Weather in May in Des Moines, Iowa

• The average temperature in Des Moines, Iowa in May is very mild at 16.8 °C (62.24 °F).
• Afternoons can be really warm with average high temperatures reaching 22.8 °C (73 °F).
• Overnight temperatures are generally quite mild with an average low of 10.8 °C (51.4 °F).
• In May the range/ variation of diurnal average temperatures is 12 °C (21.6 °F).
• Precipitation averages for May are high with 93mm (3.7 in) recorded across 11 days.
• The blue above Des Moines, Iowa is quite sunny with on average a respectable 8h 38' of resplendent sunlight per day.
• The shortest day is 13h 58' long and the longest day is 14h 56' long with an average length of 14h 30'.
• There are approximately 5h 41' per day when the sun is occluded by cloud, haze, fog etc.
• It is sunny approximately 60.3% of daylight hours and cloudy 39.7% of daylight hours.

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