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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Data Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Christmas Day 2025 in Sydney is likely to bring warm, humid conditions with a chance of late showers or thunderstorms, typical of the city’s December summer pattern. The live forecast above shows the expected temperature range and any trough activity for the day.
What will the temperature be on Christmas Day 2025 in Sydney?
Based on the live forecast above, Sydney’s Christmas Day 2025 temperature will likely sit in the mid-to-high 20s to low 30s Celsius. The city’s coastal position means a sea breeze often moderates the heat in the afternoon, but humidity can make it feel warmer. Check the live forecast for the exact maximum and minimum, as these can shift depending on cloud cover and any approaching troughs.
Will it rain on Christmas Day 2025 in Sydney?
December is one of Sydney’s wetter months, with a historical average of around 80–100 millimetres of rain. The live forecast above will indicate the chance of any showers or thunderstorms, which are common in the afternoon when the heat builds. A partly cloudy morning can give way to a stormy late afternoon, so keep an eye on the Bureau of Meteorology’s radar for real-time updates.
Is Christmas Day 2025 likely to be a beach day in Sydney?
If the live forecast shows no storms and a moderate sea breeze, yes. However, always check for coastal hazard warnings, as strong winds can create dangerous surf. The UV index will be high, so bring sunscreen and a hat.
How does Christmas Day weather in Sydney compare to other Australian cities?
What about Boxing Day weather in Sydney 2025?
The weather boxing day 2025 sydney often follows a similar pattern to Christmas Day, though a southerly change can bring cooler, fresher conditions. Check the live forecast for Boxing Day separately, as troughs can move through quickly.