Seattle Weather In June
The hottest day in Seattle Washington in June for the past 66 years was 100 degrees Fahrenheit, most recently encountered on June 8, 1955, and the mean high is 70. In the last 66 years the highest reported temperature in Seattle for June was 45 measured on June 7, 1952, while the mean low daily temperature during the month is 52.
United States National Weather Service historical Seattle June Weather data shows that on June 11, 1952, the high temperature did not exceed 52 degrees Fahrenheit, the lowest high measured in Seattle in the past 66 years. Weather Service records additionally indicate that on June 21, 1970, the low for the day was not measured below 66 degrees, the highest low temperature recorded in Seattle in the last 66 years.
National Weather Service data shows that the high temperature in Seattle on June First averages 70 degrees Fahrenheit and the high on the final day of June averages 71 degrees. The low temperature in Seattle in June on the first day of the month averages 52 degrees and the low temperature on the last day of the month averages 54 degrees.
Seattle usually receives an average of 1.49 inches of precipitation during the month. The most rain recorded in a single day, as shown by June Seattle Weather data, was 1.08 inches on June 17, 1964.