August weather in San Joaquin, CA
The average temperature in San Joaquin in August is 79.9°F (62.0°F–97.8°F). Average precipitation: inches.
August is a summer month in San Joaquin, and is warmer than the annual average of 64.3°F. Daily temperatures swing about 35.8°F between overnight low and afternoon high. Daylight averages about 13h 24m. For travel, August is hot.
Avg High
97.8°F
Avg Low
62.0°F
Precipitation
in
Daylight
13h 24m
August records in San Joaquin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 111.0°F (2014) | 48.9°F (1944) | 0.00 in (1944) |
| August 2 | 111.0°F (2014) | 46.0°F (1956) | 0.00 in (1944) |
| August 3 | 111.0°F (1955) | 50.0°F (1944) | 0.00 in (1944) |
| August 4 | 108.0°F (2024) | 50.0°F (1956) | 0.00 in (1944) |
| August 5 | 109.0°F (2021) | 48.0°F (1950) | 0.00 in (1944) |
| August 6 | 109.0°F (2024) | 50.0°F (1950) | 0.00 in (1944) |
| August 7 | 113.0°F (2024) | 52.0°F (1950) | 0.00 in (1944) |
| August 8 | 107.1°F (1959) | 52.0°F (1944) | 0.00 in (1944) |
| August 9 | 108.0°F (1966) | 51.1°F (1993) | 0.00 in (1944) |
| August 10 | 109.9°F (2012) | 51.1°F (1949) | 0.00 in (1944) |
| August 11 | 111.9°F (2012) | 50.0°F (1987) | 0.00 in (1944) |
| August 12 | 109.0°F (1996) | 41.0°F (2018) | 0.00 in (1944) |
| August 13 | 111.0°F (2012) | 48.9°F (1987) | 0.00 in (1944) |
| August 14 | 109.9°F (2016) | 42.1°F (2018) | 0.00 in (1944) |
| August 15 | 107.1°F (1951) | 50.0°F (1987) | 0.10 in (1976) |
| August 16 | 108.0°F (2015) | 50.0°F (1948) | 0.00 in (1944) |
| August 17 | 109.9°F (2015) | 46.9°F (2018) | 0.00 in (1944) |
| August 18 | 108.0°F (1951) | 52.0°F (2018) | 0.00 in (1944) |
| August 19 | 109.0°F (2013) | 52.0°F (1955) | 0.22 in (1975) |
| August 20 | 109.9°F (1950) | 42.1°F (2018) | 0.29 in (2023) |
| August 21 | 109.9°F (1950) | 51.1°F (2018) | 0.00 in (1944) |
| August 22 | 107.1°F (1945) | 43.0°F (2018) | 0.00 in (1944) |
| August 23 | 109.9°F (1991) | 48.0°F (1944) | 0.00 in (1944) |
| August 24 | 107.1°F (2010) | 48.0°F (1944) | 0.00 in (1944) |
| August 25 | 113.0°F (2010) | 42.1°F (2018) | 0.06 in (2003) |
| August 26 | 106.0°F (2017) | 48.9°F (1945) | 0.00 in (1944) |
| August 27 | 109.9°F (1944) | 46.0°F (2018) | 0.00 in (1944) |
| August 28 | 111.9°F (2017) | 46.9°F (2018) | 0.00 in (1944) |
| August 29 | 113.0°F (2017) | 46.9°F (2018) | 0.00 in (1944) |
| August 30 | 109.9°F (2021) | 44.1°F (2018) | 0.17 in (1983) |
| August 31 | 108.0°F (2017) | 46.0°F (1954) | 0.15 in (1964) |