Average annual temperature is 23.5 °C
Absolute maximum temperature: 29.2 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of Isina
* Weather data for Isina 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) | 28.5 | 28.0 | 28.5 | 28.7 | 28.0 | 27.7 | 28.0 | 27.9 | 27.7 | 28.7 | 28.8 | 29.2 |
| Average daytime temperature (°C) | 27.0 | 26.8 | 26.3 | 26.8 | 26.2 | 26.5 | 26.1 | 25.7 | 26.3 | 27.1 | 27.4 | 27.4 |
| Average temperature (°C) | 23.8 | 23.9 | 23.4 | 23.5 | 23.6 | 23.4 | 23.2 | 22.8 | 23.1 | 23.6 | 23.7 | 24.0 |
| Average night temperature (°C) | 21.6 | 21.8 | 21.3 | 21.1 | 21.7 | 21.4 | 21.4 | 21.1 | 21.1 | 21.1 | 21.0 | 21.5 |
| Absolute minimum temperature (°C) | 20.3 | 20.7 | 20.3 | 19.3 | 20.9 | 20.6 | 20.3 | 20.5 | 20.1 | 19.8 | 18.6 | 19.7 |
| 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 | 11.8 | 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) | 9.9 | 8.0 | 7.7 | 9.3 | 7.4 | 8.9 | 6.7 | 6.9 | 7.4 | 8.7 | 8.7 | 9.0 |
| Precipitation (mm) | 129 | 212 | 356 | 182 | 336 | 211 | 470 | 376 | 372 | 240 | 300 | 424 |
| Sunny days | 3 | 0 | 4 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
| Rainy days | 28 | 28 | 27 | 28 | 31 | 30 | 31 | 29 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isina is at