Weather By Day

August Weather In Dubuque  
August Dubuque Weather
Record High: 100°F
Normal High: 80°F
Normal Low: 60°F
Record Low: 40°F
Avg Monthly Rain: 4.59"
Rec 1 Day Rain: 5.99"

Dubuque Weather In August

The hottest day in Dubuque Iowa in August for the past 58 years was 100 degrees Fahrenheit, registered on August 16, 1988, and the normal high is 80. The record low August temperature in Dubuque for the last 58 years was 40 measured on August 27, 1986, and the normal low daily temperature is 60.

US National Weather Service Dubuque August Weather data records that on August 25, 1987, the high temperature did not exceed 56 degrees Fahrenheit, the lowest high measured in Dubuque in the past 58 years. The Weather Service additionally shows that on August 13, 1995, the low for the day did not drop below 75 degrees, the highest low temperature in Dubuque in the last 58 years.

Weather Service historical data shows that the average daily high temperature in Dubuque on August First is 82 degrees Fahrenheit and the average high on the last day of August is 78 degrees. The average daily low temperature in Dubuque on August First is 61 degrees Fahrenheit and the average low on the last day of August is 58 degrees.

Dubuque usually receives an average of 4.59 inches of rain during the month. August Dubuque Weather records indicated that on August 22, 2002 Dubuque received 5.99 inches of precipitation, the most rain recorded in a single day in August.