Most Daily Precipitation in Janesville History

This is a list of the largest daily precipitation totals ever recorded in Janesville, Wisconsin history from 1893–2024.

What's the Most It Has Ever Rained in Janesville?

According to NOAA records, the most rain that Janesville, Wisconsin has ever received in a single day is 4.5 inches which occurred on Wednesday September 13, 1961.

Also see most rain in: 2 days | 1 week | 1 month

Janesville Most Rain in One Day

Rank	Precipitation	Date
1	4.5 inches	September 13, 1961
2	4.2 inches	August 5, 2007
3	4.0 inches	July 29, 2016
4	4.0 inches	August 4, 1952
5	3.9 inches	August 7, 2007
6	3.6 inches	August 14, 1981
7	3.5 inches	August 27, 1950
8	3.4 inches	July 2, 1962
9	3.3 inches	July 23, 2010
10	3.3 inches	August 5, 1998
10	3.3 inches	May 10, 1948
10	3.3 inches	September 21, 1947
13	3.2 inches	September 7, 1980
14	3.1 inches	June 1, 2000
15	3.0 inches	September 12, 2022
16	2.9 inches	September 13, 2019
17	2.9 inches	June 30, 1955
18	2.9 inches	August 17, 2018
19	2.8 inches	August 25, 1972
20	2.8 inches	May 13, 2014
20	2.8 inches	October 24, 2001
20	2.8 inches	July 16, 1950