Most Monthly Precipitation in Grand Forks History

This is a list of the largest monthly precipitation totals ever recorded in Grand Forks, North Dakota history from 1893–2024.

What Was the Wettest Month in Grand Forks History?

According to NOAA records, the most precipitation that Grand Forks, North Dakota has ever received in a single month is 12.2 inches which occurred in August 1944.

Month to date though April 17, 2024: 0.5 inches

Grand Forks Most Rain in One Month

Rank	Precipitation	Month
1	12.2 inches	August 1944
2	9.5 inches	June 1925
3	9.4 inches	June 1964
4	9.1 inches	September 2019
5	8.5 inches	June 1901
6	8.2 inches	June 1968
7	8.1 inches	July 2001
8	8.0 inches	August 1951
9	8.0 inches	May 1896
10	7.9 inches	July 1952
11	7.7 inches	June 2005
12	7.7 inches	June 1941
13	7.6 inches	June 1948
14	7.5 inches	September 1957
15	7.4 inches	July 1966
16	7.3 inches	June 1915
17	7.2 inches	July 1987
18	7.1 inches	June 2002
19	7.0 inches	August 1900
20	7.0 inches	July 1995