Most Daily Precipitation in McKinney History

This is a list of the largest daily precipitation totals ever recorded in McKinney, Texas history from 1903–2024.

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

According to NOAA records, the most rain that McKinney, Texas has ever received in a single day is 12.1 inches which occurred on Monday September 21, 1964.

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

McKinney Most Rain in One Day

Rank	Precipitation	Date
1	12.1 inches	September 21, 1964
2	7.8 inches	May 13, 1982
3	7.6 inches	July 15, 1960
4	6.6 inches	November 27, 2015
5	6.1 inches	May 17, 1989
6	5.7 inches	April 22, 1974
7	5.6 inches	September 21, 2018
8	5.5 inches	August 18, 1932
9	5.2 inches	May 31, 1926
10	5.1 inches	August 27, 1947
11	5.1 inches	August 18, 1915
12	4.8 inches	June 15, 1935
13	4.7 inches	October 28, 1996
14	4.7 inches	June 3, 1951
15	4.7 inches	July 15, 1989
16	4.6 inches	July 2, 1903
17	4.6 inches	May 30, 1964
18	4.4 inches	March 18, 2008
19	4.4 inches	October 13, 1969
20	4.4 inches	March 19, 2002