Northam Average Temperature by Month

This page shows the average temperature in each month of the year in Northam, Western Australia. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Northam?
In Northam, Western Australia, the warmest month is January, with an average daily high temperature of 34.6 °C and an average low of 17.2 °C.
What's the Coldest Month in Northam?
In Northam, Western Australia, the coolest month is July, with an average daily high temperature of 17.5 °C and an average low of 5.0 °C.
Month Avg. High Avg. Low
January 34.6 °C 17.2 °C
February 33.8 °C 17.4 °C
March 31.0 °C 15.4 °C
April 26.9 °C 11.9 °C
May 22.2 °C 8.0 °C
June 18.8 °C 6.0 °C
July 17.5 °C 5.0 °C
August 18.3 °C 5.3 °C
September 20.6 °C 6.5 °C
October 25.1 °C 9.1 °C
November 29.2 °C 12.5 °C
December 32.5 °C 15.3 °C
Year 25.9 °C 10.8 °C
Weather Station Details
Years Station Coordinates
1750–2023 Northam location
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