Sioux City, IA Snowfall B+

First snow Nov 7 · Last snow Apr 7 · 35.9 in/yr · Station: SIOUX CITY AP

Avg First Snow

Nov 7

Median over 30 seasons 1d late

Avg Last Snow

Apr 7

Median over 30 seasons

Snow Season

152 days

SepJun

Avg Annual Snowfall

35.9 in

Rank #110 of 217 tracked

Latest season (2025–26): first measurable snowfall arrived 1 day later than the 30-year normal.

Average Monthly Snowfall (inches)

Sep

0.7

Oct

3.3

Nov

7.6

Dec

7.7

Jan

8.7

Feb

5.7

Mar

2.3

Apr

May

Jun

How Sioux City Compares

Sioux City snowfall vs Iowa and U.S. medians
Measure	Sioux City	Iowa median	U.S. median
Avg annual snowfall	35.9 in	36.4 in	39.1 in
Avg first snowfall	Nov 7	Nov 12	Nov 16
Avg last snowfall	Apr 7	Apr 6	Apr 3
Snow season length	152 days	147 days	139 days

Medians are taken across tracked cities with regular snowfall (5 in Iowa, 201 nationally).

Nearby Tracked Cities

Ski Resorts in Iowa

No tracked resorts — browse all→

Data source: NOAA GHCN-Daily records for SIOUX CITY AP (USW00014943), 12 km from the city center, accessed via the ACIS web service. Normals window: 1990–91 through 2019–20 snow seasons. Measurable snow = ≥ 0.1 in.