Most Daily Precipitation in Tucson History

This is a list of the largest daily precipitation totals ever recorded in Tucson, Arizona history from 1894–2024.

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

According to NOAA records, the most rain that Tucson, Arizona has ever received in a single day is 3.9 inches which occurred on Tuesday July 29, 1958.

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

Tucson Most Rain in One Day

Rank	Precipitation	Date
1	3.9 inches	July 29, 1958
2	3.0 inches	October 1, 1983
3	2.9 inches	August 1, 1935
4	2.9 inches	September 10, 1964
5	2.8 inches	September 15, 2011
6	2.6 inches	January 19, 1916
7	2.5 inches	August 22, 1961
7	2.5 inches	August 9, 1923
9	2.4 inches	September 26, 1962
10	2.3 inches	August 23, 2005
11	2.3 inches	August 3, 1955
12	2.3 inches	August 14, 1940
13	2.2 inches	August 14, 2021
13	2.2 inches	September 28, 1995
13	2.2 inches	September 25, 1943
13	2.2 inches	December 3, 1906
17	2.1 inches	July 22, 1955
17	2.1 inches	September 11, 1921
19	2.1 inches	December 5, 1994
20	2.1 inches	November 22, 1931