Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
August verdict
Waterloo, Iowa, United States in August
Weather score76Very good
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 9.3h per day, so bright days are a strong part of the month. Rainfall averages 107mm, so some wet days are possible.
August weather
Monthly averages
Temp
28°C
Rain
107mm
Sun
9.3h
Weather score
76
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 107mm, so some wet days are possible.
Bright
Sunshine averages 9.3h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Waterloo, Iowa, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August28°C average high
August is one of Waterloo'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
August107mm average rain
August is wetter than Waterloo's yearly average, so flexible plans matter more.
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
August9.3 hours average sun
August is brighter than Waterloo'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
August76 weather score
August scores above Waterloo's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
