Weather By Day

May Galveston Weather 
May Galveston Weather
Record High: 94°F
Normal High: 81°F
Normal Low: 72°F
Record Low: 52°F
Avg Monthly Rain: 3.7"
Rec 1 Day Rain: 7.14"

Galveston Weather In May

The hottest day in Galveston Texas in May for the past 68 years was 94 degrees Fahrenheit, on May 3, 1984, and the average high is 81. The lowest reported temperature in May for Galveston for the past 68 years was 52 most recently measured on May 3, 1954, while the mean low daily temperature during the month is 72.

US National Weather Service historical Galveston May Weather data records that on May 2, 1970, the high temperature did not exceed 64 degrees Fahrenheit, the lowest high measured in Galveston in the past 68 years. NWS weather data additionally shows that on May 26, 1996, the lowest recorded temperature on that day did not drop below 81 degrees, the highest low measured in Galveston in the last 68 years.

According to the National Weather Service, the high temperature in Galveston in May on the first day of the month averages 77 degrees and the high on the last day of the month averages 83 degrees. The average daily low temperature in Galveston on May First is 69 degrees Fahrenheit and the average low on the last day of May is 75 degrees.

Galveston typically receives an average of 3.7 inches of precipitation during the month. May Galveston Weather records indicate that on May 30, 1975 Galveston received 7.14 inches of precipitation, the highest amount of rain recorded in a single day in May.