Most Monthly Precipitation in Whyalla History

This is a list of the largest monthly precipitation totals ever recorded in Whyalla, South Australia history from 1906–2023.

What Was the Wettest Month in Whyalla History?

According to NOAA records, the most precipitation that Whyalla, South Australia has ever received in a single month is 21.7 cm which occurred in February 1946.

Whyalla Most Rain in One Month

Rank	Precipitation	Month
1	21.7 cm	February 1946
2	17.3 cm	January 2022
3	14.3 cm	February 1979
4	12.2 cm	February 1973
5	11.5 cm	January 1974
6	11.3 cm	September 1910
7	11.0 cm	December 1911
8	10.8 cm	September 1979
9	10.6 cm	November 2021
10	10.4 cm	April 1980
11	10.4 cm	October 1976
12	10.4 cm	January 1941
13	9.8 cm	September 2001
14	9.7 cm	June 2013
15	9.5 cm	February 2011
16	9.5 cm	July 1916
17	9.4 cm	May 1974
18	9.4 cm	January 2007
19	9.2 cm	April 1954
20	9.1 cm	April 2014