Sioux City climate

The climate guide for Sioux City, Iowa is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

Max Day Temperature (°C)

Hours of Sunshine (daily)

Days with some Rainfall

Min Night Temperature (°C)

Hours of Daylight (daily)

Heat & Humidity index

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec
  • Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Monthly Rainfall (mm)

UV index (maximum)

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

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

  • Save up to £100 on holidays - min spend £2,500
  • Save £50 per booking on holidays over £1,250
  • Discount available on flight+hotel & fly drive holidays

Expires at 23:59 on Tuesday 7th July 2015

More about Sioux City

Back to Iowa

Sioux City weather by month

Check the weather in Sioux City for a particular month by selecting from the list below.

Top ^