How hot does Sydney get in December?

Daytime highs average around 77°F. Lean toward breathable fabrics like cotton and linen, and bring sun protection.

How should I layer for Sydney in December?

With a daily range of about 63°F–77°F, plan on layers you can add or shed: a base layer, a mid-weight top, and an outer layer for the cool ends of the day.

Packing List

December Packing List for Sydney — What to Wear & Bring

Focus on sun-smart layers for Sydney's December averages of 77°F high and 11 rain days.

Averages 6377°F, ~11 days of rain

Edited by ForecastStyle·Last updated June 5, 2026

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Essentials

If you only pack a few things, pack these.

Lightweight windbreakerEssential
Sydney's December averages 77°F with 11 days of rain, and sudden southerly busters at Bondi Beach can drop temps 10°F in minutes — a lightweight windbreaker earns its spot every summer trip.
Quick-dry swimwearEssential
Bondi Beach and other oceanfront areas in Sydney demand quick-dry fabrics due to intense sun and salt spray in December's 77°F heat.
UV-protective long-sleeve shirtEssential
The UV index in Sydney reaches 11+ in December — SPF-rated shirts are essential at Bondi Beach or Manly.

Clothing

Lightweight windbreakerEssential
Sydney's December averages 77°F with 11 days of rain, and sudden southerly busters at Bondi Beach can drop temps 10°F in minutes — a lightweight windbreaker earns its spot every summer trip.
Quick-dry swimwearEssential
Bondi Beach and other oceanfront areas in Sydney demand quick-dry fabrics due to intense sun and salt spray in December's 77°F heat.
UV-protective long-sleeve shirtEssential
The UV index in Sydney reaches 11+ in December — SPF-rated shirts are essential at Bondi Beach or Manly.
Breathable shortsRecommended
Sydney's December 63°F lows still require sun protection while walking the steep Harbour Bridge stairs.

Shop picks for Sydney in December

Outerwear

Beige Ribbed Longline Cardigan

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Outerwear

The Classic Trench Coat in Camel

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Footwear

The Summit Chunky Trail Sneaker in Gray

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Footwear

The Everyday Cloud Sneaker in White

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Travel Gear

Waterproof packable rain hat

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Travel Gear

Waterproof backpack rain cover

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Local tips for Sydney in December

December's 11 rain days in Sydney demand quick-dry pieces for Bondi outings.

Harbour Bridge winds require secure hats in summer.

Blue Mountains humidity builds fast after cool misty starts in December.

FAQ — Sydney in December

December's 11 rain days in Sydney demand quick-dry pieces for Bondi outings.
Daytime highs average around 77°F. Lean toward breathable fabrics like cotton and linen, and bring sun protection.
With a daily range of about 63°F–77°F, plan on layers you can add or shed: a base layer, a mid-weight top, and an outer layer for the cool ends of the day.

Outfit Ideas

See Winter outfit ideas →

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