Shark Bay has a semi-arid climate with hot, dry summers and mild winters. The average annual temperature is 26.5ºC and the average annual rainfall is 228 mm. This mild climate is paired with a sometimes intense southerly wind, especially between October and April.
July is the coolest month with an average minimum of about 10ºC and maximum temperatures up to 20–25ºC. February is usually the hottest month with an average minimum of 23ºC and the maximum averaging 35ºC, although temperatures can exceed 40ºC.
July has the highest average rainfall of 56mm, while December is the driest month with rainfall averaging 1.3mm. December and January are the windiest months with average wind speeds exceeding 27 km/h. Cyclone season is from November to the end of April, although cyclones are not frequent.