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Australia · Oceania

Sydney in December

Weather, crowds, prices and events for visiting Sydney in December.

Ideal
46
Quick answer

December is one of the best times to visit Sydney. Expect 26° / 18°, the biggest crowds of the year and premium prices.

Weather
26°
High 26° · Low 18°
Crowds
High
85/100
Prices
$$$
high season
Events
1
this month
Sydney, Australia

Weather

Average highs sit around 26°C with lows near 18°C. Rainfall is moderate; the odd shower is likely.

Crowds & demand

Crowd levels are High for Sydney — the biggest crowds of the year.

Prices & value

Prices run high season this month: premium prices.

Events & what’s on

Look out for New Year’s Eve Fireworks while you’re there.

  • New Year’s Eve Fireworks — Harbour Bridge fireworks headline one of the world's biggest NYE shows.
The verdict

December is one of the best times to visit Sydney. Expect 26° / 18°, the biggest crowds of the year and premium prices.

Better months for Sydney: April · November · December

Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated July 2026

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Frequently asked questions

What is the weather like in Sydney in December?

Average highs sit around 26°C with lows near 18°C. Rainfall is moderate; the odd shower is likely.

Is Sydney crowded in December?

Crowd levels are High for Sydney — the biggest crowds of the year.

Is December expensive in Sydney?

Prices run high season this month: premium prices. Save 6%.