When to go · Sydney
Sydney in December
Mixed month. Peak prices, New Year's Eve closures around the harbour.
Key facts
- Verdict
- Mixed
- Temperature
- 26°C (79°F)79°F (26°C) / 18°C (64°F)64°F (18°C)
- average high / low
- Rain days
- 11
- Crowds
- High
- Australia overall
- Prices
- High
- Australia overall
Verdict
Peak prices, New Year's Eve closures around the harbour.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than December?
December is rated mixed. These months rate higher:
Weather in December
- SydneyHighs around 26 °C (79 °F), lows around 18 °C (64 °F), rain on about 11 daysHighs around 79 °F (26 °C), lows around 64 °F (18 °C), rain on about 11 days
- South-east coast, Australia · Sydney, Melbourne, Canberra, Adelaidebest weather
Summer is beach season and school-holiday peak; Melbourne swings between cool and 40 °C (104 °F) in a day. Winter is mild and sunny in Sydney, grey and cool in Melbourne.Summer is beach season and school-holiday peak; Melbourne swings between cool and 104 °F (40 °C) in a day. Winter is mild and sunny in Sydney, grey and cool in Melbourne.
Summer season
Warm, humid days, long light and beach weather.
Watch: High UV, storms, school holidays and peak prices.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Christmas and New Year's Eve
25 Dec, 31 Dec · Harbour
Fireworks and foreshore closures; transport crowded.
New Year's Eve
Dec 31
Harbour foreshores close to walk-ups; transport is crowded and hotels sell out.
New Year big impact
31 Dec – 1 Jan · Australia
Sydney Harbour fireworks: vantage points ticketed or claimed from morning; beds book out months ahead.
Summer school holidays big impact
Mid-Dec to late Jan · Australia
Coast, campsites, ferries and Tasmania fill; prices peak.
Crowds and prices
- Crowds · Australia overall
- High
- Prices · Australia overall
- High
Australia overall: Summer holidays begin; bushfire risk and heatwaves in the south, wet season in the north; book everything early.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Sydney, side by side.
Verdict
Dec: Mixed
Mar: Great (better)
Daytime high
Dec: 26 °C (79 °F)79 °F (26 °C)
Mar: 25 °C (77 °F)77 °F (25 °C)
Night low
Dec: 18 °C (64 °F)64 °F (18 °C)
Mar: 18 °C (64 °F)64 °F (18 °C)
Rain days
Dec: 11 (better)
Mar: 13
Crowds
Dec: High
Mar: Medium
Prices
Dec: High
Mar: Medium
Festivals listed
Dec: 4
Mar: 2
December: Peak prices, New Year's Eve closures around the harbour.
March: Warm; sea still warm; fewer crowds.
Sydney: figures are long-term averages from this guide, not a forecast.
What to pack
- A rain jacket or umbrella and shoes that dry fast