Climate Insights for Port Augusta Airport

The climate in Port Augusta Airport is temperate. The average annual temperature is 18°C and approximately 257mm of precipitation falls per year. December is the wettest month, receiving around 34mm of rainfall. Port Augusta 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, December. The coldest months are June, July, August, when temperatures can drop to 5°C.

Temperatures in Port Augusta Airport vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 33°C and the mean temperature sits around 26°C. June is the coolest month, with minimum temperatures around 5°C and an average of 10°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

Port Augusta Airport is a quite dry location, receiving approximately 257mm of precipitation annually, which averages out to around 21mm per month. The wettest month is December, averaging 34mm of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 8mm. That's 26mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Port Augusta Airport is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently winter in Port Augusta Airport, which began on June 21, 2026. Port Augusta 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 33°C, while the coldest stretch bottoms out in June near 5°C. Spring is next, beginning on September 23, 2026 — 84 days from now.

The best time to visit Port Augusta Airport is during February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 22mm per month. By contrast, January can be uncomfortably hot with highs reaching 33°C, while June is the coldest period with lows dropping to 5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Port Augusta 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.