Northam Weather Records

Northam, Western Australia weather averages and records from 1750–2023 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Northam, Western Australia was 48.1 °C which occurred on February 3, 2007.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Northam, Western Australia was -3.9 °C which occurred on June 26, 1961.
Lowest Temperatures: All-Time By Year
Northam Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January 34.6 17.2 46.3 7.3 2.1
February 33.8 17.4 48.1 7.9 1.7
March 31.0 15.4 45.2 4.9 1.7
April 26.9 11.9 39.5 0.6 2.0
May 22.2 8.0 35.2 -2.3 4.5
June 18.8 6.0 27.2 -3.9 6.0
July 17.5 5.0 25.2 -3.2 7.2
August 18.3 5.3 29.7 -1.7 5.8
September 20.6 6.5 34.7 -1.4 4.0
October 25.1 9.1 40.0 -0.3 2.3
November 29.2 12.5 44.1 2.1 1.6
December 32.5 15.3 45.6 4.5 1.0
Entire year 25.9 10.8 48.1 -3.9 39.9
More Northam Weather Records
1750–2023
Highest daily low 29.8 °C February 10, 1937
Lowest daily high 8.3 °C September 2, 1917
Greatest daily range
(Difference of high and low)
30.4 °C November 24, 1913
Greatest difference in daily high
over two conscutive days
21.7 °C Feb 12–13, 1939
Most daily precipitation 12.6 cm March 9, 1934
Most monthly precipitation 23.3 cm June 1945
Most yearly precipitation 71.1 cm 1955
Most yearly days with precipitation 128 1915
Most days in a year < 0 °C 24 2010
Most days in a year ≥ 20 °C 297 1994
Most days in a year ≥ 25 °C 217 1994
Most days in a year ≥ 30 °C 138 1994
Most days in a year ≥ 35 °C 73 1972
Most days in a year ≥ 40 °C 23 1956
Northam Weather Streaks
Most consecutive days...
With precipitation 25 days Jun 4–28, 1964
Without precipitation 123 days Oct 1, 1877 – Jan 31, 1878
High temperature ≥ 20 °C 243 days Oct 3, 2011 – Jun 1, 2012
High temperature ≥ 25 °C 138 days Nov 20, 1958 – Apr 6, 1959
High temperature ≥ 30 °C 63 days Dec 20, 1955 – Feb 20, 1956
High temperature ≥ 35 °C 17 days Dec 27, 2008 – Jan 12, 2009
High temperature ≥ 40 °C 9 days Jan 17–25, 1961
Plant Hardiness Zone
9B
Northam is in plant hardiness zone 9B
based on average yearly minimum temperature from 1991–2020
Northam Weather by Year
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Weather Station Details
Years Station Coordinates
1750–2023 Northam location