Most Monthly Precipitation in Port Huron History

This is a list of the largest monthly precipitation totals ever recorded in Port Huron, Michigan history from 1933–2024.

What Was the Wettest Month in Port Huron History?

According to NOAA records, the most precipitation that Port Huron, Michigan has ever received in a single month is 10.6 inches which occurred in August 1956.

Month to date though April 24, 2024: 0.4 inches

Port Huron Most Rain in One Month

Rank	Precipitation	Month
1	10.6 inches	August 1956
2	10.0 inches	September 1996
3	9.6 inches	September 1986
4	8.5 inches	November 1950
5	8.3 inches	May 1943
6	8.0 inches	May 2004
7	7.7 inches	May 1945
8	7.7 inches	September 2021
9	7.5 inches	June 1962
10	7.4 inches	June 1996
11	7.2 inches	April 2013
12	7.1 inches	July 2023
13	7.1 inches	August 1984
14	7.0 inches	September 2008
15	6.9 inches	May 1947
16	6.9 inches	August 2020
17	6.9 inches	September 1981
18	6.7 inches	October 1954
19	6.6 inches	June 1940
20	6.5 inches	June 2015