Sioux City weather in June 2025

Expect 82°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Sioux City in June. Check more long-term weather averages for Sioux City in June before you book your next holiday to Iowa in 2025/2026.

  • 82°F maximum daytime temperature in June in Sioux City82
    82°F max day temperature
  • 10 hours of sunshine per day
  • 10 days with some rainfall in June in Sioux City10
    10 days with some rainfall
  • 59°F minimum night-time temperature in June in Sioux City59
    59°F min night temperature
  • 15 hours of daylight per day in June in Sioux City15
    15 hours of daylight per day
  • Moderate heat & humidity in June in Sioux CityM
    Moderate heat & humidity
  • 3.7 inches monthly rainfall in June in Sioux City3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Sioux City9
    9 (Very High) UV index

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The June 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)  |  Imperial (°F)

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How hot is it in Sioux City in June?

Daytime temperatures usually reach 82°F in Sioux City in June with moderate heat and humidity, falling to 59°F at night.

How sunny is it in Sioux City in June?

There are normally 10 hours of bright sunshine each day in Sioux City in June - that's 68% of daylight hours.

Does it rain in Sioux City in June?

There are usually 10 days with some rain in Sioux City in June and the average monthly rainfall is 3.7 inches.

Sioux City June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:51 19:57
Sunday, 15th June 2025 04:48 20:05
Monday, 30th June 2025 04:52 20:07

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