Most Monthly Precipitation in Hartford History

This is a list of the largest monthly precipitation totals ever recorded in Hartford, Connecticut history from 1920–2024.
What Was the Wettest Month in Hartford History?
According to NOAA records, the most precipitation that Hartford, Connecticut has ever received in a single month is 21.9 inches which occurred in August 1955.
Month to date though May 28, 2024: 2.8 inches
Hartford Most Rain in One Month
Rank Precipitation Month
1 21.9 inches August 1955
2 16.3 inches October 2005
3 14.6 inches September 1938
4 13.9 inches July 2023
5 13.6 inches June 1982
6 12.2 inches September 2023
7 12.0 inches May 1989
8 11.7 inches August 2011
9 11.6 inches October 1955
10 11.6 inches May 1984
11 11.2 inches July 1938
12 11.2 inches September 1999
13 11.2 inches July 2009
14 11.1 inches September 2003
15 10.8 inches June 2013
16 10.2 inches July 2021
17 9.9 inches April 1983
18 9.7 inches June 1972
19 9.7 inches September 2011
20 9.6 inches January 1978