Most Monthly Precipitation in Williston History

This is a list of the largest monthly precipitation totals ever recorded in Williston, North Dakota history from 1894–2024.
What Was the Wettest Month in Williston History?
According to NOAA records, the most precipitation that Williston, North Dakota has ever received in a single month is 8.8 inches which occurred in June 1901.
Williston Most Rain in One Month
Rank Precipitation Month
1 8.8 inches June 1901
2 8.2 inches July 1993
3 8.1 inches May 1965
4 8.0 inches July 1997
5 7.9 inches June 1944
6 7.0 inches June 1932
7 6.8 inches June 1924
8 6.7 inches June 1914
9 6.6 inches June 1991
10 6.6 inches May 2022
11 6.5 inches May 2011
12 6.1 inches July 1928
13 6.0 inches June 1981
14 5.9 inches September 2019
15 5.9 inches June 1923
16 5.9 inches May 1978
17 5.8 inches May 1896
18 5.7 inches June 1921
19 5.6 inches June 1953
20 5.6 inches May 2013