Sioux City weather in October 2025

Expect 64°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Sioux City in October. Check more long-term weather averages for Sioux City in October before you book your next holiday to Iowa in 2025/2026.

  • 64°F maximum daytime temperature in October in Sioux City64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in October in Sioux City7
    7 days with some rainfall
  • 39°F minimum night-time temperature in October in Sioux City39
    39°F min night temperature
  • 11 hours of daylight per day in October in Sioux City11
    11 hours of daylight per day
  • No heat & humidity in October in Sioux City0
    No heat & humidity
  • 1.9 inches monthly rainfall in October in Sioux City1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Sioux City4
    4 (Moderate) UV index

More about Sioux City

Sioux City by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Iowa

  • Save 10% on hotels with Hopper rewards programme
  • Book stays in Las Vegas, New York, Tampa & beyond
  • Sign up to Hopper rewards programme for discount

The October 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)

Back to top

More about the USA

How hot is it in Sioux City in October?

Daytime temperatures usually reach 64°F in Sioux City in October, falling to 39°F at night.

How sunny is it in Sioux City in October?

There are normally 7 hours of bright sunshine each day in Sioux City in October - that's 61% of daylight hours.

Does it rain in Sioux City in October?

There are usually 7 days with some rain in Sioux City in October and the average monthly rainfall is 1.9 inches.

Sioux City October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:23 18:06
Thursday, 16th October 2025 06:40 17:41
Friday, 31st October 2025 06:58 17:19

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^