Climate Insights for Exmouth

The climate in Exmouth is warm and mild. The average annual temperature is 24°C and approximately 142mm of precipitation falls per year. June is the wettest month, receiving around 61mm of rainfall. Exmouth 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: March, February, January. The coldest months are July, August, June, when temperatures can drop to 17°C.

Exmouth sees moderate temperature variation throughout the year, ranging from 17°C to 33°C. The warmest month is March, when average highs reach 33°C and the mean temperature sits around 29°C. July is the coolest month, with minimum temperatures around 17°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.

Exmouth is a quite dry location, receiving approximately 142mm of precipitation annually, which averages out to around 12mm per month. The wettest month is June, averaging 61mm of rainfall. July and February also tend to see above-average precipitation. The driest month is October, with just 0mm. That's 60mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Exmouth 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 November, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently winter in Exmouth, which began on June 21, 2026. Exmouth 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 March at around 33°C, while the coldest stretch bottoms out in July near 17°C. Spring is next, beginning on September 23, 2026 — 89 days from now.

The best time to visit Exmouth is during May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 15mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 33°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Exmouth 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.