Weather By Day

May Houston Weather 
May Houston Weather
Record High: 100°F
Normal High: 86°F
Normal Low: 66°F
Record Low: 44°F
Avg Monthly Rain: 5.15"
Rec 1 Day Rain: 9.47"

Houston Weather In May

The highest recorded temperature in May for Houston Texas for the past 41 years was 100 degrees Fahrenheit, measured on May 30, 1998, while the mean high temperature is 86. The coldest May day in Houston for the past 41 years was 44 most recently registered on May 3, 1978, and the standard low recorded daily temperature is 66.

United States National Weather Service historical Houston May Weather data shows that on May 3, 1978, the high temperature did not exceed 64 degrees Fahrenheit, the lowest high measured in Houston in the past 41 years. Weather Service records additionally indicate that on May 27, 1996, the low for the day was not measured below 79 degrees, the highest low temperature recorded in Houston in the last 41 years.

National Weather Service data shows that the high temperature in Houston on May First averages 82 degrees Fahrenheit and the high on the final day of May averages 88 degrees. The low recorded temperature in Houston on May First averages 65 degrees Fahrenheit and the low temperature on the final day of May averages 70 degrees.

Houston typically receives an average of 5.15 inches of rain during the month. May Houston Weather records indicate that on May 14, 1981 Houston received 9.47 inches of precipitation, the highest amount of rain recorded in a single day in May.