Weather By Day

May Baltimore Weather 
May Baltimore Weather
Record High: 98°F
Normal High: 74°F
Normal Low: 52°F
Record Low: 32°F
Avg Monthly Rain: 3.89"
Rec 1 Day Rain: 3.28"

Baltimore Weather In May

The hottest May day in Baltimore for the past 60 years was 98 degrees Fahrenheit, measured on May 30, 1991, and the average high is 74. The lowest documented temperature in May for Baltimore for the past 60 years was 32 on May 11, 1966, while the average low temperature is 52.

According to National Weather Service historical Baltimore May Weather data, on May 1, 1963, the high temperature did not exceed 47 degrees Fahrenheit, the lowest high measured in Baltimore in the past 60 years. The Weather Service additionally indicates that on May 26, 1991, the low for the day did not drop below 74 degrees, the highest low recorded in Baltimore in the last 60 years.

Weather Service historical data shows that the average daily high temperature in Baltimore on May First is 71 degrees Fahrenheit and the average high on the last day of May is 80 degrees. The average daily low temperature in Baltimore on May First is 49 degrees Fahrenheit and the average low on the last day of May is 58 degrees.

Baltimore usually receives an average of 3.89 inches of rain during the month. The most precipitation recorded on a single day in May, according to May Baltimore Weather data, was 3.28 inches on May 8, 1960.