Whyalla Average Rainfall by Month

This page shows the average precipitation in each month of the year in Whyalla, South Australia. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Whyalla?
In Whyalla, June has the greatest precipitation of any month. On average, Whyalla gets 2.9 cm of precipitation in June.
June is also the month where rain is most common. 35.3% of days in June will have at least some rain.
What's the Driest Month in Whyalla?
In Whyalla, March has the least precipitation of any month. On average, Whyalla gets 1.55 cm of precipitation in March.
January is the month with the lowest chance of precipitation. 10.9% of days in January will have measurable rain.
Month Precipitation % Chance
January 2.22 cm 10.9
February 2.01 cm 12.3
March 1.55 cm 12.3
April 1.63 cm 15.2
May 2.05 cm 26.0
June 2.95 cm 35.3
July 1.78 cm 31.1
August 2.04 cm 30.7
September 2.58 cm 22.8
October 2.29 cm 18.4
November 2.49 cm 15.4
December 2.65 cm 16.2
Year 26.46 cm 20.8
Weather Station Details
Years Station Coordinates
1983–2023 Whyalla Aero location
1906–1982 Whyalla (Norrie) location
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