August weather in San Juan Bautista, CA
The average temperature in San Juan Bautista in August is 67.9°F (54.4°F–81.4°F). Average precipitation: 0.01 inches.
August is a summer month in San Juan Bautista, and is warmer than the annual average of 58.6°F. Daily temperatures swing about 27°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 25m. For travel, August is a comfortable month to visit.
Avg High
81.4°F
Avg Low
54.4°F
Precipitation
0.01 in
Daylight
13h 25m
August records in San Juan Bautista
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 107.1°F (1993) | 48.0°F (1982) | 0.04 in (2022) |
| August 2 | 98.1°F (1993) | 45.0°F (1982) | 0.00 in (1948) |
| August 3 | 109.9°F (1998) | 46.0°F (1981) | 0.00 in (1948) |
| August 4 | 99.0°F (1998) | 48.0°F (1981) | 0.00 in (1948) |
| August 5 | 100.9°F (1997) | 48.0°F (1984) | 0.00 in (1948) |
| August 6 | 100.0°F (1983) | 25.0°F (2016) | 0.00 in (1948) |
| August 7 | 99.0°F (1984) | 34.0°F (2016) | 0.08 in (1989) |
| August 8 | 99.0°F (2002) | 42.1°F (2016) | 0.00 in (1948) |
| August 9 | 104.0°F (2002) | 42.1°F (2016) | 0.00 in (1948) |
| August 10 | 98.1°F (2002) | 48.0°F (1976) | 0.00 in (1948) |
| August 11 | 100.0°F (1998) | 48.9°F (1989) | 0.00 in (1948) |
| August 12 | 96.1°F (1998) | 48.0°F (1985) | 0.00 in (1948) |
| August 13 | 97.0°F (1996) | 45.0°F (1989) | 0.05 in (1991) |
| August 14 | 100.0°F (1994) | 48.0°F (1989) | 0.00 in (1948) |
| August 15 | 100.0°F (1983) | 46.9°F (1982) | 0.00 in (1948) |
| August 16 | 107.1°F (2020) | 46.0°F (1996) | 0.00 in (1948) |
| August 17 | 100.9°F (2015) | 46.9°F (2006) | 0.00 in (1948) |
| August 18 | 93.9°F (1984) | 46.0°F (1989) | 0.30 in (1976) |
| August 19 | 98.1°F (1995) | 48.0°F (2010) | 0.88 in (1976) |
| August 20 | 96.1°F (2020) | 17.1°F (2016) | 0.10 in (1976) |
| August 21 | 96.1°F (2025) | 48.0°F (1981) | 0.04 in (1976) |
| August 22 | 96.1°F (1999) | 46.0°F (1992) | 0.11 in (1976) |
| August 23 | 97.0°F (2010) | 30.9°F (2021) | 0.00 in (1948) |
| August 24 | 107.1°F (2010) | 30.9°F (2021) | 0.05 in (2009) |
| August 25 | 104.0°F (1988) | 34.0°F (2021) | 0.00 in (1948) |
| August 26 | 95.0°F (1985) | 48.0°F (1991) | 0.01 in (2003) |
| August 27 | 100.0°F (1993) | 46.9°F (2009) | 0.00 in (1948) |
| August 28 | 100.0°F (2009) | 46.9°F (1980) | 0.00 in (1948) |
| August 29 | 102.9°F (2009) | 48.0°F (2010) | 0.00 in (1948) |
| August 30 | 102.9°F (1996) | 46.9°F (2010) | 0.00 in (1948) |
| August 31 | 100.0°F (2017) | 46.9°F (1989) | 0.00 in (1948) |