August weather in Port St. Lucie, FL
The average temperature in Port St. Lucie in August is °F (°F–°F). Average precipitation: 8.14 inches.
August is a summer month in Port St. Lucie, and is cooler than the annual average of 0°F. Daylight averages about 12h 58m.
Avg High
°F
Avg Low
°F
Precipitation
8.14 in
Daylight
12h 58m
August records in Port St. Lucie
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 91.9°F (2002) | 66.9°F (2014) | 2.78 in (2023) |
| August 2 | 93.9°F (1999) | 64.0°F (2002) | 2.73 in (2007) |
| August 3 | 96.1°F (1999) | 68.0°F (2000) | 1.86 in (2001) |
| August 4 | 91.9°F (2005) | 68.0°F (2003) | 1.90 in (1998) |
| August 5 | 93.9°F (2006) | 66.0°F (2002) | 2.03 in (2004) |
| August 6 | 91.9°F (2005) | 68.0°F (2001) | 2.13 in (2001) |
| August 7 | 91.9°F (2002) | 68.0°F (2000) | 0.62 in (1998) |
| August 8 | 91.9°F (2003) | 66.9°F (2002) | 1.77 in (2005) |
| August 9 | 93.0°F (2016) | 66.9°F (2006) | 1.51 in (2016) |
| August 10 | 93.9°F (2019) | 68.0°F (2000) | 0.25 in (2004) |
| August 11 | 91.9°F (2019) | 68.0°F (2000) | 1.56 in (2017) |
| August 12 | 93.9°F (2006) | 66.9°F (2002) | 2.30 in (2002) |
| August 13 | 93.9°F (2006) | 64.9°F (2003) | 1.17 in (2008) |
| August 14 | 93.0°F (2015) | 68.0°F (2000) | 1.50 in (2015) |
| August 15 | 93.0°F (2017) | 68.0°F (2000) | 0.89 in (2003) |
| August 16 | 93.0°F (2017) | 66.0°F (2000) | 1.05 in (2019) |
| August 17 | 91.0°F (1998) | 63.0°F (2000) | 1.99 in (2004) |
| August 18 | 97.0°F (2019) | 64.0°F (2000) | 1.56 in (2023) |
| August 19 | 93.0°F (2014) | 66.0°F (2003) | 2.00 in (2008) |
| August 20 | 93.9°F (2014) | 66.0°F (2003) | 2.68 in (2003) |
| August 21 | 91.9°F (2005) | 64.9°F (2000) | 2.00 in (1998) |
| August 22 | 91.9°F (2001) | 66.9°F (2001) | 2.12 in (2001) |
| August 23 | 93.9°F (2022) | 66.9°F (2004) | 1.63 in (1999) |
| August 24 | 91.9°F (2015) | 66.9°F (2001) | 1.46 in (2004) |
| August 25 | 93.9°F (2022) | 68.0°F (2003) | 1.17 in (2006) |
| August 26 | 93.9°F (2022) | 64.9°F (2002) | 0.93 in (2021) |
| August 27 | 93.0°F (2015) | 64.9°F (2001) | 0.65 in (2004) |
| August 28 | 91.9°F (2015) | 66.0°F (2000) | 0.59 in (2019) |
| August 29 | 91.9°F (2022) | 66.9°F (2001) | 1.26 in (2005) |
| August 30 | 93.0°F (2005) | 66.9°F (2002) | 0.50 in (2019) |
| August 31 | 95.0°F (1999) | 70.0°F (1998) | 0.80 in (2006) |