Average annual temperature is 18.7 °C
Absolute maximum temperature: 26.1 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 9 days
Number of rainy days: 356 days
Look at detailed online map of Ainan
* Weather data for Ainan 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) | 24.1 | 24.0 | 24.6 | 23.8 | 24.7 | 23.7 | 24.1 | 24.3 | 26.1 | 24.8 | 24.5 | 24.1 |
| Average daytime temperature (°C) | 22.1 | 22.0 | 22.3 | 21.9 | 21.8 | 21.8 | 22.3 | 22.5 | 23.1 | 22.4 | 22.4 | 22.6 |
| Average temperature (°C) | 18.6 | 18.5 | 18.7 | 18.6 | 18.8 | 18.7 | 18.7 | 18.5 | 18.8 | 18.7 | 18.8 | 18.9 |
| Average night temperature (°C) | 16.4 | 16.6 | 16.4 | 16.5 | 16.8 | 16.8 | 16.7 | 16.1 | 16.2 | 16.5 | 16.7 | 16.8 |
| Absolute minimum temperature (°C) | 15.3 | 15.3 | 15.5 | 15.5 | 15.5 | 15.8 | 15.2 | 14.3 | 14.2 | 15.4 | 15.3 | 16.0 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.8 | 6.1 | 8.2 | 7.4 | 6.9 | 8.6 | 9.4 | 9.8 | 10.3 | 9.0 | 9.5 | 7.9 |
| Precipitation (mm) | 306 | 457 | 408 | 353 | 363 | 184 | 177 | 103 | 105 | 372 | 268 | 483 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 2 | 0 | 2 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 29 | 30 | 28 | 28 | 31 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ainan is at