Most Monthly Precipitation in Hanover History

This is a list of the largest monthly precipitation totals ever recorded in Hanover, New Hampshire history from 1884–2024.

What Was the Wettest Month in Hanover History?

According to NOAA records, the most precipitation that Hanover, New Hampshire has ever received in a single month is 11.3 inches which occurred in October 2005.

Month to date though April 11, 2024: 0.4 inches

Hanover Most Rain in One Month

Rank	Precipitation	Month
1	11.3 inches	October 2005
2	10.4 inches	May 1984
3	10.2 inches	August 1983
4	9.9 inches	June 2006
5	9.7 inches	July 1915
6	9.4 inches	June 2023
7	9.4 inches	July 2023
8	9.3 inches	March 1896
9	9.2 inches	July 1941
10	8.9 inches	August 1955
11	8.9 inches	September 1938
11	8.9 inches	July 2009
13	8.7 inches	November 1927
14	8.3 inches	July 1911
15	8.2 inches	September 1999
16	8.0 inches	October 2006
17	8.0 inches	July 2008
18	8.0 inches	July 1897
19	7.8 inches	September 1924
20	7.8 inches	June 1922