Average annual temperature is 25.7 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 38 days
Number of rainy days: 327 days
Look at detailed online map of Mamai
* Weather data for Mamai 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) | 33.2 | 32.5 | 31.8 | 32.6 | 31.2 | 29.1 | 32.0 | 27.3 | 30.8 | 28.9 | 34.0 | 34.1 |
| Average daytime temperature (°C) | 31.2 | 30.4 | 30.3 | 29.9 | 28.2 | 27.4 | 27.1 | 26.1 | 26.9 | 27.2 | 29.0 | 30.8 |
| Average temperature (°C) | 27.6 | 27.0 | 27.0 | 26.5 | 25.8 | 25.2 | 24.5 | 23.3 | 24.4 | 24.8 | 25.8 | 27.1 |
| Average night temperature (°C) | 25.3 | 24.9 | 24.6 | 24.3 | 24.3 | 23.4 | 22.7 | 21.2 | 22.4 | 23.1 | 23.2 | 24.4 |
| Absolute minimum temperature (°C) | 23.9 | 23.9 | 23.1 | 23.2 | 22.4 | 21.2 | 19.6 | 19.7 | 19.3 | 21.3 | 20.9 | 22.7 |
| 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) | 12.6 | 12.4 | 12.2 | 11.9 | 11.6 | 11.5 | 11.6 | 11.8 | 12.0 | 12.3 | 12.6 | 12.7 |
| 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) | 9.9 | 8.6 | 10.0 | 9.6 | 7.0 | 8.9 | 8.3 | 8.9 | 8.8 | 8.6 | 10.4 | 11.3 |
| Precipitation (mm) | 112 | 214 | 190 | 118 | 453 | 118 | 155 | 176 | 169 | 317 | 89 | 89 |
| Sunny days | 3 | 1 | 7 | 3 | 0 | 4 | 2 | 1 | 4 | 1 | 9 | 3 |
| Rainy days | 28 | 27 | 24 | 27 | 31 | 26 | 29 | 30 | 26 | 30 | 21 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mamai is at