Home

Port St. Lucie, FL Weather


Port St. Lucie, FL climate is hot during summer when temperatures tend to be in the 80's and mild during winter when temperatures tend to be in the 60's.

The warmest month of the year is August with an average maximum temperature of 89.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 54.70 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 15 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.

The annual average precipitation at Port St. Lucie is 59.53 Inches. Summer months tend to be wetter than winter months. The wettest month of the year is September with an average rainfall of 8.09 Inches.

Normal Climate

Normal Temperatures

(STUART 1 S Weather station, 10.80 miles from Port St. Lucie)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 74.2 74.7 77.6 80.7 84.8 88.1 89.5 89.6 88.5 84.6 79.7 75.4 82.3
Mean °F 64.5 65.0 68.6 72.3 76.8 80.4 81.8 82.2 81.3 77.1 71.6 66.6 74.0
Min °F 54.7 55.3 59.6 63.9 68.8 72.7 74.0 74.7 74.1 69.6 63.5 57.7 65.7

Normal Precipitation

(STUART 1 S Weather station, 10.80 miles from Port St. Lucie)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 3.02 3.24 4.06 2.96 5.30 6.82 6.33 6.41 8.09 6.29 4.23 2.78 59.53