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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Briefly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows Denham’s conditions over the coming days, typical for late autumn on the Shark Bay coast. Denham experiences a semi-arid climate with warm, dry summers and mild winters, moderated by the Indian Ocean.
What are Denham’s average temperatures and rainfall?
Summer (December–February) averages 23–33°C, with January the hottest month. Winter (June–August) averages 11–22°C, with July the coolest. Annual rainfall is around 200 mm, falling mainly in winter. The region receives about 10–12 rain days per month in winter and 2–4 in summer. Sea breezes often moderate afternoon heat from spring through autumn. For broader regional context, the Australia weather hub covers conditions across the country.
How does weather affect travel to Denham and Monkey Mia?
The dry climate makes Denham a year-round destination, but the best conditions for outdoor activities are autumn (March–May) and spring (September–November), when temperatures are mild and winds lighter. For those checking geraldton weather or monkey mia weather, note that the broader region shares similar patterns, with coastal areas slightly cooler than inland. The denham weather 14 day forecast and denham weather 28 day forecast offer useful planning guides, while denham weather radar helps track approaching systems. The Perth weather page provides a useful comparison for the southwest of the state.
What is the best time to visit Denham?
Autumn (March–May) and spring (September–November) offer the most comfortable weather, with daytime temperatures between 22–28°C and lower humidity. Summer can be hot but is still popular for marine activities, while winter is mild but windier.
How reliable is the denham weather radar?
The denham weather radar from the Bureau of Meteorology provides good coverage for the Shark Bay region, showing rain bands and storms. However, the nearest radar is at Geraldton, so very localised showers may be detected with some lag. Use the denham weather bom page for updates.
Does Denham experience cyclones?
Tropical cyclones occasionally affect the Shark Bay coast, typically between November and April. These systems can bring heavy rain, strong winds, and storm surges. The denham weather 14 day forecast and denham weather 28 day forecast should be monitored during cyclone season.