Average annual temperature is 14.6 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 105 days
Number of rainy days: 260 days
Look at detailed online map of Cape Barren Island
* Weather data for Cape Barren Island Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.6 | 31.2 | 26.0 | 21.6 | 16.6 | 18.5 | 14.3 | 17.7 | 19.5 | 20.6 | 22.6 | 27.4 |
| Average daytime temperature (°C) | 21.1 | 20.8 | 18.8 | 17.5 | 14.5 | 13.6 | 13.1 | 13.2 | 15.0 | 15.3 | 17.9 | 19.6 |
| Average temperature (°C) | 18.2 | 18.1 | 16.6 | 15.5 | 13.1 | 12.2 | 11.9 | 11.6 | 12.7 | 12.9 | 15.3 | 17.0 |
| Average night temperature (°C) | 16.1 | 15.9 | 14.7 | 13.8 | 11.5 | 10.6 | 10.9 | 10.1 | 10.9 | 11.1 | 13.3 | 14.9 |
| Absolute minimum temperature (°C) | 13.2 | 11.3 | 10.8 | 10.5 | 6.1 | 4.4 | 7.2 | 6.1 | 7.1 | 8.1 | 10.3 | 12.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 |
| Daylight mean duration (h) | 14.7 | 13.6 | 12.3 | 11.0 | 9.9 | 9.3 | 9.6 | 10.6 | 11.8 | 13.2 | 14.4 | 15.0 |
| Daylight minimum duration (h) | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.2 | 11.1 | 8.9 | 8.5 | 7.3 | 6.6 | 7.3 | 8.4 | 10.3 | 9.8 | 11.4 | 11.7 |
| Precipitation (mm) | 31 | 48 | 101 | 59 | 69 | 81 | 54 | 34 | 32 | 81 | 34 | 69 |
| Sunny days | 4 | 12 | 6 | 9 | 8 | 9 | 6 | 11 | 11 | 11 | 9 | 9 |
| Rainy days | 27 | 16 | 25 | 21 | 23 | 21 | 25 | 20 | 19 | 20 | 21 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Cape Barren Island during the most sunny months:
The largest precipitation sum in Cape Barren Island is at