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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Perth on Christmas Day typically delivers a hot, dry summer’s day, with temperatures often climbing into the low-to-mid thirties Celsius; the live forecast above shows the exact high and low for this year, so check that before heading out to the Swan River or the coast.
Will it be a scorcher in Perth this Christmas?
Perth’s Christmas Day weather is usually shaped by a strong inland trough and sea breezes from the Indian Ocean that can cool the coast by late afternoon. The hottest Christmas Day in Perth was 44.2°C in 2021, but most years see a peak in the low 30s. For the exact christmas day weather perth 2025 celsius figures, rely on the live forecast above; conditions often shift quickly after Boxing Day as the trough weakens.
How does Boxing Day compare for weather in Perth?
Boxing Day weather perth often runs a degree or two cooler than Christmas Day, thanks to a reinforcing south-westerly change. It remains a popular day for beach trips and the start of the Sydney to Hobart race, but check the forecast above for any wind changes that might affect your plans.
Frequently asked questions about Perth Christmas weather
Is Christmas Day usually sunny in Perth?
Yes, Christmas Day in Perth is almost always sunny or mostly sunny. The chance of measurable rain on the day is low, around 10–15%, making it a reliable choice for outdoor celebrations at Kings Park or Cottesloe Beach.
How does the 2025 forecast compare to past years?
The live forecast above updates daily, but christmas day weather perth 2025 accuweather data may differ from the Bureau of Meteorology’s official outlook. Historically, Perth’s christmas day weather perth 2025 celsius figures tend to sit close to the long-term average unless a heatwave builds across the south-west.
What should I wear for a Perth Christmas Day barbecue?
Light, breathable clothing and a wide-brimmed hat are essential. The seabreeze often arrives after midday, so a long-sleeved shirt can help with sun protection. Expect perth weather december january to be consistently warm, with minimal overnight cooling.
For a wider outlook across the country, visit our Australia weather hub or the detailed Perth Weather page. Stay safe if a severe weather warning is issued.