Gunnedah Average Temperature by Month

This page shows the average temperature in each month of the year in Gunnedah, New South Wales. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Gunnedah?
In Gunnedah, New South Wales, the warmest month is January, with an average daily high temperature of 33.0 °C and an average low of 19.8 °C.
What's the Coldest Month in Gunnedah?
In Gunnedah, New South Wales, the coolest month is July, with an average daily high temperature of 16.7 °C and an average low of 5.3 °C.
Month Avg. High Avg. Low
January 33.0 °C 19.8 °C
February 31.8 °C 19.2 °C
March 29.4 °C 16.9 °C
April 25.5 °C 13.0 °C
May 21.0 °C 9.1 °C
June 17.4 °C 6.5 °C
July 16.7 °C 5.3 °C
August 18.9 °C 6.0 °C
September 22.6 °C 9.3 °C
October 26.2 °C 12.8 °C
November 29.0 °C 15.8 °C
December 31.1 °C 17.9 °C
Year 25.1 °C 12.6 °C
Weather Station Details
Years Station Coordinates
1948–2023 Gunnedah Resource Centre location
1876–1947 Gunnedah Pool location
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