May weather in Port St. Lucie, FL
The average temperature in Port St. Lucie in May is °F (°F–°F). Average precipitation: 4.71 inches.
May is a spring month in Port St. Lucie, and is cooler than the annual average of 0°F. Daylight averages about 13h 21m.
Avg High
°F
Avg Low
°F
Precipitation
4.71 in
Daylight
13h 21m
May records in Port St. Lucie
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2014) | 52.0°F (2000) | 1.00 in (1998) |
| May 2 | 89.1°F (2014) | 55.0°F (2006) | 0.83 in (2013) |
| May 3 | 91.0°F (2017) | 53.1°F (2006) | 0.83 in (2019) |
| May 4 | 87.1°F (2019) | 50.0°F (2000) | 1.11 in (2001) |
| May 5 | 91.0°F (2016) | 52.0°F (1999) | 2.52 in (2005) |
| May 6 | 89.1°F (2006) | 52.0°F (2004) | 0.25 in (2015) |
| May 7 | 89.1°F (2006) | 52.0°F (2014) | 1.00 in (2001) |
| May 8 | 89.1°F (2003) | 52.0°F (2013) | 0.08 in (2019) |
| May 9 | 90.0°F (2006) | 52.0°F (2016) | 0.66 in (2008) |
| May 10 | 89.1°F (2016) | 50.0°F (2004) | 1.10 in (1999) |
| May 11 | 90.0°F (2008) | 54.0°F (2001) | 0.00 in (1998) |
| May 12 | 91.0°F (2003) | 60.1°F (1999) | 0.54 in (2006) |
| May 13 | 93.9°F (2003) | 55.9°F (2008) | 1.84 in (2025) |
| May 14 | 91.0°F (2017) | 50.0°F (2001) | 2.55 in (2019) |
| May 15 | 91.0°F (2002) | 59.0°F (2013) | 1.83 in (2018) |
| May 16 | 90.0°F (2016) | 57.9°F (2013) | 0.63 in (2018) |
| May 17 | 87.1°F (2008) | 57.0°F (2014) | 1.20 in (1999) |
| May 18 | 90.0°F (2001) | 55.0°F (2006) | 7.90 in (2016) |
| May 19 | 91.0°F (2003) | 55.9°F (2006) | 0.91 in (2023) |
| May 20 | 90.0°F (2002) | 55.0°F (2006) | 2.46 in (2009) |
| May 21 | 88.0°F (2001) | 50.0°F (2014) | 1.00 in (2009) |
| May 22 | 91.9°F (2008) | 54.0°F (2014) | 3.05 in (2018) |
| May 23 | 91.0°F (2016) | 55.9°F (2014) | 1.50 in (2008) |
| May 24 | 93.0°F (2017) | 60.1°F (2004) | 1.32 in (2023) |
| May 25 | 93.0°F (2017) | 55.9°F (2004) | 3.21 in (2023) |
| May 26 | 91.0°F (1998) | 57.0°F (2004) | 1.05 in (2017) |
| May 27 | 91.9°F (1998) | 57.9°F (1999) | 0.84 in (2008) |
| May 28 | 90.0°F (2004) | 57.9°F (2002) | 1.45 in (2009) |
| May 29 | 93.9°F (2017) | 63.0°F (2001) | 3.13 in (2001) |
| May 30 | 93.9°F (2000) | 60.1°F (2003) | 0.10 in (2014) |
| May 31 | 91.9°F (2005) | 64.9°F (2002) | 0.71 in (2013) |