Most Monthly Precipitation in Tulsa History

This is a list of the largest monthly precipitation totals ever recorded in Tulsa, Oklahoma history from 1938–2024.

What Was the Wettest Month in Tulsa History?

According to NOAA records, the most precipitation that Tulsa, Oklahoma has ever received in a single month is 18.8 inches which occurred in September 1971.

Month to date though April 22, 2024: 1.4 inches

Tulsa Most Rain in One Month

Rank	Precipitation	Month
1	18.8 inches	September 1971
2	18.0 inches	May 1943
3	16.5 inches	October 1941
4	14.8 inches	May 2015
5	13.0 inches	May 2019
6	11.9 inches	March 1973
7	11.8 inches	September 1974
8	11.4 inches	July 1994
9	11.3 inches	May 1984
10	11.2 inches	June 1948
11	11.1 inches	June 1942
12	10.9 inches	July 1961
13	10.8 inches	September 2007
14	10.8 inches	May 1995
15	10.6 inches	July 1963
16	10.5 inches	September 1962
17	10.4 inches	April 2017
18	10.1 inches	September 1941
19	10.0 inches	May 2007
20	10.0 inches	May 1987