Climate in Newcastle (New South Wales), Australia

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Newcastle, Australia

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Newcastle, Australia

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Newcastle, Australia

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Newcastle, Australia

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* Data from: Maitland, Australia (30 KM, 18 Miles).

Weather Forecasts for Newcastle

Thu   Mar 28
24°C | 19°C
SE 22 km/h
partly cloudy and no rain

partly cloudy and no rain

Fri   Mar 29
23°C | 20°C
SE 22 km/h
1.5 mm
partly cloudy and rain

partly cloudy and rain

Sat   Mar 30
23°C | 18°C
SE 22 km/h
clear and no rain

clear and no rain

The best time of year to visit Newcastle in Australia

During the months of February, March, April, May, September, October, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in Newcastle?
    The hottest season / summer takes place in January, February, March and December.
  • Which is the warmest month in Newcastle?
    January has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Newcastle?
    The coldest month is July with an average maximum temperature of 18°C.
  • Which is the wettest month in Newcastle?
    June tops the wettest month list with 109 mm of rainfall.
  • Which is the driest month in Newcastle?
    August is the driest month with 54 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.