Cedar Rapids weather in August 2025

Expect 28°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Cedar Rapids in August. Check more long-term weather averages for Cedar Rapids in August before you book your next holiday to Iowa in 2025/2026.

  • 28°C maximum daytime temperature in August in Cedar Rapids28
    28°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in August in Cedar Rapids9
    9 days with some rainfall
  • 16°C minimum night-time temperature in August in Cedar Rapids16
    16°C min night temperature
  • 14 hours of daylight per day in August in Cedar Rapids14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Cedar RapidsM
    Moderate heat & humidity
  • 110 mm monthly rainfall in August in Cedar Rapids110
    110 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Cedar Rapids8
    8 (Very High) UV index

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The August weather guide for Iowa (Cedar Rapids) 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 hot is it in Cedar Rapids in August?

Daytime temperatures usually reach 28°C in Cedar Rapids in August with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Cedar Rapids in August?

There are normally 9 hours of bright sunshine each day in Cedar Rapids in August - that's 68% of daylight hours.

Does it rain in Cedar Rapids in August?

There are usually 9 days with some rain in Cedar Rapids in August and the average monthly rainfall is 110mm.

Cedar Rapids August sunrise & sunset times

Browse the sunrise and sunset times for Cedar Rapids in August 2025. Select a month to view Cedar Rapids sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:01 19:25
Saturday, 16th August 2025 05:16 19:05
Sunday, 31st August 2025 05:32 18:41

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