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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out on the water or into Shark Bay, as Denham’s coastal conditions can shift quickly with sea breezes and passing troughs.
What makes Denham’s weather different from the rest of the Mid West coast?
Denham sits on the western side of the Peron Peninsula, so it gets a slightly milder, more maritime climate than inland spots like the Murchison. The live forecast above will show you today’s trend, but here are the key patterns to know:
- Summer (Dec–Feb): Average maxima around 30–33°C, but the afternoon sea breeze keeps the coast cooler than Geraldton weather further south. Overnight lows drop to 18–22°C.
- Winter (Jun–Aug): Daytime highs of 19–22°C with clear, crisp nights down to 10–13°C. Rain is infrequent but can arrive with cold fronts from the west.
- Wind: Strong southerly to south-easterly winds are common from spring to early summer. Check the 10-day forecast for wind speed if you’re planning a trip to Monkey Mia or Francois Peron National Park.
- Cyclone season: November to April can bring tropical lows or ex-cyclones, though direct hits are rare. The Australia weather hub has updates if a system develops.
How reliable are the long-range forecasts for Denham?
Denham’s location means 14-day and 28-day outlooks can shift, especially with wind direction. The denham weather 14 day forecast gives a useful trend, but the denham weather 28 day forecast is best used for broad seasonal hints rather than day-by-day certainty. For short-term changes, check the denham weather radar on the Bureau of Meteorology site—it picks up rain bands moving in from the Indian Ocean. The denham weather bom page is the most trusted source for official warnings.
Is Denham weather similar to Monkey Mia weather?
Very similar, as Monkey Mia is only 26 kilometres east of Denham on the same peninsula. Expect slightly calmer mornings in Monkey Mia before the sea breeze picks up. Both share the same dry, sunny character most of the year.
When is the best time to visit Denham?
April to June and September to November offer mild days (22–28°C) and lighter winds. These shoulder seasons avoid the peak summer heat and the strongest southerly winds of spring, making them ideal for fishing, kayaking and exploring the national park.
Does Denham get much rain?
No—Denham averages only about 250 mm of rain annually, most falling between May and August. Winter fronts can bring a day or two of steady drizzle, but the rest of the year is mostly dry and sunny.