Weather By Day

May Green Bay Weather 
May Green Bay Weather
Record High: 91°F
Normal High: 68°F
Normal Low: 45°F
Record Low: 21°F
Avg Monthly Rain: 2.75"
Rec 1 Day Rain: 2.22"
Avg Monthly Snow: 0.2"
Rec 1 Day Snow: 4.3"

Green Bay Weather In May

The highest recorded temperature for Green Bay Wisconsin for the past 61 years in May was 91 degrees Fahrenheit, measured on May 2, 1959, and the normal high is 68. The lowest documented temperature for Green Bay for the past 61 years in May was 21 registered on May 2, 1966, and the standard low recorded daily temperature is 45.

United States NWS historical Green Bay May Weather data records that on May 6, 1989, the high temperature did not exceed 36 degrees Fahrenheit, the lowest high measured in Green Bay in the past 61 years. Weather Service records additionally show that on May 5, 1949, the recorded low temperature for the day did not drop below 70 degrees, the highest low measured in Green Bay in the last 61 years.

NWS data indicates that the daily high temperature in Green Bay on May First averages 61 degrees Fahrenheit and the high on the last day of May averages 73 degrees. The low recorded temperature in Green Bay on May First averages 40 degrees Fahrenheit and the low temperature on the final day of May averages 50 degrees.

Green Bay usually receives an average of 2.75 inches of precipitation during May. The most precipitation measured in a single day, as indicated by May Green Bay Weather data, was 2.22 inches on May 27, 1973. Green Bay averages 0.2 inches of snow in May. The highest snowfall measured in a single day in May was 4.3 inches on May 10, 1990.