Mount Washington Weather In May
The highest recorded temperature for Mount Washington for the past 78 years in May was 66 degrees Fahrenheit, on May 17, 1977, while the average high temperature is 42. The lowest measured temperature in Mount Washington for the last 78 years in May was -2 on May 10, 1966, while the average low temperature is 30.
According to National Weather Service historical Mount Washington May Weather data, on May 3, 1986, the high temperature did not exceed 9 degrees Fahrenheit, the lowest high measured in Mount Washington in the past 78 years. The Weather Service additionally shows that on May 22, 1992, the low for the day did not drop below 51 degrees, the highest low temperature in Mount Washington in the last 78 years.
Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Mount Washington on May First is 38 degrees Fahrenheit and the average high on the last day of May is 47 degrees. The low measured temperature in Mount Washington on May First averages 24 degrees and the low on the last day of the month averages 36 degrees.
Mount Washington usually receives an average of 8.21 inches of rain during May. May Mount Washington Weather records show that on May 22, 1997 Mount Washington received 3.75 inches of rain, the most rain measured in a single day in May. Mount Washington receives an average of 11.7 inches of snow in May. The most snow measured in a single day in May was 18.9 inches on May 7, 1997.