Average annual temperature is 26.6 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: 22.7 °C
Number of sunny days: 8 days
Number of rainy days: 357 days
Look at detailed online map of Japandai
* Weather data for Japandai 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) | 34.5 | 35.0 | 33.9 | 33.8 | 33.4 | 33.1 | 33.0 | 34.1 | 33.8 | 34.8 | 34.7 | 34.4 |
| Average daytime temperature (°C) | 31.4 | 31.0 | 32.1 | 30.8 | 31.1 | 30.8 | 31.3 | 31.9 | 32.1 | 31.8 | 32.3 | 31.8 |
| Average temperature (°C) | 26.5 | 26.2 | 26.6 | 26.1 | 26.6 | 26.4 | 26.7 | 26.8 | 27.0 | 27.0 | 27.1 | 26.5 |
| Average night temperature (°C) | 23.8 | 23.8 | 23.5 | 23.7 | 24.0 | 23.8 | 24.0 | 23.9 | 23.9 | 24.0 | 24.2 | 24.0 |
| Absolute minimum temperature (°C) | 23.0 | 23.1 | 22.7 | 22.8 | 23.1 | 23.1 | 22.8 | 22.9 | 22.7 | 22.7 | 22.8 | 23.4 |
| 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) | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 | 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) | 8.1 | 6.1 | 7.8 | 6.9 | 7.5 | 8.2 | 9.2 | 9.2 | 9.2 | 8.3 | 8.9 | 7.2 |
| Precipitation (mm) | 498 | 519 | 643 | 557 | 542 | 278 | 283 | 250 | 247 | 452 | 482 | 715 |
| Sunny days | 0 | 1 | 0 | 0 | 0 | 2 | 2 | 2 | 1 | 0 | 0 | 0 |
| Rainy days | 31 | 27 | 31 | 30 | 31 | 28 | 29 | 29 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Japandai is at