Sioux City weather in April 2025

Expect 17°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sioux City in April based on long-term weather averages. There is usually 10 days with some rainfall and 60 mm of average monthly rainfall in April.

  • 17°C maximum daytime temperature in April in Sioux City17
    17°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in April in Sioux City10
    10 days with some rainfall
  • 3°C minimum night-time temperature in April in Sioux City3
    3°C min night temperature
  • 13 hours of daylight per day in April in Sioux City13
    13 hours of daylight per day
  • No heat & humidity in April in Sioux City0
    No heat & humidity
  • 60 mm monthly rainfall in April in Sioux City60
    60 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Sioux City6
    6 (High) UV index

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The April weather guide for Iowa (Sioux City) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Sioux City in April?

Daytime temperatures usually reach 17°C in Sioux City in April, falling to 3°C at night.

How sunny is it in Sioux City in April?

There are normally 8 hours of bright sunshine each day in Sioux City in April - that's 58% of daylight hours.

Does it rain in Sioux City in April?

There are usually 10 days with some rain in Sioux City in April and the average monthly rainfall is 60mm.

Sioux City April sunrise & sunset times

Browse the sunrise and sunset times for Sioux City in April 2025. Select a month to view Sioux City sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:07 18:52
Tuesday, 15th April 2025 05:44 19:08
Wednesday, 30th April 2025 05:21 19:25

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