August weather in San Jose, CA
The average temperature in San Jose in August is 70.0°F (58.6°F–81.4°F). Average precipitation: 0.05 inches.
August is a summer month in San Jose, and is warmer than the annual average of 60.7°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 26m. For travel, August is a comfortable month to visit.
Avg High
81.4°F
Avg Low
58.6°F
Precipitation
0.05 in
Daylight
13h 26m
August records in San Jose
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.0°F (2000) | 52.0°F (2010) | 0.00 in (1998) |
| August 2 | 93.0°F (1998) | 53.1°F (2010) | 0.00 in (1998) |
| August 3 | 99.0°F (1998) | 53.1°F (2008) | 0.06 in (1999) |
| August 4 | 99.0°F (1998) | 54.0°F (2002) | 0.00 in (1998) |
| August 5 | 91.0°F (1998) | 55.0°F (2008) | 0.00 in (1998) |
| August 6 | 91.9°F (2023) | 53.1°F (2002) | 0.02 in (2009) |
| August 7 | 93.0°F (2023) | 54.0°F (2002) | 0.00 in (1998) |
| August 8 | 97.0°F (2002) | 53.1°F (2007) | 0.00 in (1998) |
| August 9 | 99.0°F (2002) | 55.0°F (2011) | 0.00 in (1998) |
| August 10 | 95.0°F (2009) | 55.0°F (2008) | 0.00 in (1998) |
| August 11 | 93.0°F (1998) | 55.0°F (2011) | 0.00 in (1998) |
| August 12 | 95.0°F (1998) | 55.0°F (2011) | 0.00 in (1998) |
| August 13 | 95.0°F (2020) | 52.0°F (1999) | 0.00 in (1998) |
| August 14 | 102.9°F (2020) | 53.1°F (1999) | 0.00 in (1998) |
| August 15 | 99.0°F (2019) | 51.1°F (1999) | 0.00 in (1998) |
| August 16 | 100.0°F (2020) | 54.0°F (1999) | 0.01 in (2020) |
| August 17 | 96.1°F (2020) | 54.0°F (2006) | 0.00 in (1998) |
| August 18 | 97.0°F (2020) | 54.0°F (2000) | 0.00 in (1998) |
| August 19 | 91.0°F (2020) | 54.0°F (1999) | 0.00 in (1998) |
| August 20 | 93.0°F (2023) | 52.0°F (2000) | 0.00 in (1998) |
| August 21 | 91.0°F (2009) | 52.0°F (1998) | 0.00 in (1998) |
| August 22 | 96.1°F (1999) | 54.0°F (2005) | 0.00 in (1998) |
| August 23 | 95.0°F (2010) | 53.1°F (1998) | 0.00 in (1998) |
| August 24 | 102.0°F (2010) | 53.1°F (2009) | 0.00 in (1998) |
| August 25 | 100.0°F (2010) | 53.1°F (2009) | 0.00 in (1998) |
| August 26 | 95.0°F (2017) | 54.0°F (2009) | 0.00 in (1998) |
| August 27 | 97.0°F (2017) | 55.0°F (2000) | 0.00 in (1998) |
| August 28 | 100.9°F (2008) | 53.1°F (2010) | 0.00 in (1998) |
| August 29 | 100.0°F (2009) | 53.1°F (2010) | 0.00 in (1998) |
| August 30 | 95.0°F (2023) | 53.1°F (2010) | 0.01 in (2000) |
| August 31 | 95.0°F (2005) | 53.1°F (1999) | 0.00 in (1998) |