San Diego Weather In July

The hottest July day in San Diego for the past 65 years was 31 degrees Celsius, most recently measured on July 29, 1963, while the typical high temperature is 24. The coldest July day in San Diego for the past 65 years was 1 registered on July 15, 1987, and the mean daily low in the month is 19.

United States National Weather Service historical San Diego July weather data indicates that on July 31, 1915, the measured high temperature did not exceed 9 degrees Celsius, the lowest high measured in San Diego in the past 65 years. The Weather Service additionally shows that on July 26, 1977, the low for the day did not drop below 18 degrees, the highest low temperature in San Diego in the last 65 years.

National Weather Service data shows that the high temperature in San Diego on July First averages 19 degrees Celsius and the high on the final day of July averages 18 degrees. The daily low temperature in San Diego on July First averages 10 degrees Celsius and the low on the last day of July averages 9 degrees.

San Diego receives an average of .08 centimeters of precipitation during July. July San Diego Weather records indicated that on July 22, 1945 San Diego received 6.60 centimeters of precipitation, the most rain recorded in a single day in July.