Dallas Weather In May
The hottest May day in Dallas for the past 57 years was 103 degrees Fahrenheit, registered on May 30, 1985, while the mean high temperature is 83. The lowest documented temperature for Dallas for the past 57 years in May was 36 measured on May 1, 1908, while the standard low daily temperature for the month is 63.
United States National Weather Service historical Dallas May weather data indicates that on May 3, 1978, the measured high temperature did not exceed 54 degrees Fahrenheit, the lowest high measured in Dallas in the past 57 years. The Weather Service additionally shows that on May 16, 1995, the low for the day did not drop below 80 degrees, the highest low temperature in Dallas in the last 57 years.
NWS data indicates that the daily high temperature in Dallas on May First averages 78 degrees Fahrenheit and the high on the last day of May averages 88 degrees. The low recorded temperature in Dallas on May First averages 59 degrees Fahrenheit and the low temperature on the final day of May averages 67 degrees.
Dallas usually receives an average of 5.15 inches of precipitation during the month. May Dallas Weather records indicate that on May 17, 1949 Dallas received 5.14 inches of precipitation, the highest amount of rain recorded in a single day in May.