Climate averages 1991–2020

Newcastle, Australia weather
in July.

A mild, moderately wet month: the coolest and the 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 16.1°C Daytime mean, July
Average low 10.5°C Night-time mean, July
Rainfall 73 mm 9 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Newcastle · average highYear overview

July is a mild month in Newcastle, Australia: daytime highs average 16.1°C and nights cool to about 10.5°C. By daytime temperature it is the coolest month of the year.

Expect about 73 mm of rain on roughly 9 days, which makes July a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 12 min on an average July day.

The nearest other city in this atlas is Maitland (30 km away). In July its highs average 16.4°C, about as warm as Newcastle, Australia, with 37 mm of rain.

Among the 32 cities listed in Australia, Newcastle, Australia ranks 17th of 32 for the warmest July highs and 28th of 32 for the driest July (rainfall, lowest first). The mean July high of those 32 cities is 16.5°C; Newcastle, Australia is 0.4°C cooler than that mean.

From July to August, average highs rise by 1.3°C to 17.4°C, and monthly rainfall falls from 73 mm to 56 mm.

The annual picture

July in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 51015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Newcastle, Australia climate table

1991–2020
Monthly climate averages for Newcastle, Australia, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 26.1°C20.2°C20.2°C769.614.114 h
February 25.5°C20.2°C20.2°C989.813.313 h
March 23.9°C19.0°C19.0°C9811.612.312 h
April 21.7°C16.5°C16.5°C8611.111.311 h
May 18.9°C13.8°C13.8°C9410.810.510 h
June 16.6°C11.7°C11.7°C11311.610.010 h
July, selected 16.1°C10.5°C10.5°C738.910.210 h
August 17.4°C10.8°C10.8°C567.110.911 h
September 20.0°C12.8°C12.8°C537.011.912 h
October 21.8°C14.8°C14.8°C638.412.913 h
November 23.1°C16.7°C16.7°C819.713.814 h
December 24.7°C18.6°C18.6°C709.814.314 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

July in nearby cities

Distance from Newcastle

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Newcastle) is explained once on the Newcastle, Australia year overview and on the Sources, method and limits page.