July weather in San Diego, CA
The average temperature in San Diego in July is 71.9°F (64.0°F–79.8°F). Average precipitation: 0.07 inches.
July is a summer month in San Diego, and is warmer than the annual average of 64.1°F. Daily temperatures swing about 15.8°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 13h 58m. For travel, July is one of the best months of the year to visit.
Avg High
79.8°F
Avg Low
64.0°F
Precipitation
0.07 in
Daylight
13h 58m
July records in San Diego
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 90.0°F (2006) | 57.9°F (2004) | 0.01 in (2015) |
| July 2 | 88.0°F (2006) | 59.0°F (2010) | 0.00 in (1998) |
| July 3 | 90.0°F (2003) | 57.9°F (1999) | 0.00 in (1998) |
| July 4 | 86.0°F (2003) | 59.0°F (1998) | 0.01 in (1999) |
| July 5 | 89.1°F (2020) | 59.0°F (2023) | 0.00 in (1998) |
| July 6 | 105.1°F (2018) | 57.0°F (2000) | 0.00 in (1998) |
| July 7 | 96.1°F (2018) | 57.9°F (2010) | 0.00 in (1998) |
| July 8 | 91.9°F (2018) | 60.1°F (2010) | 0.02 in (1999) |
| July 9 | 88.0°F (2018) | 60.1°F (2000) | 0.00 in (1998) |
| July 10 | 88.0°F (2020) | 60.1°F (2010) | 0.00 in (1998) |
| July 11 | 90.0°F (2020) | 61.0°F (2010) | 0.00 in (1998) |
| July 12 | 93.0°F (2020) | 61.0°F (2000) | 0.00 in (1998) |
| July 13 | 93.0°F (2009) | 60.1°F (1998) | 0.00 in (1998) |
| July 14 | 91.9°F (2006) | 60.1°F (1998) | 0.00 in (1998) |
| July 15 | 96.1°F (2006) | 59.0°F (1998) | 0.00 in (1998) |
| July 16 | 97.0°F (2010) | 59.0°F (1998) | 0.01 in (2003) |
| July 17 | 91.0°F (2009) | 57.9°F (2001) | 0.00 in (1998) |
| July 18 | 93.0°F (2009) | 60.1°F (2001) | 1.42 in (2015) |
| July 19 | 89.1°F (2009) | 61.0°F (2001) | 1.03 in (2015) |
| July 20 | 93.0°F (2005) | 60.1°F (2002) | 0.00 in (1998) |
| July 21 | 93.9°F (2016) | 61.0°F (1999) | 0.00 in (1998) |
| July 22 | 106.0°F (2006) | 60.1°F (2010) | 0.00 in (1998) |
| July 23 | 93.0°F (2018) | 61.0°F (2001) | 0.00 in (1998) |
| July 24 | 98.1°F (2006) | 60.1°F (1999) | 0.00 in (1998) |
| July 25 | 90.0°F (2019) | 61.0°F (1999) | 0.00 in (1998) |
| July 26 | 91.0°F (2006) | 61.0°F (1999) | 0.04 in (2021) |
| July 27 | 93.9°F (2018) | 59.0°F (2000) | 0.05 in (2014) |
| July 28 | 90.0°F (2014) | 60.1°F (2010) | 0.02 in (2014) |
| July 29 | 91.0°F (2014) | 57.9°F (2002) | 0.02 in (2006) |
| July 30 | 88.0°F (2018) | 60.1°F (2025) | 0.01 in (2003) |
| July 31 | 90.0°F (2000) | 61.0°F (1998) | 0.24 in (2006) |