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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australian News Desk Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Sydney’s climate brings warm summers and mild winters, but the live forecast above shows conditions can vary day to day – the most useful thing to know is that January and February are the hottest months, averaging around 26°C, while July is the coolest at about 17°C.
What is the typical monthly weather pattern in Sydney?
From October to April, expect warm to hot weather with humidity rising in summer. Winter (June–August) is cooler but still pleasant, with average highs of 17°C. Rainfall is spread fairly evenly, though autumn and early winter often see more rainy days. For a deeper dive into the city’s conditions, our Sydney weather page updates daily.
How does Sydney’s temperature vary by month?
Using long-term Bureau of Meteorology data, the sydney temperature by month in Celsius shows January as the hottest (average max 26.4°C) and July as the coolest (average max 17.2°C). Spring and autumn offer the most comfortable transitions – weather in sydney in october november is particularly mild, with highs around 22–24°C. For those planning ahead, a 28 day weather forecast sydney can help with short-term planning.
What are the chances of extreme heat in Sydney during February?
February is historically Sydney’s second-hottest month. The february weather sydney 2026 outlook from the BOM suggests average maximums near 26°C, but heatwaves can push daytime temps above 35°C. For a reliable february weather sydney 2026 bom update, check their long-range forecast.
Is there a reliable 3-month forecast for Sydney?
Yes, the Bureau of Meteorology issues a 3 month weather forecast sydney accuweather-style outlook (temperature and rainfall probabilities) around mid-month. While not as precise as short-term predictions, it gives a useful guide for seasonal planning – especially for events or travel.
How does Sydney’s monthly weather compare to Melbourne?
Sydney is generally warmer and more humid than Melbourne, especially in summer. For a side‑by‑side view, our melbourne weather page includes melbourne weather by month data. Sydney also tends to have fewer extreme cold snaps, though both cities experience occasional severe thunderstorms.