Monthly climate guide
Sydney weather in March
Expect warm weather in Sydney in March: afternoons reach about 24°C (76°F), while nights drop to around 20°C (68°F). Around 130 mm of rain falls over the month (wet), and skies are often cloudy. Daytime highs are about the same as February and 2°C warmer than April.
What stands out in March
- Expect more cloud than at any other time of year.
- Check the hourly forecast before heading to Sydney Opera House — showers are likely.
- There's little difference between day and night (around 4°C).
- Seasonally, March counts as early autumn in Sydney — the seasons are reversed south of the equator.
It's usually the wettest month of the year.
Avg high
24°C
76°F
Avg low
20°C
68°F
Rainfall
130 mm
wet
Humidity
76%
relative
Sky
62%
cloud · often cloudy
Sydney weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 26°C / 79°F | 21°C / 69°F | 96 mm | 76% | 59% |
| February | 25°C / 78°F | 21°C / 70°F | 119 mm | 76% | 60% |
| March | 24°C / 76°F | 20°C / 68°F | 130 mm | 76% | 62% |
| April | 22°C / 72°F | 18°C / 64°F | 78 mm | 74% | 55% |
| May | 20°C / 67°F | 15°C / 58°F | 33 mm | 71% | 52% |
| June | 17°C / 63°F | 13°C / 56°F | 84 mm | 75% | 60% |
| July | 17°C / 62°F | 12°C / 53°F | 39 mm | 71% | 48% |
| August | 17°C / 63°F | 12°C / 53°F | 52 mm | 69% | 48% |
| September | 20°C / 67°F | 14°C / 57°F | 38 mm | 68% | 48% |
| October | 22°C / 71°F | 16°C / 60°F | 57 mm | 70% | 55% |
| November | 23°C / 74°F | 17°C / 63°F | 77 mm | 72% | 59% |
| December | 25°C / 76°F | 19°C / 66°F | 74 mm | 74% | 59% |
What to pack for March
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is March a good time to visit Sydney?
Our Sydney guide recommends: September to November or March to May — Southern Hemisphere spring and autumn, avoiding peak summer crowds and heat.
Remember Australia's seasons are reversed from the Northern Hemisphere — 'summer' here runs December to February.
Best time to visit Sydney →Other Australia cities in March
Cite or embed this data
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Sydney weather in March. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/australia/sydney/march
<a href="https://weathercompare.eu/weather/australia/sydney/march">Sydney weather in March</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/australia/sydney" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Sydney weather in March"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/australia/sydney/march">Sydney weather in March</a> – WeatherCompare</p>
Sydney in March: quick answers
Is March a good time to visit Sydney?
March is one of the wetter months in Sydney, with about 130 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Sydney in March?
Average highs are about 24°C (76°F) and average lows about 20°C (68°F), based on 10 years of daily data.
Does it rain a lot in Sydney in March?
Sydney typically gets around 130 mm of rain in March — wet. It's usually the wettest month of the year.
When is the best time to visit Sydney?
September to November or March to May — Southern Hemisphere spring and autumn, avoiding peak summer crowds and heat.
Figures are long-term averages for the area around Sydney (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.