Monthly climate guide
Sydney weather in May
Expect mild weather in Sydney in May: afternoons reach about 20°C (67°F), while nights drop to around 15°C (58°F). Around 33 mm of rain falls over the month (fairly dry), and skies are a mix of sun and cloud. Daytime highs are 3°C cooler than April and 3°C warmer than June.
What stands out in May
- In Sydney, May is late autumn — the seasons are reversed south of the equator.
- Comfortable temperatures make it easy to walk between Bondi Beach and Sydney Opera House.
- Rain is well below Sydney's usual level (around 55% less).
- There's little difference between day and night (around 5°C).
It's usually the driest month of the year.
Avg high
20°C
67°F
Avg low
15°C
58°F
Rainfall
33 mm
fairly dry
Humidity
71%
relative
Sky
52%
cloud · a mix of sun and cloud
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 May
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
Is May 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 May
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Sydney weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/australia/sydney/may
<a href="https://weathercompare.eu/weather/australia/sydney/may">Sydney weather in May</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 May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/australia/sydney/may">Sydney weather in May</a> – WeatherCompare</p>
Sydney in May: quick answers
Is May a good time to visit Sydney?
Yes. May is one of the best months for Sydney, with highs around 20°C and about 33 mm of rain.
How warm is Sydney in May?
Average highs are about 20°C (67°F) and average lows about 15°C (58°F), based on 10 years of daily data.
Does it rain a lot in Sydney in May?
Sydney typically gets around 33 mm of rain in May — fairly dry. It's usually the driest 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.