Climate Insights for Port Lincoln

The climate in Port Lincoln is temperate. The average annual temperature is 16°C and approximately 359mm of precipitation falls per year. August is the wettest month, receiving around 47mm of rainfall. Port Lincoln 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 July, August, June, when temperatures can drop to 11°C.

Port Lincoln has relatively stable temperatures year-round, staying within a 10°C range. January is the warmest month, though highs remain moderate at 21°C with a mean of 19°C. July is the coolest month, with minimum temperatures around 11°C and an average of 13°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.

Port Lincoln is a quite dry location, receiving approximately 359mm of precipitation annually, which averages out to around 30mm per month. The wettest month is August, averaging 47mm of rainfall. June and July also tend to see above-average precipitation. The driest month is March, with just 12mm. That's 35mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Port Lincoln is moderately windy, with an average annual wind speed of 28km/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 30km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in April, with average winds dropping to 26km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently autumn in Port Lincoln, which began on March 20, 2026. Port Lincoln 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 21°C, while the coldest stretch bottoms out in July near 11°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Port Lincoln is during January, February, March, April, May, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 24mm per month. By contrast, July can be quite cold with temperatures dropping to 11°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Port Lincoln 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.