World Resorts USA Sioux City

Sioux City Monthly Weather Averages

Please click on any column to get detailed information about Sioux City weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
33.2
46.4
62.0
80.1
84.9
82.4
79.5
66.6
54.8
45.2
29.2
24.7
25.1
36.3
47.4
60.2
66.9
66.9
64.9
54.1
42.5
34.6
19.2
17.3
Day temperature   
Night temperature

The warmest month in Sioux City is august. The average daily temp is 84.9°F. The average nightly temp is 66.9°F.

Precipitation total, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.5
0.7
1.0
1.2
1.5
1.7
0.4
0.3
0.7
0.5
0.8
0.9
1.4
1.4
1
0.7
0.2
0.4

February is the month with least precipitations during the year. The average precipitation totals for this month is 0.2 in. The month with most precipitation total is June.

Number of rainy days

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
4
1
0
1
1
1
2
3
3
2
1
0
1

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
2
4
6
8
10
12
14
10
10.5
10.4
10.4
9.4
8.2
9.7
10.1
12.5
11.5
9.7
9.6
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
10
7
5
3
4
4
5
13
11
12
10
14
11
8
7
7
9
11
12
8
9
7
9
9
10
15
18
20
18
16
12
10
10
11
10
8
Cloudy days   
Partly cloudy days   
Sunny days
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
12
4.6
5.8
8.1
9.7
9.9
10.2
9.8
7.6
6.9
6.2
5.4
4.4

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Sioux City

Sunniest months:
September 20 days
October 18 days
August 18 days
Warmest months:
August 84.9 °F
July 82.4 °F
September 80.1 °F
Coldest months:
January 24.7 °F
February 29.2 °F
December 33.2 °F
Rainiest months:
May 3 days
June 3 days
April 2 days
Windiest months:
April 12.5 mph
March 11.5 mph
November 10.5 mph

Sioux City on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
Boston
+43°F
Washington
+75°F
Hawaii
+75°F
Honolulu
+75°F
Las Vegas
+66°F
Los Angeles
+79°F
Miami
+79°F
New York
+45°F
Orlando
+88°F
San Diego
+66°F
San Francisco
+54°F
Sarasota
+90°F
Tampa
+91°F
Houston
+79°F
Chicago
+50°F
all places
24 Hours Forecast
Sioux City
Local time: 14:19
April 05, saturday
1500
46°F
S
11 mph
1800
48°F
S
13 mph
2100
39°F
SE
6 mph
April 06, sunday
0000
34°F
S
7 mph
0300
32°F
N
3 mph
0600
30°F
NE
6 mph
0900
41°F
NE
5 mph
1200
52°F
NE
7 mph
Units of measurement: °C / °F