Sydney, New South Wales, Australia climate
Average temperatures, precipitation and all-time records for Sydney, New South Wales, Australia, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is January, averaging a high of 25°C, and its coldest is July, with an average low of 9°C.
Sydney is the capital city of the state of New South Wales, and the most populous city in Australia. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Sydney, New South Wales, Australia's own ±7-day seasonal distribution.
Notable weather in Sydney
During the 2019–20 'Black Summer' bushfires, hazardous smoke repeatedly blanketed Sydney, pushing its air quality to some of the worst of any major city. Read more →
Sydney average temperatures by month
Typical daily high and low, and average precipitation, for each month in Sydney, New South Wales, Australia, based on 1980–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 25°C | 19°C | 3 mm |
| February | 25°C | 19°C | 3 mm |
| March | 24°C | 18°C | 3 mm |
| April | 21°C | 15°C | 3 mm |
| May | 19°C | 13°C | 3 mm |
| June | 16°C | 10°C | 3 mm |
| July | 15°C | 9°C | 0 mm |
| August | 17°C | 9°C | 0 mm |
| September | 19°C | 11°C | 0 mm |
| October | 21°C | 13°C | 3 mm |
| November | 22°C | 16°C | 3 mm |
| December | 24°C | 18°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
Thinking of visiting Sydney?
Trips live and die by the weather. See how Sydney's comfort stacks up against where you live. Sydney is pre-loaded, just add your city.
Record extremes
- Hottest day on record: 39°C on 2013-01-18
- Coldest day on record: 3°C on 1995-07-05
Percentiles compare each day to Sydney, New South Wales, Australia's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →