August weather in Temecula, CA
The average temperature in Temecula in August is 75.5°F (61.8°F–89.3°F). Average precipitation: 0.22 inches.
August is a summer month in Temecula, and is warmer than the annual average of 65.1°F. Daily temperatures swing about 27.5°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 13h 15m. For travel, August is hot.
Avg High
89.3°F
Avg Low
61.8°F
Precipitation
0.22 in
Daylight
13h 15m
August records in Temecula
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 98.1°F (2017) | 54.1°F (2010) | 0.17 in (2017) |
| August 2 | 97.9°F (2021) | 53.6°F (2010) | 0.26 in (2014) |
| August 3 | 98.4°F (2009) | 55.0°F (2025) | 0.30 in (2014) |
| August 4 | 99.3°F (2024) | 53.8°F (2010) | 0.00 in (2008) |
| August 5 | 96.4°F (2018) | 51.1°F (2011) | 0.01 in (2013) |
| August 6 | 100.2°F (2018) | 54.5°F (2010) | 0.00 in (2008) |
| August 7 | 101.8°F (2025) | 54.9°F (2010) | 0.00 in (2008) |
| August 8 | 97.2°F (2018) | 54.3°F (2013) | 0.00 in (2008) |
| August 9 | 101.5°F (2018) | 51.8°F (2010) | 0.02 in (2009) |
| August 10 | 101.7°F (2012) | 52.3°F (2010) | 0.00 in (2008) |
| August 11 | 97.2°F (2022) | 53.1°F (2013) | 0.19 in (2012) |
| August 12 | 97.3°F (2012) | 51.3°F (2010) | 0.01 in (2009) |
| August 13 | 97.7°F (2012) | 51.4°F (2010) | 0.01 in (2009) |
| August 14 | 100.2°F (2020) | 50.5°F (2010) | 0.00 in (2008) |
| August 15 | 102.6°F (2015) | 52.7°F (2010) | 0.00 in (2008) |
| August 16 | 101.5°F (2015) | 54.5°F (2011) | 0.01 in (2019) |
| August 17 | 99.1°F (2012) | 56.1°F (2009) | 0.01 in (2009) |
| August 18 | 108.1°F (2020) | 55.4°F (2009) | 0.01 in (2009) |
| August 19 | 97.5°F (2020) | 56.5°F (2011) | 0.02 in (2008) |
| August 20 | 100.2°F (2024) | 55.4°F (2008) | 2.99 in (2023) |
| August 21 | 96.6°F (2024) | 53.1°F (2011) | 0.02 in (2023) |
| August 22 | 98.4°F (2025) | 55.6°F (2011) | 0.01 in (2008) |
| August 23 | 103.3°F (2025) | 58.6°F (2008) | 0.01 in (2025) |
| August 24 | 99.9°F (2010) | 57.6°F (2014) | 0.00 in (2008) |
| August 25 | 99.7°F (2010) | 56.7°F (2024) | 0.00 in (2008) |
| August 26 | 103.6°F (2009) | 58.3°F (2017) | 0.00 in (2008) |
| August 27 | 108.1°F (2009) | 59.0°F (2024) | 0.00 in (2008) |
| August 28 | 108.3°F (2017) | 57.4°F (2010) | 0.02 in (2025) |
| August 29 | 105.8°F (2009) | 57.0°F (2010) | 0.00 in (2008) |
| August 30 | 102.9°F (2009) | 57.0°F (2010) | 0.00 in (2008) |
| August 31 | 106.3°F (2017) | 56.1°F (2010) | 0.07 in (2021) |