Sioux City weather in March 2025

Expect 8°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Sioux City in March. Check more long-term weather averages for Sioux City in March before you book your next holiday to Iowa in 2025/2026.

  • 8°C maximum daytime temperature in March in Sioux City8
    8°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in March in Sioux City9
    9 days with some rainfall
  • -4°C minimum night-time temperature in March in Sioux City-4
    -4°C min night temperature
  • 12 hours of daylight per day in March in Sioux City12
    12 hours of daylight per day
  • No heat & humidity in March in Sioux City0
    No heat & humidity
  • 50 mm monthly rainfall in March in Sioux City50
    50 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Sioux City4
    4 (Moderate) UV index

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The March 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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More about the USA

How warm is it in Sioux City in March?

Daytime temperatures usually reach 8°C in Sioux City in March, falling to -4°C at night.

How sunny is it in Sioux City in March?

There are normally 7 hours of bright sunshine each day in Sioux City in March - that's 58% of daylight hours.

Does it rain in Sioux City in March?

There are usually 9 days with some rain in Sioux City in March and the average monthly rainfall is 50mm. Rain may fall as snow in this month.

Sioux City March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 07:00 18:16
Sunday, 16th March 2025 06:35 18:34
Monday, 31st March 2025 06:09 18:51

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