Average annual temperature is 25.8 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: 20.1 °C
Number of sunny days: 19 days
Number of rainy days: 346 days
Look at detailed online map of Grenai
* Weather data for Grenai 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) | 35.2 | 33.7 | 33.2 | 33.4 | 33.4 | 32.2 | 32.3 | 32.6 | 32.3 | 34.6 | 33.7 | 34.2 |
| Average daytime temperature (°C) | 31.9 | 31.7 | 31.1 | 30.8 | 29.9 | 30.1 | 30.1 | 30.1 | 30.0 | 31.9 | 31.4 | 32.4 |
| Average temperature (°C) | 26.3 | 26.1 | 25.8 | 25.6 | 25.4 | 25.5 | 25.4 | 25.4 | 25.3 | 26.0 | 26.1 | 26.6 |
| Average night temperature (°C) | 23.1 | 23.1 | 22.8 | 22.9 | 23.0 | 23.1 | 22.8 | 22.3 | 22.4 | 22.8 | 23.0 | 23.6 |
| Absolute minimum temperature (°C) | 22.3 | 22.2 | 21.3 | 22.2 | 21.8 | 22.4 | 21.8 | 20.8 | 20.1 | 20.3 | 21.9 | 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 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) | 9.2 | 8.5 | 8.4 | 7.6 | 6.7 | 6.9 | 6.8 | 7.3 | 6.9 | 8.3 | 8.2 | 9.3 |
| Precipitation (mm) | 422 | 364 | 460 | 613 | 574 | 330 | 371 | 222 | 420 | 376 | 380 | 511 |
| Sunny days | 3 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 4 | 6 | 2 | 0 |
| Rainy days | 28 | 28 | 30 | 29 | 30 | 30 | 31 | 30 | 26 | 25 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grenai is at