The warmest month in Sydney is January, with an average high of 26.5°C and an average low of 19.3°C. The coldest month is July, with an average high of 17°C and an average low of 8.1°C. Between 2016 and 2025, the highest temperature recorded was 42°C (January 4, 2020) and the lowest was 1.1°C (July 16, 2018).
| Month | Avg. high | Avg. low | Precipitation |
|---|---|---|---|
| January | 26.5°C | 19.3°C | 107 mm |
| February | 26°C | 19.1°C | 109 mm |
| March | 24.8°C | 18.1°C | 157 mm |
| April | 22.7°C | 14.6°C | 77 mm |
| May | 19.6°C | 11.2°C | 78 mm |
| June | 16.8°C | 8.7°C | 74 mm |
| July | 17°C | 8.1°C | 75 mm |
| August | 18.1°C | 8.7°C | 69 mm |
| September | 20.9°C | 10.6°C | 54 mm |
| October | 22.6°C | 13.3°C | 73 mm |
| November | 23.7°C | 15.4°C | 81 mm |
| December | 25.9°C | 17.6°C | 65 mm |
Based on daily historical weather data 2016–2025. Weather data by Open-Meteo.com.
Explore detailed temperature patterns in Sydney, Australia through interactive candlestick charts. View historical weather data with daily temperature ranges, trends, and variations. Whether you're planning a trip to Sydney or analyzing local climate patterns, our unique visualization makes temperature data easy to understand. Get insights into Sydney's weather patterns from hourly updates to yearly historical data.