Climate Insights for Ceduna

The climate in Ceduna is temperate. The average annual temperature is 18°C and approximately 297mm of precipitation falls per year. August is the wettest month, receiving around 39mm of rainfall. Ceduna 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, December, February. The coldest months are July, June, August, when temperatures can drop to 9°C.

Ceduna sees moderate temperature variation throughout the year, ranging from 9°C to 28°C. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 23°C. July is the coolest month, with minimum temperatures around 9°C and an average of 13°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.

Ceduna is a quite dry location, receiving approximately 297mm of precipitation annually, which averages out to around 25mm per month. The wettest month is August, averaging 39mm of rainfall. June and January also tend to see above-average precipitation. The driest month is February, with just 12mm. That's 27mm 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.

Ceduna 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 January, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, 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 1km/h between the calmest and windiest months.

It is currently winter in Ceduna, which began on June 21, 2026. Ceduna 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 28°C, while the coldest stretch bottoms out in July near 9°C. Spring is next, beginning on September 23, 2026 — 89 days from now.

The best time to visit Ceduna is during January, February, March, April, May, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 23mm per month. By contrast, July can be quite cold with temperatures dropping to 9°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Ceduna 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.