Climate Insights for Busselton

The climate in Busselton is temperate. The average annual temperature is 17°C and approximately 658mm of precipitation falls per year. July is the wettest month, receiving around 137mm of rainfall. Busselton 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, September, when temperatures can drop to 11°C.

Busselton sees moderate temperature variation throughout the year, ranging from 11°C to 26°C. The warmest month is January, when average highs reach 26°C and the mean temperature sits around 21°C. August 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 7°C between highs and lows. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.

Busselton is a relatively dry area, receiving approximately 658mm of precipitation annually, which averages out to around 55mm per month. The wettest month is July, averaging 137mm of rainfall. August and June also tend to see above-average precipitation. The driest month is December, with just 8mm. That's 129mm less than July, 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.

Busselton is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 16km/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 winter in Busselton, which began on June 21, 2026. Busselton 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 26°C, while the coldest stretch bottoms out in August near 11°C. Spring is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Busselton is during January, February, March, April, May, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 27mm per month. By contrast, August 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 Busselton 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.