Average annual temperature is 11.2 °C
Absolute maximum temperature: 18.8 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 14 days
Number of rainy days: 351 days
Look at detailed online map of Gehan
* Weather data for Gehan 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) | 18.8 | 17.8 | 18.0 | 18.0 | 18.1 | 17.2 | 17.3 | 16.2 | 17.4 | 18.0 | 18.2 | 18.3 |
| Average daytime temperature (°C) | 16.0 | 16.1 | 16.5 | 16.1 | 15.7 | 15.1 | 14.7 | 14.5 | 14.7 | 15.9 | 16.4 | 16.7 |
| Average temperature (°C) | 11.6 | 11.6 | 11.4 | 11.3 | 11.5 | 11.0 | 10.7 | 10.5 | 10.6 | 11.1 | 11.6 | 11.9 |
| Average night temperature (°C) | 8.1 | 8.3 | 7.4 | 7.6 | 8.3 | 7.9 | 7.8 | 7.9 | 7.8 | 7.6 | 7.9 | 8.3 |
| Absolute minimum temperature (°C) | 6.5 | 6.3 | 5.1 | 6.0 | 6.2 | 5.0 | 4.7 | 5.8 | 4.4 | 5.3 | 5.6 | 6.1 |
| 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) | 7.2 | 6.4 | 7.9 | 7.5 | 6.7 | 7.2 | 8.0 | 8.7 | 8.4 | 8.1 | 8.8 | 7.9 |
| Precipitation (mm) | 282 | 292 | 118 | 267 | 348 | 191 | 163 | 128 | 212 | 334 | 208 | 413 |
| Sunny days | 1 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 2 | 1 | 1 | 1 |
| Rainy days | 30 | 28 | 31 | 30 | 31 | 28 | 28 | 28 | 28 | 30 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gehan is at