Weather By Day

July Weather In Seattle  
July Seattle Weather
Record High: 98°F
Normal High: 75°F
Normal Low: 55°F
Record Low: 48°F
Avg Monthly Rain: 0.79"
Rec 1 Day Rain: 0.81"

Seattle Weather In July

The hottest July day in Seattle for the past 66 years was 98 degrees Fahrenheit, most recently measured on July 27, 1958, while the average high temperature is 75. In the last 66 years the highest reported temperature in Seattle for July was 48 most recently measured on July 13, 1971, while the standard low daily temperature for the month is 55.

United States NWS historical Seattle July Weather data records that on July 19, 1954, the high temperature did not exceed 56 degrees Fahrenheit, the lowest high measured in Seattle in the past 66 years. The Weather Service additionally shows that on July 13, 1961, the low for the day did not drop below 68 degrees, the highest low temperature in Seattle in the last 66 years.

Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Seattle on July First is 72 degrees Fahrenheit and the average high on the last day of July is 78 degrees. The daily low temperature in Seattle on July First averages 55 degrees Fahrenheit and the low on the last day of July averages 57 degrees.

Seattle usually receives an average of 0.79 inches of precipitation during July. July Seattle Weather records indicate that on July 9, 1954 Seattle received 0.81 inches of precipitation, the highest amount of rain recorded in a single day in July.