Weather Guide

Sioux City, Iowa, United States Average Monthly Weather

Weather score53Mixed annual avg

Best months: July, August, June

Across the year, average daytime temperatures are around 15°C, sunshine averages 7.3h per day, and rainfall totals about 657mm.

Sioux City, Iowa, United States, United States travel weather guide
Photo by WikimediaImages on Pixabay

Annual weather

Annual averages

Temp

15°C

Rain

657mm

Annual total

Sun

7.3h

Weather score

53

Mixed avg

Seasonal climate calendar

Trip feel

Cool

Average highs are around 8°C, so pack for cooler days.

Drier

Rainfall averages 27mm, which is relatively low for holiday planning.

Limited sun

Sunshine averages 4.8h per day, so this is not one of the brighter months.

Map

Weather map

Compare Sioux City, Iowa, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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November8°C average high

November is on the cooler side of Sioux City's year, useful if you prefer less intense daytime heat.

Warmest monthsMay to September

This stretch sets the upper range for average daytime heat.

November27mm average rain

November sits on the drier side of Sioux City's year, which helps with sightseeing and transfers.

Driest monthsJanuary to February and November to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

November4.8 hours average sun

November is one of Sioux City's cloudier months, so sunshine-led plans are less reliable.

Brightest monthsJune to August

This stretch has the strongest sunshine in the monthly averages.

Weather score

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November37 weather score

November is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsJune to August

These months have the strongest weather score in the monthly averages.

Hotels in Sioux City, Iowa, United States