San Francisco Weather In July
The highest recorded temperature in July for San Francisco for the past 83 years was 105 degrees Fahrenheit, most recently measured on July 17, 1988, and the average high is 71. In the last 83 years the highest reported temperature in San Francisco for July was 44 most recently encountered on July 29, 1951, and the average low daily temperature is 54.
United States NWS historical San Francisco July Weather data records that on July 3, 1949, the high temperature did not exceed 56 degrees Fahrenheit, the lowest high measured in San Francisco in the past 83 years. Weather Service records also indicate that on July 18, 2004, the low temperature for the day was not measured below 63 degrees, the highest low measured in San Francisco in the last 83 years.
Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in San Francisco on July First is 67 degrees Fahrenheit and the average high on the last day of July is 64 degrees. The average recorded low temperature in San Francisco on July First is 50 degrees Fahrenheit and the average low on the last day of July is 48 degrees.
San Francisco usually receives an average of 0.03 inches of precipitation during the month. According to July San Francisco Weather records, the most rain measured in a single day in July was 0.35 inches on July 2, 1977.