Weather By Day

July Portland Weather 
July Portland Weather
Record High: 107°F
Normal High: 79°F
Normal Low: 59°F
Record Low: 43°F
Avg Monthly Rain: 3.32"
Rec 1 Day Rain: 1.05"

Portland Weather In July

The record high July temperature in Portland Maine for the last 70 years was 107 degrees Fahrenheit, most recently measured on July 30, 1965, while the typical high temperature is 79. The lowest measured temperature in Portland for the last 70 years in July was 43 measured on July 2, 1955, while the mean low daily temperature during the month is 59.

According to National Weather Service historical Portland July Weather data, on July 20, 1954, the high temperature did not exceed 60 degrees Fahrenheit, the lowest high measured in Portland in the past 70 years. NWS data also shows that on July 27, 1998, the lowest measured temperature on that day did not drop below 72 degrees, the highest low temperature measured in Portland in the last 70 years.

National Weather Service data shows that the high temperature in Portland on July First averages 44 degrees Fahrenheit and the high on the final day of July averages 39 degrees. The low recorded temperature in Portland on July First averages 32 degrees Fahrenheit and the low temperature on the final day of July averages 27 degrees.

Portland typically receives an average of 3.32 inches of rain during the month. July Portland Weather records show that on July 9, 1995 Portland received 1.05 inches of rain, the most rain measured in a single day in July.