Average weather in January in Sydney (New South Wales), Australia

The average minimum temperature (usually the minimum temperature is noted during the night) in Sydney in January is 19.5°C (67.1°F). The amount of rain in January is high with an average of 116mm (4.6in). The average maximum daytime temperature lies around 26.0°C (78.8°F). This makes January the hottest month of the year. If you enjoy looking at a blue sky and love the sun than this is a great time to go to Sydney with 233 hours of sun.


So what to wear in January? Visitors traveling to Sydney should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot. With a water temperature of around 21.0°C (69.8°F), this is a great month to swim so bring your swimwear.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in January look at the numbers below.

Monthly Averages in January

Show in Celsius

Min Temperature 67 °F
Max Temperature 78 °F
Water Temperature 69 °F
Chance of Rain 43%
Precipitation 5 in
Rainy Days 13
Sunshine Hours 233

Where to stay in Sydney

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Weather Forecasts for Sydney (New South Wales)

MON Dec 06
69°F | 63°F

Patchy rain possible

TUE Dec 07
80°F | 63°F

Patchy rain possible

WED Dec 08
68°F | 63°F

Moderate rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Sydney.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Australia? On this website you can find historical weather averages for many cities in Australia. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.