Hartford Weather In May
The hottest May day in Hartford for the past 56 years was 99 degrees Fahrenheit, on May 21, 1996, while the mean high temperature is 72. The lowest reported temperature in May for Hartford for the past 56 years was 28 most recently registered on May 7, 2001, and the mean daily low in the month is 48.
United States National Weather Service historical Hartford May weather data indicates that on May 5, 1978, the measured high temperature did not exceed 44 degrees Fahrenheit, the lowest high measured in Hartford in the past 56 years. Weather Service records also indicate that on May 31, 1991, the low temperature for the day was not measured below 69 degrees, the highest low measured in Hartford in the last 56 years.
National Weather Service records indicate that the high temperature in Hartford on May First averages 69 degrees and the high on the last day of the month averages 78 degrees. The low temperature in Hartford in May on the first day of the month averages 43 degrees and the low temperature on the last day of the month averages 53 degrees.
Hartford typically receives an average of 4.39 inches of rain during the month. The most rain recorded in a single day, as shown by May Hartford Weather data, was 4.81 inches on May 24, 1989.