 46 days
Number of rainy days: 319 days
Look at detailed online map of Efafan
* Weather data for Efafan 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) | 35.3 | 36.2 | 34.1 | 32.9 | 33.4 | 31.6 | 33.3 | 33.0 | 33.0 | 33.9 | 35.2 | 36.7 |
| Average daytime temperature (°C) | 31.6 | 31.5 | 31.9 | 31.1 | 30.3 | 29.5 | 30.0 | 30.3 | 30.2 | 31.4 | 32.4 | 33.0 |
| Average temperature (°C) | 26.3 | 25.9 | 26.1 | 25.6 | 25.5 | 24.8 | 25.0 | 24.9 | 25.0 | 25.6 | 26.5 | 26.8 |
| Average night temperature (°C) | 22.6 | 22.6 | 22.3 | 22.1 | 22.6 | 21.9 | 21.6 | 21.8 | 21.5 | 22.0 | 22.4 | 22.8 |
| Absolute minimum temperature (°C) | 21.3 | 21.3 | 20.5 | 20.7 | 20.9 | 20.6 | 18.2 | 18.7 | 16.5 | 19.4 | 18.9 | 20.8 |
| 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 | 12.0 | 11.8 | 11.7 | 11.8 | 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) | 8.7 | 7.6 | 9.3 | 8.9 | 7.8 | 8.5 | 8.8 | 9.2 | 9.0 | 9.4 | 10.3 | 9.3 |
| Precipitation (mm) | 133 | 186 | 184 | 207 | 266 | 206 | 114 | 113 | 158 | 202 | 66 | 154 |
| Sunny days | 6 | 3 | 5 | 2 | 1 | 2 | 6 | 5 | 5 | 3 | 4 | 4 |
| Rainy days | 25 | 25 | 26 | 28 | 30 | 28 | 25 | 26 | 25 | 28 | 26 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Efafan is at