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Newcastle Weather and Climate: A Comprehensive Guide

The temperature in Newcastle varies moderately throughout the year. The temperatures shift from warm to mild. It receives a reasonable amount of rainfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The weather in Newcastle changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a comfortable 26°C in January. In July, the coolest month of the year, temperatures drop to a moderate 18°C.

At night, you can expect cooler temperatures, with averages dropping to around 12°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Newcastle has a moderate amount of precipitation, averaging 967 mm of rainfall annually. Newcastle experiences moderate seasonal variation in rainfall, with monthly averages ranging from 109 mm in June, the wettest month, and 54 mm in August, the driest month.

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

Forecast for Newcastle

Wed   Jan 15
28°C | 22°C
NE 9 m/s
9.7 mm
partly cloudy and small chance of rain

partly cloudy and small chance of rain

Thu   Jan 16
23°C | 18°C
SW 12 m/s
55 mm
overcast and thunder

overcast and thunder

Fri   Jan 17
22°C | 19°C
S 13 m/s
54 mm
overcast and heavy rain

overcast and heavy rain

Select a Month of Interest

Check the conditions for any month of the year.

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.