Most Monthly Precipitation in Key West History

This is a list of the largest monthly precipitation totals ever recorded in Key West, Florida history from 1948–2024.

What Was the Wettest Month in Key West History?

According to NOAA records, the most precipitation that Key West, Florida has ever received in a single month is 27.7 inches which occurred in November 1980.

Month to date though April 21, 2024: 0.6 inches

Key West Most Rain in One Month

Rank	Precipitation	Month
1	27.7 inches	November 1980
2	21.6 inches	October 1969
3	18.5 inches	September 1963
4	17.6 inches	January 1983
5	17.1 inches	October 2011
6	14.7 inches	September 1948
7	14.4 inches	June 1972
8	14.2 inches	May 2018
9	13.7 inches	June 1966
10	13.5 inches	August 2005
11	13.0 inches	September 1994
12	12.9 inches	May 1960
13	12.6 inches	October 1999
14	12.2 inches	September 2020
15	12.1 inches	October 2008
16	12.1 inches	September 2022
17	11.9 inches	October 1996
18	11.8 inches	June 1992
19	11.7 inches	July 1970
20	11.3 inches	October 2007