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Weather in August in Des Moines, Iowa

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< August >
 
Normal Max/ High Temperature 29°C (84°F)
 
Average Temperature 23°C (74°F)
 
Min/ Low Temperature 18°C (64°F)
 
Normal Precipitation 107mm (4.2in)
Number of Wet Days (probability of rain on a day) 9 (29%)
Average Sunlight per day 09:38
Average Daylight per day 13:48
Sunny (Cloudy) Daylight Hours 71% (29%)
Sun altitude at solar noon on the 21st day.
60.4°


  • The average temperature in Des Moines, Iowa in August is fairly hot at 23.3 °C (73.94 °F).
  • Afternoons can be very hot with average high temperatures reaching 29 °C (84.2 °F).
  • Overnight temperatures are generally very mild with an average low of 17.6 °C (63.7 °F).
  • The average diurnal temperature variation/ range in August is 11.4 °C (20.5 °F).
  • The weather in August is not exactly parched with some rain. Circa 106.7mm (4.2in) of water precipitates across on average 9 days.
  • The blue above Des Moines, Iowa is nice and sunny with on balance a considerable 9:38 of glaring solar radiation per day.
  • The shortest day is 13:09 long and the longest day is 14:24 long with an average length of 13:48.
  • There are approximately 3:59 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
  • It is sunny approximately 70.7% of daylight hours and cloudy 29.3% of daylight hours.

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Weather Trend Graph for August in Des Moines, Iowa, Usa

Graph of weather in Des Moines, Iowa in August

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