Most Monthly Precipitation in Adelaide History

This is a list of the largest monthly precipitation totals ever recorded in Adelaide, South Australia history from 1839–2023.

What Was the Wettest Month in Adelaide History?

According to NOAA records, the most precipitation that Adelaide, South Australia has ever received in a single month is 21.8 cm which occurred in June 1916.

Adelaide Most Rain in One Month

Rank	Precipitation	Month
1	21.8 cm	June 1916
2	19.7 cm	May 1875
3	19.5 cm	June 1847
4	18.5 cm	June 1849
5	18.0 cm	May 1853
6	17.8 cm	June 1920
7	16.1 cm	May 1851
8	16.1 cm	May 1883
9	15.9 cm	April 1971
10	15.8 cm	August 1852
11	15.5 cm	February 1925
12	15.3 cm	June 1887
13	15.1 cm	June 1856
14	14.8 cm	September 1923
15	14.8 cm	April 1938
16	14.7 cm	April 1889
17	14.7 cm	June 1923
18	14.2 cm	August 1909
19	13.9 cm	June 1931
20	13.9 cm	July 1890