August weather in American Canyon, CA
The average temperature in American Canyon in August is 67.2°F (54.4°F–80.0°F). Average precipitation: 0.02 inches.
August is a summer month in American Canyon, and is warmer than the annual average of 57.7°F. Daily temperatures swing about 25.6°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 29m. For travel, August is one of the best months of the year to visit.
Avg High
80.0°F
Avg Low
54.4°F
Precipitation
0.02 in
Daylight
13h 29m
August records in American Canyon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 91.9°F (2000) | 48.0°F (2008) | 0.01 in (2022) |
| August 2 | 95.0°F (1998) | 45.0°F (2013) | 0.00 in (1998) |
| August 3 | 100.9°F (1998) | 50.0°F (2007) | 0.00 in (1998) |
| August 4 | 95.0°F (1998) | 46.0°F (2007) | 0.00 in (1998) |
| August 5 | 86.0°F (2005) | 46.0°F (2002) | 0.07 in (2014) |
| August 6 | 91.0°F (2023) | 44.1°F (2002) | 0.01 in (2015) |
| August 7 | 90.0°F (2002) | 46.0°F (2003) | 0.00 in (1998) |
| August 8 | 97.0°F (2002) | 45.0°F (2002) | 0.00 in (1998) |
| August 9 | 100.0°F (2002) | 48.9°F (2009) | 0.00 in (1998) |
| August 10 | 93.0°F (2002) | 46.9°F (2003) | 0.00 in (1998) |
| August 11 | 91.9°F (1998) | 45.0°F (2003) | 0.00 in (1998) |
| August 12 | 91.0°F (1998) | 46.9°F (2003) | 0.00 in (1998) |
| August 13 | 93.9°F (2020) | 43.0°F (2007) | 0.00 in (1998) |
| August 14 | 106.0°F (2020) | 46.9°F (2001) | 0.00 in (1998) |
| August 15 | 102.0°F (2020) | 46.9°F (2000) | 0.00 in (1998) |
| August 16 | 100.9°F (2015) | 46.0°F (2014) | 0.05 in (2020) |
| August 17 | 93.9°F (2020) | 45.0°F (2007) | 0.00 in (1998) |
| August 18 | 93.9°F (2020) | 46.0°F (2007) | 0.00 in (1998) |
| August 19 | 84.0°F (2013) | 48.0°F (1999) | 0.00 in (1998) |
| August 20 | 95.0°F (2023) | 46.0°F (2000) | 0.00 in (1998) |
| August 21 | 93.0°F (2020) | 46.9°F (2001) | 0.30 in (2003) |
| August 22 | 97.0°F (1999) | 45.0°F (2006) | 0.00 in (1998) |
| August 23 | 96.1°F (2010) | 45.0°F (2005) | 0.00 in (1998) |
| August 24 | 104.0°F (2010) | 46.9°F (2005) | 0.00 in (1998) |
| August 25 | 98.1°F (1999) | 46.9°F (2000) | 0.00 in (1998) |
| August 26 | 98.1°F (2017) | 45.0°F (2005) | 0.00 in (1998) |
| August 27 | 98.1°F (2004) | 44.1°F (2005) | 0.01 in (1998) |
| August 28 | 100.0°F (2008) | 45.0°F (2005) | 0.00 in (1998) |
| August 29 | 99.0°F (2007) | 46.0°F (2005) | 0.00 in (1998) |
| August 30 | 96.1°F (2023) | 44.1°F (2010) | 0.00 in (1998) |
| August 31 | 97.0°F (2017) | 42.1°F (2008) | 0.00 in (1998) |