Climate Overview
The climate in Port Lincoln Airport is temperate. The average annual temperature is 16°C and approximately 402mm of precipitation falls per year. August is the wettest month, receiving around 64mm of rainfall. Port Lincoln 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 August, July, June, when temperatures can drop to 10°C.
Temperature
Port Lincoln Airport sees moderate temperature variation throughout the year, ranging from 10°C to 24°C. January is the warmest month, though highs remain moderate at 24°C with a mean of 20°C. August is the coolest month, with minimum temperatures around 10°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Port Lincoln Airport is a relatively dry area, receiving approximately 402mm of precipitation annually, which averages out to around 34mm per month. The wettest month is August, averaging 64mm of rainfall. September and July also tend to see above-average precipitation. The driest month is March, with just 15mm. That's 49mm 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.
Wind
Port Lincoln Airport is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
84 days until Spring
It is currently winter in Port Lincoln Airport, which began on June 21, 2026. Port Lincoln 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 24°C, while the coldest stretch bottoms out in August near 10°C. Spring is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 11 to 21°C. Rainfall is relatively light, with around 107mm over the season and a monthly average of 36mm. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 16 to 24°C. Rainfall is relatively light, with around 73mm over the season and a monthly average of 24mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 13 to 22°C. Rainfall is relatively light, with around 78mm over the season and a monthly average of 26mm. Winds are generally light, averaging 5km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 10 to 15°C. Rainfall is relatively light, with around 145mm over the season and a monthly average of 48mm. Winds are generally light, averaging 5km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Port Lincoln Airport is during January, February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 25mm per month. By contrast, August can be quite cold with temperatures dropping to 10°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Port Lincoln 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.
