Most Monthly Precipitation in Bangor History

This is a list of the largest monthly precipitation totals ever recorded in Bangor, Maine history from 1925–2024.

What Was the Wettest Month in Bangor History?

According to NOAA records, the most precipitation that Bangor, Maine has ever received in a single month is 13.3 inches which occurred in October 2005.

Month to date though April 22, 2024: 2.7 inches

Bangor Most Rain in One Month

Rank	Precipitation	Month
1	13.3 inches	October 2005
2	11.6 inches	November 1983
3	11.0 inches	April 1983
4	10.6 inches	December 1927
5	10.1 inches	December 1969
6	9.9 inches	September 1999
7	9.4 inches	September 2021
8	9.2 inches	December 1983
9	9.0 inches	September 1954
10	9.0 inches	March 2024
11	9.0 inches	October 2003
12	8.9 inches	October 2022
13	8.8 inches	November 1963
14	8.8 inches	December 1996
15	8.4 inches	December 1973
16	8.4 inches	November 1950
17	8.3 inches	August 2011
18	8.3 inches	November 1969
19	8.2 inches	October 1943
20	8.1 inches	June 2009