Most Monthly Precipitation in Billings History

This is a list of the largest monthly precipitation totals ever recorded in Billings, Montana history from 1894–2024.

What Was the Wettest Month in Billings History?

According to NOAA records, the most precipitation that Billings, Montana has ever received in a single month is 10.2 inches which occurred in June 1944.

Month to date though April 26, 2024: 1.2 inches

Billings Most Rain in One Month

Rank	Precipitation	Month
1	10.2 inches	June 1944
2	9.5 inches	May 2011
3	7.7 inches	May 1981
4	7.1 inches	June 1939
5	7.0 inches	May 1978
6	6.9 inches	May 1942
7	6.4 inches	June 2023
8	5.8 inches	April 1940
8	5.8 inches	September 1941
10	5.7 inches	June 1969
11	5.7 inches	May 1898
12	5.6 inches	June 1991
13	5.3 inches	June 1905
14	5.2 inches	April 1941
15	5.2 inches	May 2018
16	5.2 inches	June 1915
17	5.2 inches	June 1967
18	5.1 inches	June 1964
19	5.1 inches	June 2010
20	5.1 inches	July 1993