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Sioux City weather by month
Check out Sioux City weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Sioux City (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | -2 |
1 |
8 |
17 |
23 |
28 |
31 |
29 |
24 |
18 |
8 |
-1 |
Min temperature (night-time) | -14 |
-10 |
-4 |
3 |
10 |
15 |
18 |
16 |
11 |
4 |
-3 |
-11 |
Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
M |
H |
M |
0 |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Sioux City
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daily hours of sunshine | ||||||||||||
Daily hours of daylight | 9 |
11 |
12 |
13 |
15 |
15 |
15 |
14 |
12 |
11 |
10 |
9 |
UV Index (Maximum) | 1 |
2 |
4 |
6 |
7 |
9 |
9 |
8 |
6 |
4 |
2 |
1 |
Rainfall in Sioux City
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 7 |
6 |
9 |
10 |
11 |
10 |
9 |
9 |
9 |
7 |
6 |
7 |
Average monthly rainfall (mm) | 14 |
18 |
50 |
60 |
93 |
95 |
83 |
75 |
73 |
49 |
27 |
20 |
More about Sioux City
Sioux City by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Iowa
The climate guide for Iowa (Sioux City) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Sioux City?
Sioux City has a cold climate with hot summers and some rainfall in all months.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
Compare Sioux City with the UK
Below the Sioux City chart shows average maximum daytime temperature for Sioux City, Iowa, USA and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Sioux City weather >>
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