Discover the weather in Sydney, where temperatures average 21°C (70°F) during the balmy summer months, perfect for surfing at Bondi Beach. In winter, chill out with lows of 9°C (48°F), ideal for exploring The Rocks district. Did you know Sydney experiences more than 340 sunny days a year? Don't miss a ferry ride to Taronga Zoo, where the weather-friendly outdoor setting lets you meet Aussie wildlife up close.
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Sydney Climate & Weather Averages
What is the weather really like in Sydney? Over 2015–2024, January was the hottest month with highs around 27°C, June the coolest at about 17°C, and March brought the most rain. The full month-by-month picture is in the table below.
Sydney enjoys a temperate climate without harsh extremes: summers are pleasant (27°C average highs in January), winters cool but manageable (17°C in June), and rain is a year-round companion that peaks in March.
| Month | Avg High | Avg Low | Rainfall | Sunshine (h/day) | Wind (km/h) |
|---|---|---|---|---|---|
| Jan | 27° | 19° | 99 mm | 10.9 | 22 |
| Feb | 26° | 19° | 106 mm | 10.6 | 22 |
| Mar | 25° | 18° | 152 mm | 9.5 | 21 |
| Apr | 22° | 15° | 96 mm | 9.4 | 18 |
| May | 20° | 11° | 62 mm | 8.7 | 18 |
| Jun | 17° | 9° | 77 mm | 8.2 | 18 |
| Jul | 17° | 8° | 65 mm | 8.9 | 19 |
| Aug | 18° | 9° | 49 mm | 9.2 | 20 |
| Sep | 21° | 11° | 49 mm | 10.4 | 22 |
| Oct | 22° | 13° | 75 mm | 10.3 | 22 |
| Nov | 24° | 15° | 82 mm | 11 | 22 |
| Dec | 26° | 18° | 66 mm | 11.6 | 22 |
A warming climate: Sydney's warmest month (January) has warmed from an average high of 25°C in the 1950s to 27°C today — a shift of +1.8°C over roughly seventy years.
Sunshine is most generous in December, averaging about 11.6 hours a day, and thinnest in June at roughly 8.2 hours. The breeziest stretch of the year comes around December, when daily winds typically peak near 22 km/h.
Best time to visit: May–December offers the most comfortable conditions, with daytime highs around 22°C. Light, breathable layers plus a light waterproof cover most days here. For the coldest spell around June, bring warmer layers.
Sydney weather — frequently asked questions
When is the best time to visit Sydney?
Weather-wise, May–December is the sweet spot in Sydney: average daytime highs around 22°C with less rain than the March peak. Data from 2015–2024.
What is the rainiest month in Sydney?
March is on average the wettest month in Sydney, with about 152 mm of rainfall. The driest month is typically September, at around 49 mm.
What is the sunniest month in Sydney?
December, with roughly 11.6 hours of sunshine a day on average over 2015–2024. The dimmest month is June, at about 8.2 hours.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.