Historical weather in Sydney, Australia
Sydney weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.
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Weather summary
Across 2023-2025, Sydney averaged 22.4 C for daily highs and 13.8 C for daily lows across 1096 daily observations.
The warmest month was December 2024, with an average high of 26.8 C, while June 2024 had the lowest average low at 7.5 C.
The wettest month was August 2025, totaling 233.1 mm of precipitation.
The hottest day reached 39.2 C on December 9, 2023; the coldest night fell to 2.4 C on June 20, 2024.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 18.0 | 25.1 | 170.6 | 31 |
| 2023 | February | 18.3 | 26.3 | 96.2 | 28 |
| 2023 | March | 18.0 | 26.4 | 99.0 | 31 |
| 2023 | April | 13.4 | 21.7 | 83.6 | 30 |
| 2023 | May | 9.0 | 18.8 | 30.4 | 31 |
| 2023 | June | 8.3 | 17.9 | 19.9 | 30 |
| 2023 | July | 7.7 | 18.8 | 22.0 | 31 |
| 2023 | August | 8.5 | 19.1 | 41.6 | 31 |
| 2023 | September | 10.1 | 23.0 | 18.7 | 30 |
| 2023 | October | 12.4 | 24.4 | 42.4 | 31 |
| 2023 | November | 15.7 | 23.2 | 133.2 | 30 |
| 2023 | December | 18.0 | 26.4 | 117.9 | 31 |
| 2024 | January | 19.6 | 26.6 | 117.9 | 31 |
| 2024 | February | 19.4 | 26.5 | 82.3 | 29 |
| 2024 | March | 17.0 | 25.5 | 58.9 | 31 |
| 2024 | April | 13.9 | 21.9 | 160.4 | 30 |
| 2024 | May | 11.3 | 18.8 | 159.7 | 31 |
| 2024 | June | 7.5 | 16.0 | 139.8 | 30 |
| 2024 | July | 8.3 | 16.1 | 38.4 | 31 |
| 2024 | August | 9.9 | 19.4 | 35.8 | 31 |
| 2024 | September | 10.8 | 22.1 | 59.8 | 30 |
| 2024 | October | 12.3 | 21.7 | 41.2 | 31 |
| 2024 | November | 17.5 | 25.1 | 120.8 | 30 |
| 2024 | December | 19.1 | 26.8 | 53.1 | 31 |
| 2025 | January | 19.0 | 25.2 | 188.5 | 31 |
| 2025 | February | 19.4 | 26.1 | 66.2 | 28 |
| 2025 | March | 19.7 | 25.4 | 113.0 | 31 |
| 2025 | April | 15.5 | 23.2 | 100.4 | 30 |
| 2025 | May | 13.0 | 19.4 | 195.3 | 31 |
| 2025 | June | 7.5 | 16.3 | 15.9 | 30 |
| 2025 | July | 8.5 | 16.2 | 124.6 | 31 |
| 2025 | August | 9.9 | 16.9 | 233.1 | 31 |
| 2025 | September | 11.7 | 22.1 | 78.6 | 30 |
| 2025 | October | 15.3 | 25.7 | 31.5 | 31 |
| 2025 | November | 16.2 | 25.6 | 47.8 | 30 |
| 2025 | December | 17.5 | 26.5 | 67.9 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | December 9, 2023 | 39.2 C |
| Coldest night | June 20, 2024 | 2.4 C |
| Wettest day | August 21, 2025 | 66.6 mm |
Related pages
- Sydney weather in 2023
- Sydney weather in 2024
- Sydney weather in 2025
- Sydney weather on this day
- Historical weather in Melbourne, Australia
- Historical weather in Brisbane, Australia
- Historical weather in Adelaide, Australia
- Historical weather in Auckland, New Zealand
- Sydney vs Melbourne, Australia: weather compared
- Sydney vs Cape Town, South Africa: weather compared
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.