Gunnedah Weather Records

Gunnedah, New South Wales weather averages and records from 1876–2023 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Gunnedah, New South Wales was 48.7 °C which occurred on January 24, 1882.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Gunnedah, New South Wales was -8.3 °C which occurred on July 6, 1880.
Lowest Temperatures: All-Time By Year
Gunnedah Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January 33.0 19.8 48.7 2.2 6.6
February 31.8 19.2 45.6 3.3 6.1
March 29.4 16.9 42.8 -1.0 4.8
April 25.5 13.0 37.2 -2.5 3.1
May 21.0 9.1 34.4 -5.3 3.6
June 17.4 6.5 30.4 -7.7 4.6
July 16.7 5.3 26.7 -8.3 4.1
August 18.9 6.0 31.2 -7.5 3.1
September 22.6 9.3 35.4 -6.7 4.8
October 26.2 12.8 40.0 -2.2 5.0
November 29.0 15.8 43.2 0.6 7.6
December 31.1 17.9 46.1 1.1 8.5
Entire year 25.1 12.6 48.7 -8.3 62.1
More Gunnedah Weather Records
1876–2023
Highest daily low 34.4 °C January 2, 1905
Lowest daily high 4.4 °C August 4, 1921
Greatest daily range
(Difference of high and low)
35.9 °C January 2, 1881
Greatest difference in daily high
over two conscutive days
21.1 °C Jan 14–15, 2016
Most daily precipitation 15.8 cm March 10, 1941
Most monthly precipitation 36.8 cm March 1894
Most yearly precipitation 113.9 cm 1950
Most yearly days with precipitation 124 2010
Most days in a year < 0 °C 87 1880
Most days in a year ≥ 20 °C 308 2023
Most days in a year ≥ 25 °C 230 1914
Most days in a year ≥ 30 °C 157 1919
Most days in a year ≥ 35 °C 90 1914
Most days in a year ≥ 40 °C 21 1882
Gunnedah Weather Streaks
Most consecutive days...
With precipitation 14 days Mar 31 – Apr 13, 1988
Without precipitation 70 days Mar 5 – May 13, 1897
High temperature ≥ 20 °C 275 days Jul 19, 1946 – Apr 19, 1947
High temperature ≥ 25 °C 142 days Nov 6, 1904 – Mar 27, 1905
High temperature ≥ 30 °C 92 days Nov 25, 1913 – Feb 24, 1914
High temperature ≥ 35 °C 37 days Dec 27, 1881 – Feb 1, 1882
High temperature ≥ 40 °C 9 days Jan 17–25, 1906
Plant Hardiness Zone
10A
Gunnedah is in plant hardiness zone 10A
based on average yearly minimum temperature from 1991–2020
Gunnedah Weather by Year
More Gunnedah Weather
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Weather Station Details
Years Station Coordinates
1948–2023 Gunnedah Resource Centre location
1876–1947 Gunnedah Pool location