Most Monthly Precipitation in Gunnedah History

This is a list of the largest monthly precipitation totals ever recorded in Gunnedah, New South Wales history from 1876–2023.

What Was the Wettest Month in Gunnedah History?

According to NOAA records, the most precipitation that Gunnedah, New South Wales has ever received in a single month is 36.8 cm which occurred in March 1894.

Gunnedah Most Rain in One Month

Rank	Precipitation	Month
1	36.8 cm	March 1894
2	32.5 cm	January 1984
3	26.8 cm	January 1976
4	25.6 cm	January 1974
5	25.6 cm	February 1956
6	24.8 cm	December 2010
7	24.3 cm	February 1971
8	22.9 cm	November 1950
9	22.8 cm	February 1955
10	22.6 cm	March 1941
11	22.0 cm	January 1991
12	20.4 cm	January 1968
13	20.2 cm	January 1910
14	20.2 cm	January 1964
15	20.0 cm	April 1999
16	19.9 cm	November 2008
17	19.8 cm	January 1978
18	19.4 cm	December 2004
19	19.3 cm	October 1955
20	19.2 cm	January 1887