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 84.4°F. The average nightly temp is 66.3°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 May.

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:
October 19 days
September 19 days
August 16 days
Warmest months:
August 84.4 °F
July 83.2 °F
June 80.1 °F
Coldest months:
January 25.3 °F
February 31.4 °F
December 32.8 °F
Rainiest months:
May 3 days
June 3 days
April 2 days
Windiest months:
April 12.4 mph
March 11.5 mph
October 10.6 mph

Sioux City on a weather map

Sioux City
+72°F
E 6 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+73°F
+39°F
24 Hours Forecast
Sioux City
Local time: 16:34
March 18, wednesday
1800
70°F
SE
2 mph
2100
55°F
NW
2 mph
March 19, thursday
0000
41°F
N
2 mph
0300
32°F
N
1 mph
0600
28°F
W
2 mph
0900
34°F
S
2 mph
1200
45°F
NW
4 mph
1500
59°F
NE
6 mph
Units of measurement: °C / °F