Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
August verdict
Iowa City, Iowa, United States in August
Weather score79Very good
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 9.2h per day, so bright days are a strong part of the month. Rainfall averages 102mm, so some wet days are possible.
August weather
Monthly averages
Temp
29°C
Rain
102mm
Sun
9.2h
Weather score
79
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 102mm, so some wet days are possible.
Bright
Sunshine averages 9.2h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Iowa City, Iowa, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August29°C average high
August is one of Iowa City's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
August102mm average rain
August is one of Iowa City's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to February and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August9.2 hours average sun
August is brighter than Iowa City's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
August79 weather score
August is one of Iowa City's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
