Most Monthly Precipitation in Williamston History

This is a list of the largest monthly precipitation totals ever recorded in Williamston, North Carolina history from 1930–2024.

What Was the Wettest Month in Williamston History?

According to NOAA records, the most precipitation that Williamston, North Carolina has ever received in a single month is 28.9 inches which occurred in September 1999.

Williamston Most Rain in One Month

Rank	Precipitation	Month
1	28.9 inches	September 1999
2	17.2 inches	September 1955
3	16.4 inches	August 2011
4	16.3 inches	September 2016
5	15.9 inches	August 1967
6	15.2 inches	October 1971
7	15.1 inches	June 2001
8	14.2 inches	August 1955
9	14.2 inches	September 2010
10	13.5 inches	June 2013
11	13.4 inches	June 1995
12	13.3 inches	June 2021
13	13.2 inches	June 1962
14	12.5 inches	September 1996
15	12.2 inches	July 1996
16	12.2 inches	August 1958
17	12.1 inches	July 1950
18	12.0 inches	August 1931
19	11.7 inches	August 2019
20	11.5 inches	October 2005