Climate Insights for Cape Barren Island Airport

The climate in Cape Barren Island Airport is temperate. The average annual temperature is 15°C and approximately 596mm of precipitation falls per year. Cape Barren Island Airport receives a notable amount of rainfall throughout the year, including during its driest month. Cape Barren Island Airport is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, February, March. The coldest months are August, July, September, when temperatures can drop to 10°C.

Cape Barren Island Airport has relatively stable temperatures year-round, staying within a 10°C range. January is the warmest month, though highs remain moderate at 20°C with a mean of 18°C. August is the coolest month, with minimum temperatures around 10°C and an average of 11°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Cape Barren Island Airport is a relatively dry area, receiving approximately 596mm of precipitation annually, which averages out to around 50mm per month. The wettest month is January, averaging 58mm of rainfall. October and May also tend to see above-average precipitation. The driest month is February, with just 41mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Cape Barren Island Airport is very windy, with an average annual wind speed of 36km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 38km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in April, with average winds dropping to 35km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Cape Barren Island Airport, which began on March 20, 2026. Cape Barren Island Airport is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 20°C, while the coldest stretch bottoms out in August near 10°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Cape Barren Island Airport is during January, February, March, April and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 48mm per month. By contrast, August can be quite cold with temperatures dropping to 10°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Cape Barren Island Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.