Average annual temperature is 24.4 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 7 days
Number of rainy days: 358 days
Look at detailed online map of Isiani
* Weather data for Isiani 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) | 34.0 | 33.0 | 32.7 | 31.9 | 31.1 | 31.1 | 30.8 | 30.1 | 31.8 | 31.7 | 32.6 | 33.0 |
| Average daytime temperature (°C) | 30.7 | 30.4 | 30.2 | 29.5 | 27.9 | 27.6 | 27.4 | 26.8 | 26.8 | 28.7 | 30.0 | 31.3 |
| Average temperature (°C) | 25.5 | 25.3 | 25.1 | 24.6 | 24.0 | 23.9 | 23.8 | 23.0 | 23.2 | 24.0 | 24.9 | 25.8 |
| Average night temperature (°C) | 22.5 | 22.3 | 22.2 | 22.0 | 22.2 | 22.0 | 21.8 | 20.9 | 21.3 | 21.7 | 22.3 | 22.7 |
| Absolute minimum temperature (°C) | 21.2 | 21.4 | 21.3 | 21.1 | 21.0 | 21.3 | 20.7 | 19.8 | 19.3 | 20.7 | 21.0 | 21.3 |
| 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) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 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) | 9.0 | 7.7 | 8.5 | 7.9 | 6.0 | 6.2 | 6.9 | 7.2 | 5.3 | 7.2 | 9.1 | 9.7 |
| Precipitation (mm) | 433 | 400 | 378 | 471 | 704 | 459 | 335 | 209 | 360 | 534 | 284 | 405 |
| Sunny days | 4 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| Rainy days | 27 | 28 | 31 | 30 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Isiani during the most sunny months:
The largest precipitation sum in Isiani is at