New South Wales weather in January 2026

Expect 26°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in New South Wales in January based on long-term weather averages. There is usually 12 days with some rainfall and 124 mm of average monthly rainfall in January.

  • 26°C maximum daytime temperature in January in New South Wales (Sydney)26
    26°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in January in New South Wales (Sydney)12
    12 days with some rainfall
  • 19°C minimum night-time temperature in January in New South Wales (Sydney)19
    19°C min night temperature
  • 14 hours of daylight per day in January in New South Wales (Sydney)14
    14 hours of daylight per day
  • Low heat & humidity in January in New South Wales (Sydney)L
    Low heat & humidity
  • 124 mm monthly rainfall in January in New South Wales (Sydney)124
    124 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in New South Wales (Sydney)11
    11+ (Extreme) UV index
  • 22°C sea temperature in January in New South Wales (Sydney)22
    22°C sea temperature

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The January weather guide for New South Wales (Sydney) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top New South Wales destinations

Below are average maximum temperatures at popular countries, regions and places in New South Wales in January. Select a holiday destination to see more weather parameters.

All New South Wales destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Australia

How hot is it in New South Wales in January?

Daytime temperatures usually reach 26°C in Sydney, New South Wales in January with low heat and humidity, falling to 19°C at night.

How sunny is it in New South Wales in January?

There are normally 7 hours of bright sunshine each day in Sydney, New South Wales in January - that's 51% of daylight hours.

How warm is the sea around New South Wales in January?

The average sea temperature around Sydney, New South Wales in January is 22°C.

Does it rain in New South Wales in January?

There are usually 12 days with some rain in Sydney, New South Wales in January and the average monthly rainfall is 124mm.

New South Wales January sunrise & sunset times

Browse the sunrise and sunset times for New South Wales in January 2026. Select a month to view New South Wales sunrise and sunset times for the next 12 months. The New South Wales sunrise and sunset times shown below are for Sydney.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 04:48 19:09
Friday, 16th January 2026 05:00 19:09
Saturday, 31st January 2026 05:15 19:01

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