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

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.

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

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
Sunny, partly cloudy and cloudy days
Average sunny hours

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
August 18 days
October 18 days
Warmest months:
August 84.9 °F
July 82.4 °F
September 80.1 °F
Coldest months:
January 24.2 °F
February 29.5 °F
December 33.2 °F
Rainiest months:
May 3 days
June 3 days
April 2 days
Windiest months:
April 12.5 mph
March 11.4 mph
November 10.5 mph

Sioux City on a weather map

Sioux City
+23°F
N 12 mph
Feels like: +12°F
Precip.: 0%
Places in USA:
Name
°F
+16°F
+25°F
+75°F
+75°F
+54°F
+54°F
+63°F
+21°F
+52°F
+54°F
+54°F
+50°F
+48°F
+46°F
+23°F
24 Hours Forecast
Sioux City
Local time: 02:22
December 22, sunday
0300
23°F
N
12 mph
0600
23°F
N
13 mph
0900
23°F
N
14 mph
1200
32°F
N
16 mph
1500
39°F
N
17 mph
1800
36°F
N
11 mph
2100
30°F
E
11 mph
December 23, monday
0000
30°F
SE
11 mph
Units of measurement: °C / °F