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

Full climate-matched shoe guide for December →

Outerwear

Oatmeal Long Knit Duster Cardigan

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Outerwear

The Fireside Plaid Blazer in Green

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Footwear

Metallic Gold Foldable Travel Ballet Flats

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Footwear

Black Low Block-Heel Slingback Flats

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Tops

Ivory Lace-Trim Satin Slip Cami

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Tops

Cozy Ribbed Knit Black Sweater

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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.

More tools for Sydney in December

Best shoes

Shoe picks for December →

Waterproof, breathable, insulated — matched to the month.

Pack or skip

Umbrella? Winter coat? Sunscreen? →

Item-by-item verdict for December.

Comfort check

Will I be cold or hot? →

Day and night temp bands for December.

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Outfit Ideas

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