August weather in Brea, CA
The average temperature in Brea in August is 77.4°F (66.0°F–88.8°F). Average precipitation: 0.01 inches.
August is a summer month in Brea, and is warmer than the annual average of 67.7°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 16m. For travel, August is hot.
Avg High
88.8°F
Avg Low
66.0°F
Precipitation
0.01 in
Daylight
13h 16m
August records in Brea
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (2017) | 59.0°F (1997) | 0.00 in (1989) |
| August 2 | 100.0°F (2021) | 59.0°F (1989) | 0.00 in (1989) |
| August 3 | 98.1°F (2021) | 59.0°F (1998) | 0.07 in (2014) |
| August 4 | 97.0°F (2009) | 59.0°F (2002) | 0.00 in (1989) |
| August 5 | 99.0°F (1997) | 57.9°F (2001) | 0.00 in (1989) |
| August 6 | 100.0°F (1997) | 57.0°F (2002) | 0.00 in (1989) |
| August 7 | 98.1°F (2022) | 57.0°F (1991) | 0.00 in (1989) |
| August 8 | 98.1°F (2018) | 55.9°F (1999) | 0.00 in (1989) |
| August 9 | 100.0°F (2018) | 57.0°F (1999) | 0.00 in (1989) |
| August 10 | 99.0°F (2003) | 60.1°F (2010) | 0.00 in (1989) |
| August 11 | 99.0°F (2022) | 59.0°F (2020) | 0.00 in (1989) |
| August 12 | 102.0°F (1994) | 57.0°F (2010) | 0.00 in (1989) |
| August 13 | 100.9°F (1994) | 59.0°F (1997) | 0.00 in (1989) |
| August 14 | 100.0°F (2020) | 57.9°F (2002) | 0.00 in (1989) |
| August 15 | 102.0°F (2016) | 57.9°F (2010) | 0.00 in (1989) |
| August 16 | 100.9°F (2015) | 55.9°F (1999) | 0.00 in (1989) |
| August 17 | 100.9°F (1992) | 55.9°F (1999) | 0.00 in (1989) |
| August 18 | 105.1°F (2020) | 60.1°F (1995) | 0.00 in (1989) |
| August 19 | 102.0°F (2020) | 57.9°F (1999) | 0.00 in (1989) |
| August 20 | 97.0°F (2020) | 59.0°F (2000) | 1.26 in (2023) |
| August 21 | 95.0°F (2025) | 57.9°F (1993) | 0.84 in (2023) |
| August 22 | 97.0°F (2020) | 57.9°F (1989) | 0.00 in (1989) |
| August 23 | 100.0°F (2025) | 53.1°F (2002) | 0.00 in (1989) |
| August 24 | 98.1°F (2010) | 53.1°F (2002) | 0.00 in (1989) |
| August 25 | 99.0°F (2005) | 54.0°F (2002) | 0.00 in (1989) |
| August 26 | 100.9°F (2009) | 55.9°F (2002) | 0.00 in (1989) |
| August 27 | 104.0°F (2009) | 57.9°F (1990) | 0.00 in (1989) |
| August 28 | 100.9°F (2015) | 57.0°F (1991) | 0.11 in (2006) |
| August 29 | 104.0°F (2009) | 57.9°F (1991) | 0.00 in (1989) |
| August 30 | 102.0°F (1998) | 54.0°F (2002) | 0.00 in (1989) |
| August 31 | 106.0°F (2022) | 52.0°F (2002) | 0.00 in (1989) |