Weather in May in Dubuque, Ia

< May >
	Normal Max/ High Temperature	21°C (69°F)
	Average Temperature	15°C (59°F)
	Min/ Low Temperature	9°C (48°F)
	Normal Precipitation	108mm (4.3in)
	Average Daylight per day	14h 35'
	Sun altitude at solar noon on the 21st day.	67.9°

The average temperature in Dubuque, Ia in May is mild at 14.8 °C (58.64 °F).
Afternoons can be warm with average high temperatures reaching 20.7 °C (69.3 °F).
Overnight temperatures are generally a little cool with an average low of 8.9 °C (48 °F).
In May the mean diurnal temperature variation/ range is 11.8 °C (21.2 °F).
Precipitation averages for May are high with 108.2mm (4.3 in) recorded.
The shortest day is 14h 02' long and the longest day is 15h 02' long with an average length of 14h 35'.

Weather Trend Graph for May in Dubuque, Ia, Usa

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