2026 Climate Averages

Weather in Sydney in December

It's a rainy period, but great for indoor activities, museums, and lower prices.

Climate Overview

December is a wet time to visit Sydney. Sydney has a Warm climate with average yearly highs of 24°C, lows of 17°C, and approximately 18 rainy days per month.

Avg High

24°C

Avg Low

17°C

Rainy days

18days

Daylight

14.4h

Is December a good time to visit Sydney?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Daylight

Sunrise

5:39 AM

Sunset

8:02 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 27°C 20°C 14 Wet
February 25°C 19°C 16 Wet
March 23°C 16°C 21 Excellent (best)
April 22°C 13°C 10 Excellent (best)
May 18°C 10°C 9 Good
June 17°C 8°C 11 Good
July 16°C 8°C 11 Good
August 17°C 7°C 6 Good
September 20°C 11°C 8 Excellent (best)
October 22°C 13°C 11 Excellent (best)
November 24°C 15°C 7 Excellent (best)
December 24°C 17°C 18 Wet

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for December

Layers, a light jacket, comfortable walking shoes, and an umbrella.

Climate: Warm
Travel Context Great for outdoor dining and evening strolls.

Planning a trip to Sydney?

Common Questions

Is December a good time to visit Sydney? +

December is typically Wet for visiting Sydney, with average highs of 24°C and around 18 rainy days.

What should I pack for Sydney in December? +

With highs of 24°C and lows of 17°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.

Does it rain a lot in Sydney in December? +

Sydney typically sees around 18 rainy days in December.

How many hours of daylight are there in Sydney in December? +

In December, Sydney gets approximately 14.4 hours of daylight per day.

Is December peak season in Sydney? +

No, December is not peak season in Sydney. Expect better value on accommodation and fewer tourists.

What is the best month to visit Sydney? +

The best months to visit Sydney are September, October, November, March, April, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Australia/Sydney)

Last Updated: January 2026

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Complete travel guide for Sydney: top things to do, itineraries, and typical costs.

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December

24° / 17°
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