Sydney weather in December
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Sydney December weather at a glance
In December, Sydney averages 22.2°C, with typical highs of 26.7°C and lows of 18.3°C. The historical average is 9 wet days and 69% humidity.
Sydney December temperature & humidity
Sydney December rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Sydney in December
Choose breathable summer clothes and pack sun protection.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 26.7°C
- Morning & eveningLight layer for air-conditioned rooms · average low 18.3°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Sydney December sunrise & sunset times
2026 December · Local time (Australia/Sydney)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-12-01 | 05:37 | 19:51 | 14h 14m |
| 2026-12-15 | 05:38 | 20:02 | 14h 24m |
| 2026-12-31 | 05:47 | 20:09 | 14h 23m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Sydney
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
December weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Sydney weather like in December?
In December, Sydney averages 22.2°C, with typical highs of 26.7°C and lows of 18.3°C. The historical average is 9 wet days and 69% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Sydney in December?
There are about 9 wet days in December. A compact umbrella is still useful.
What should I wear in Sydney in December?
Choose breathable summer clothes and pack sun protection.
What are the best months to visit Sydney?
Recent weather data rates June, July, September, October among the more comfortable months.
Where can I check Sydney weather in December in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Sydney in December?
On 2026-12-15, calculated sunrise is 05:38 and sunset is 20:02 in local time (Australia/Sydney). Times vary by date and terrain.
Sydney weather by month
More Oceania destinations in December
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations