Sydney Weather
A month-by-month look at temperature, rainfall and what to pack in Sydney. The annual average is 22°C high / 14°C low — hottest in January (26°C) and coldest in July (8°C).
Sydney Weather at a Glance
As of 2026A quick summary of Sydney's year-round climate and the best time to visit.
- Annual average
- 22° / 14°
- Best time to visit
- January, December, February
- Hottest month
- January (26°C)
- Coldest month
- July (8°C)
- Wettest month
- June (132mm)
- Driest month
- September (70mm)
As of 2026, Sydney's weather averages 22°C high / 14°C low across the year, and the best time to visit for stable temperatures, rainfall and crowds is January, December, February. The hottest month is January (26°C), the coldest is July (8°C), and the wettest is June (132mm).
Best Time to Visit Sydney
January is peak summer + peak tourism. Warm 26°C daytime, cool 19°C nights, 12 days of rain (mostly brief afternoon showers). UV index hits 12 — among the world's highest. Sunscreen + hat + shade are mandatory for any outdoor activity. The Sydney Festival runs all month — 200+ music, theatre, dance, visual arts events across the city. Many free outdoor performances. Australia Day (January 26) is the national holiday with fireworks at Sydney Harbour visible from any waterfront — Mrs Macquarie's Chair, Bondi, Kirribilli all give views. Australian school holidays continue until late January. Hotel prices peak; book 3-4 months ahead. Bondi, Manly, Coogee beaches at full capacity 11:00-15:00 — arrive 8-10 AM for room. Sea temperature is at peak swimming comfort (23°C).
December is summer — 25°C daytime, 17°C nights, sea at 22°C. The peak Sydney vacation month. Hotel prices at yearly peak from December 26. New Year's Eve at Sydney Harbour is the world's largest NYE fireworks — 1.5 million+ spectators line the harbor for the 9:00 PM family fireworks + midnight main show. Mrs Macquarie's Chair, Kirribilli, Bradleys Head all give views. Tickets at premium spots (Opera House, Bondi Icebergs) book 8-12 months ahead. Christmas Day at Bondi Beach is the canonical Australian Christmas tradition — Santa hats + barbecue + cold beer on the sand. The opposite-of-Northern-Hemisphere Christmas experience. Australian school holidays start mid-December — hotel prices double for last 2 weeks. Sydney bookings 6-9 months ahead for Christmas/NYE week.
February is similar to January but with slightly heavier rain (117mm across 12 days). The afternoon-storm pattern is reliable — clear mornings, brief storms 14:00-17:00, clear evenings. Plan all outdoor activities for 7-13:00 if possible. Sydney Mardi Gras (late February to early March) is the biggest LGBTQ+ event in the Southern Hemisphere — Parade Saturday on Oxford Street draws 500,000+ spectators. Hotel prices spike for Mardi Gras weekend. Australian school resumes late January — by February, school groups decrease at beaches + attractions. Sea temperature is at peak (23°C). The water-activity month: surf lessons, ferry rides, beach time, Coogee swimming pool.
Sydney Weather Month by Month
Tap any month for a detailed guide with what to wear, sunrise/sunset and air quality.
| Month | High/Low | Rain | Rainy days | Crowds | |
|---|---|---|---|---|---|
| January | 26° / 19° | 102mm | 12 | Very busy | Details → |
| February | 26° / 19° | 117mm | 12 | Busy | Details → |
| March | 25° / 17° | 130mm | 13 | Busy | Details → |
| April | 22° / 15° | 127mm | 12 | Moderate | Details → |
| May | 19° / 11° | 121mm | 12 | Moderate | Details → |
| June | 17° / 9° | 132mm | 11 | Moderate | Details → |
| July | 16° / 8° | 98mm | 10 | Moderate | Details → |
| August | 18° / 9° | 81mm | 10 | Moderate | Details → |
| September | 20° / 11° | 70mm | 10 | Moderate | Details → |
| October | 22° / 13° | 78mm | 11 | Moderate | Details → |
| November | 24° / 16° | 84mm | 11 | Busy | Details → |
| December | 25° / 17° | 78mm | 11 | Very busy | Details → |
What to Wear in Sydney by Season
Light jacket + sweater. Long pants over shorts. Evenings drop to 15°C — knitwear or jacket needed. Sea swimming for hardier travelers only.
Coldest Sydney month — proper winter coat + scarf + gloves recommended. Evenings drop to 8°C. Indoor venues are heated; outdoor 4-6°C feels colder due to wind.
Late spring — T-shirts during the day, light jacket for evenings. Daylight saving begins first Sunday October — sunsets extend to 19:11. Swimming returns for hardier travelers.
Same as January — summer dress. February is technically the wettest summer month with heavier afternoon storms. Pack a packable rain jacket.
Sydney Weather FAQ
What is the best time to visit Sydney? +
For weather, January, December, February are the most comfortable months. Highs sit around 26°C with relatively stable rainfall and crowds.
What are the hottest and coldest months in Sydney? +
The hottest month is January with an average high of 26°C, and the coldest is July with an average low of 8°C. The annual average is 22°C high / 14°C low.
When does it rain most in Sydney? +
The wettest month is June (132mm over about 11 rainy days) and the driest is September (70mm). Total annual rainfall is roughly 1218mm.
What should I pack for Sydney? +
Spring (Mar–May) averages 22/14°C — Light jacket + sweater. Long pants over shorts. Evenings drop to 15°C — knitwear or jacket needed. Sea swimming for hardier travelers only. Summer (Jun–Aug) averages 17/9°C — Coldest Sydney month — proper winter coat + scarf + gloves recommended. Evenings drop to 8°C. Indoor venues are heated; outdoor 4-6°C feels colder due to wind. Autumn (Sep–Nov) averages 22/13°C — Late spring — T-shirts during the day, light jacket for evenings. Daylight saving begins first Sunday October — sunsets extend to 19:11. Swimming returns for hardier travelers. Winter (Dec–Feb) averages 26/18°C — Same as January — summer dress. February is technically the wettest summer month with heavier afternoon storms. Pack a packable rain jacket.
What is the weather in Sydney this month (June)? +
June averages 17°C high / 9°C low with 132mm rainfall over about 11 rainy days. Crowds are moderate and prices are moderate.
Keep Planning Your Sydney Trip
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.