World Resorts USA Sioux City Weather

Sioux City weather in April

Weather in Sioux City: April

Average day temperature: 56.1°F
Average night temperature: 42.8°F
Number of sunny days: 12 days
Day length: 12.7 - 14.0 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in April, °F

Show year:
2026
2025
2024

The highest day temperature during April of 2026 was 86°F. At the same time the lowest night temperature was 30°F. Daily and nightly averages during April were 59.8°F and 44.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in April are sunny but cloudy days are also possible.

Precipitation total in April, in.

Precipitation total value in Sioux City in April is 0.9 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 12.3 mph It makes April most windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 7.4.

Best time for vacation in Sioux City

Sunniest months:
October 18 days
July 17 days
September 17 days
Warmest months:
July 84.4 °F
August 84.2 °F
June 80.6 °F
Coldest months:
January 25.3 °F
February 31.4 °F
December 32.8 °F
Rainiest months:
April 2 days
June 2 days
May 2 days
Windiest months:
April 12.3 mph
March 11.5 mph
October 10.5 mph

Sioux City on a weather map

Sioux City
+61°F
W 6 mph
Feels like: +61°F
Precip.: 1%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
Sioux City
Local time: 11:46
October 29, thursday
1200
61°F
W
6 mph
1500
64°F
W
7 mph
1800
59°F
W
7 mph
2100
52°F
W
7 mph
October 30, friday
0000
50°F
W
7 mph
0300
54°F
W
9 mph
0600
54°F
W
10 mph
0900
54°F
W
12 mph
Units of measurement: °C / °F