Most Monthly Snow in Sioux City History

This is a list of the largest daily snowfall totals ever recorded in Sioux City, Iowa history from 1948–2024.

What Was the Snowiest Month in Sioux City History?

According to NOAA records, the most snow that Sioux City, Iowa has ever received in a single month is 34.0 inches which occurred in December 2009.

Sioux City Most Snow in One Month

Rank	Snow	Month
1	34.0 inches	December 2009
2	29.1 inches	January 1982
3	26.2 inches	March 1962
4	24.5 inches	February 1993
5	23.1 inches	January 2024
6	22.6 inches	December 2008
7	21.3 inches	February 1962
8	21.1 inches	January 2011
9	20.6 inches	December 1968
10	20.2 inches	March 2004
11	20.0 inches	February 2007
12	19.1 inches	March 1983
13	18.6 inches	February 2019
14	18.5 inches	March 1960
15	18.2 inches	January 1975
16	18.0 inches	December 2000
17	17.8 inches	March 1984
18	17.5 inches	March 1951
19	17.2 inches	March 1965
20	16.6 inches	January 2004