Historical Weather for Sydney, Australia
Showing historical weather data for 1 Jan to 31 Dec over the last 5 years (2025-2025).
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Sydney, New South Wales, Australia (01-01 → 31-12)
Years 2025–2025 · Source: Meteostat
Showing 1 year series with 365 days for Sydney, New South Wales, Australia.
Latest Year Summary (2025)
Computed from observed daily Meteostat data for 2025 across the selected date window.
Average temperature
19.2°C
Long-term average unavailable
Total rainfall
1,437.4 mm
Across 2025 in the selected period
Rainfall details
- 🌧️ 186 rain days
- 💧 Wettest day: 2025-09-11 — 97.2 mm
Notable conditions
- 🔥 Heatwave days: 4
- 🌧️ Heavy rain days: 21
Average pressure
1,016.1 hPa
Weekly Rainfall Totals (2025)
Anomaly vs normal
n/a
No data
Record extremes
Daytime High: 39.0°C · 19 Dec 2025
Nighttime Low: 5.8°C · 19 Jun 2025
Precip & wind peaks
Rain: 97.2 mm · 11 Sept 2025
Wind: 24.0 kts · 17 Jan 2025
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How to read this weather history
Observed daily conditions for Sydney, New South Wales, Australia
The summary cards surface the main pattern first, while the chart and table below keep every day inspectable. Use this page for like-for-like date comparisons across years, not as a forecast.
Latest coverage
2025 · 365 days
01 Jan → 31 Dec from Meteostat.
Year span
2025
This view currently contains a single year of observations.
Observed extremes
High 39.0°C · Low 5.8°C
19 Dec 2025 to 19 Jun 2025 across 1 years.
Only one year is available for this selection, so the chart works best as a dated record of what happened rather than a long-term normal.
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Average temperature
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2025
365 days01 Jan → 31 Dec
Temperature
High: 13.6°C → 39.0°C
Low: 5.8°C → 23.9°C
Precipitation
Rain: 1,437.4 mm
Snow: 0.0 cm
Wind
20.1 km/h avg · 44.4 km/h peak
Accessible data table
Daily values for the first series (showing up to 30 rows)
| Day | High (°C) | Low (°C) | Rain (mm) (mm) | Snow (cm) (cm) | Wind (kts) (km/h) | Conditions |
|---|---|---|---|---|---|---|
| 01 Jan | 30.7°C | 21.7°C | 0.0 mm | n/a | 28.3 km/h | — |
| 02 Jan | 24.4°C | 20.6°C | 0.0 mm | n/a | 30.8 km/h | — |
| 03 Jan | 25.6°C | 18.4°C | 4.8 mm | n/a | 19.0 km/h | — |
| 04 Jan | 29.4°C | 19.7°C | 0.0 mm | n/a | 25.8 km/h | — |
| 05 Jan | 31.4°C | 20.2°C | 0.0 mm | n/a | 18.3 km/h | — |
| 06 Jan | 32.7°C | 21.2°C | 0.0 mm | n/a | 21.9 km/h | — |
| 07 Jan | 23.3°C | 19.0°C | 14.2 mm | n/a | 35.1 km/h | — |
| 08 Jan | 20.8°C | 18.1°C | 0.6 mm | n/a | 40.2 km/h | — |
| 09 Jan | 23.1°C | 16.5°C | 38.8 mm | n/a | 25.7 km/h | — |
| 10 Jan | 27.7°C | 19.5°C | 1.0 mm | n/a | 16.8 km/h | — |
| 11 Jan | 27.4°C | 18.9°C | 24.0 mm | n/a | 16.9 km/h | — |
| 12 Jan | 29.3°C | 19.8°C | 0.0 mm | n/a | 21.9 km/h | — |
| 13 Jan | 30.7°C | 21.1°C | 0.0 mm | n/a | 18.5 km/h | — |
| 14 Jan | 30.3°C | 21.8°C | 0.0 mm | n/a | 17.7 km/h | — |
| 15 Jan | 32.4°C | 22.1°C | 0.0 mm | n/a | 21.9 km/h | — |
| 16 Jan | 21.6°C | 17.5°C | 29.4 mm | 0.0 cm | 31.3 km/h | — |
| 17 Jan | 21.2°C | 17.0°C | 5.3 mm | 0.0 cm | 44.4 km/h | — |
| 18 Jan | 24.2°C | 18.6°C | 16.1 mm | 0.0 cm | 36.5 km/h | — |
| 19 Jan | 21.2°C | 18.2°C | 3.3 mm | 0.0 cm | 24.7 km/h | — |
| 20 Jan | 22.2°C | 15.1°C | 0.0 mm | 0.0 cm | 13.4 km/h | — |
| 21 Jan | 24.1°C | 14.8°C | 0.0 mm | 0.0 cm | 14.9 km/h | — |
| 22 Jan | 31.9°C | 18.4°C | 0.7 mm | 0.0 cm | 32.2 km/h | — |
| 23 Jan | 22.8°C | 20.0°C | 0.0 mm | 0.0 cm | 22.2 km/h | — |
| 24 Jan | 23.0°C | 17.5°C | 3.8 mm | 0.0 cm | 25.7 km/h | — |
| 25 Jan | 24.1°C | 16.9°C | 0.2 mm | 0.0 cm | 19.7 km/h | — |
| 26 Jan | 25.4°C | 17.8°C | 0.6 mm | 0.0 cm | 20.8 km/h | — |
| 27 Jan | 29.4°C | 22.1°C | 0.0 mm | 0.0 cm | 20.8 km/h | — |
| 28 Jan | 36.8°C | 21.8°C | 0.7 mm | 0.0 cm | 31.2 km/h | — |
| 29 Jan | 23.4°C | 20.0°C | 12.3 mm | 0.0 cm | 20.4 km/h | — |
| 30 Jan | 23.5°C | 20.2°C | 12.8 mm | 0.0 cm | 16.2 km/h | — |
Use this table for screen readers or to copy data. Values reflect the visible window.
Sydney Weather FAQ
Common questions about weather in Sydney, Australia.
- Which month is usually hottest in Sydney?
- Based on monthly observations from 2003–2025, Sydney, Australia is usually hottest in January, when average daytime highs reach 27.0°C. Overnight lows in January average 19.1°C.
- Which month is usually coldest in Sydney?
- Based on monthly observations from 2003–2025, Sydney, Australia is coldest in June, with average nighttime lows around 9.1°C. Daytime highs in June average 18.2°C. The coldest reading in the archive for that month dropped to 4.6°C.
- Which month has the highest average daily precipitation in Sydney?
- Based on monthly observations from 2003–2025, May has the highest average daily precipitation in Sydney, Australia at 4.8mm. That is wetter than January, the driest month in the archive at 0.6mm.
- Which month is usually driest in Sydney?
- Based on monthly observations from 2003–2025, January is the driest month in Sydney, Australia, averaging 0.6mm of precipitation on a typical observed day. May is the wettest month by the same measure at 4.8mm.
- How large is the seasonal temperature swing in Sydney?
- Based on monthly observations from 2003–2025, Typical warm-season highs peak in January at 27.0°C, while the lowest average night temperatures arrive in June at 9.1°C. That puts the city's warm-to-cold seasonal swing at roughly 17.9°C.
- Do monthly average nighttime lows stay above freezing in Sydney?
- Based on monthly observations from 2003–2025, Yes. Across the available monthly averages for Sydney, Australia, even the coldest month (June) keeps an average low of 9.1°C.