Temperature in New South Wales in January

Daytime highs, nighttime lows and the warmest cities in New South Wales, Australia this January.

New South Wales, Australia, a region in Australia, experiences maximum daytime temperatures in January ranging from 23°C (73°F) in Eden to 37°C (99°F) in Bourke. Nighttime temperatures generally drop to 23°C (73°F) in Bourke and 17°C (63°F) in Eden. In New South Wales, Australia, January typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

What is the temperature of the different cities in New South Wales, Australia in January?

Explore the map below to discover average January temperatures at the top destinations in New South Wales. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit New South Wales, check out our New South Wales's climate page.

See also: New South Wales weather by month.

Best Places to Visit in New South Wales in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across New South Wales.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

See all January weather averages, cities and regions in New South Wales

New South Wales temperatures in January: frequently asked questions

How hot does it get in New South Wales, Australia in January?

Daytime temperatures in Sydney typically peak at 26°C (79°F) in January, putting it in the high range.

How cold does it get at night in New South Wales, Australia in January?

After dark, Sydney cools to about 20°C (68°F) on an average January night.

What is the warmest city in January in New South Wales, Australia?

Based on our systematic data collection, Bourke has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 37°C (99°F), while at night it goes down to an approximate temperature of 23°C (73°F).

What is the coldest city in January in New South Wales, Australia?

For the month of January, Eden is the most temperate city in New South Wales, Australia based on our records. Highs average 23°C (73°F) and nighttime temperatures dip to around 17°C (63°F).

How much sun does New South Wales, Australia get in January?

Sydney enjoys close to 233 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.

What is the water temperature in January?

Across New South Wales, Australia, sea temperatures in January range from good at 21°C (70°F) in Sydney to perfect at 25°C (77°F) in Byron Bay — so swimming conditions depend on which coast you pick.

Interested in more climate information?

We have much more information about the climate in New South Wales.

Weather and climate has detailed information for every country in the world. Are you going to Australia? Get detailed historical weather averages for many cities in Australia.

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