Weather By Day

May Dubuque Weather 
May Dubuque Weather
Record High: 91°F
Normal High: 69°F
Normal Low: 49°F
Record Low: 21°F
Avg Monthly Rain: 4.12"
Rec 1 Day Rain: 4.37"
Avg Monthly Snow: 0.1"
Rec 1 Day Snow: 3.1"

Dubuque Weather In May

In the last 58 years the highest measured May temperature in Dubuque was 91 degrees Fahrenheit, registered on May 28, 2006, and the average high is 69. The record low May temperature in Dubuque for the last 58 years was 21 most recently registered on May 3, 2005, while the regular low temperature for a given day during the month is 49.

According to National Weather Service Dubuque May Weather data, on May 6, 1989, the recorded high temperature did not exceed 37 degrees Fahrenheit, the lowest high measured in Dubuque in the past 58 years. Weather Service records additionally show that on May 28, 2006, the recorded low temperature for the day did not drop below 70 degrees, the highest low measured in Dubuque in the last 58 years.

According to the National Weather Service, the high temperature in Dubuque in May on the first day of the month averages 64 degrees and the high on the last day of the month averages 74 degrees. The average daily low temperature in Dubuque on May First is 43 degrees Fahrenheit and the average low on the last day of May is 54 degrees.

Dubuque normally receives an average of 4.12 inches of rain during May. The most precipitation measured in a single day, as indicated by May Dubuque Weather data, was 4.37 inches on May 6, 1960. Dubuque receives an average of 0.1 inches of snow in May.On May 11, 1966 Dubuque received 3.1 inches of rain, the greatest snowfall measured in a single day in May.