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Weather & Climate in Port St. Lucie, FL

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Port St. Lucie has a warm climate with an average annual temperature of 76°F (24°C). Winters average 67°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 333 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 55.1 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 26 feet.

Temperature

67°F Jan (20°C) 83°F Jul (28°C)
Annual Average75.5°F
40% above US avg
January Average67°F (20°C)
July Average83°F (28°C)
Sunny Days333 days/yr

Geography

Elevation26 ft (8 m)
Area115.3 sq mi (298.5 km²)
Population Density1,849/sq mi
Coordinates27.2806°N, 80.3883°W
TimezoneAmerica/New_York
CountySt. Lucie County County
Nearest AirportTreasure Coast International (FPR)
15 miles away

Precipitation & Snow

Annual Rainfall 55.1"
45% above US avg
Snowfall 0.0"
Wettest Month (Sep) 7.24"
Driest Month (Apr) 2.20"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score96.1 / 100
Social Vulnerability51.2 / 100
Community Resilience49.6 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very High
Earthquake Very Low
Wildfire Relatively Low
Flood Relatively Moderate
Hail Very Low
Strong Wind Relatively High
Heat Wave Relatively Moderate
Winter Weather No Rating
Lightning Very High
Drought Relatively Moderate
Cold Wave Relatively Low
Landslide Very Low
Coastal Flood Relatively Moderate
Source: FEMA National Risk Index v1.20 (Dec 2025)

Hurricane History

19 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.

Year Name Category Max Wind Closest
2024 Milton Category 3 121 mph 128 km
2022 Ian Category 5 161 mph 84 km
2022 Nicole Category 1 75 mph 37 km
2021 Elsa Category 1 75 mph 289 km
2019 Dorian Category 5 178 mph 176 km
2017 Irma Category 4 132 mph 141 km
2016 Matthew Category 4 138 mph 82 km
2005 Wilma Category 3 127 mph 58 km
2005 Katrina Category 2 104 mph 140 km
2005 Ophelia Category 1 75 mph 182 km
2004 Charley Category 4 150 mph 150 km
2004 Jeanne Category 3 121 mph 21 km
2004 Frances Category 2 109 mph 3 km
1999 Floyd Category 4 132 mph 212 km
1999 Dennis Category 2 104 mph 288 km
1999 Irene Category 1 81 mph 31 km
1995 Erin Category 1 86 mph 16 km
1992 Andrew Category 5 167 mph 198 km
1987 Floyd Category 1 75 mph 243 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

426 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 13 fatalities, 268 injuries.

Date Rating Distance Path Fatalities
Oct 9, 2024 EF3 81 km 32.9 mi 0
Oct 9, 2024 EF3 11 km 21.2 mi 6
Oct 9, 2024 EF3 78 km 15.5 mi 0
Jan 24, 1979 EF3 39 km 9.6 mi 0
Oct 19, 1958 EF3 58 km 20.2 mi 1
Apr 15, 1958 EF3 30 km 14.8 mi 0
Sep 18, 1954 EF3 17 km 0.1 mi 2
Oct 9, 2024 EF2 30 km 5.7 mi 0
Oct 9, 2024 EF2 49 km 8.5 mi 0
Oct 9, 2024 EF2 66 km 65.5 mi 0
Oct 9, 2024 EF2 94 km 2.9 mi 0
Oct 9, 2024 EF2 58 km 2.6 mi 0
Apr 29, 2023 EF2 59 km 2.6 mi 0
Apr 6, 2017 EF2 55 km 4.1 mi 0
Aug 18, 2008 EF2 75 km 2.7 mi 0
Oct 24, 2005 EF2 85 km 0.3 mi 0
Nov 15, 1994 EF2 68 km 2.5 mi 1
Aug 8, 1983 EF2 71 km 0.3 mi 0
Mar 21, 1983 EF2 44 km 5.0 mi 0
Mar 7, 1983 EF2 96 km 5.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (49,716 acres, 1989).

Year Name Acres Burned Distance
1989 UNNAMED 49,716 80 km
2007 MOONSHINE BAY 38,664 79 km
2008 MYAKKA CUT 36,877 79 km
2007 FROG LIGHT 20,174 61 km
1984 UNNAMED 17,967 98 km
1990 UNNAMED 16,253 81 km
2021 KISSIMMEE BEND NORTH 13,782 79 km
2006 UNNAMED 12,050 94 km
1992 UNNAMED 11,488 79 km
2008 UNNAMED 11,294 56 km
1994 UNNAMED 11,268 96 km
2008 UNNAMED 9,670 50 km
1996 UNNAMED 9,427 75 km
2024 APQ RECREATION AREA RX 0506 8,901 77 km
2017 ECHO SPRINGS 8,640 91 km
2008 LOXBURN12 7,929 91 km
2007 LOXBURN1 7,264 96 km
2021 AREA 11 7,140 91 km
2011 TRAIL 3 6,854 40 km
2011 UNNAMED 6,616 70 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 67°F (20°C) 2.5 in
February 64°F (18°C) 2.8 in Coldest
March 68°F (20°C) 3.4 in
April 72°F (22°C) 2.2 in Driest
May 77°F (25°C) 4.8 in
June 80°F (27°C) 6.5 in
July 83°F (28°C) 6.4 in Warmest
August 82°F (28°C) 6.3 in
September 81°F (27°C) 7.2 in Wettest
October 77°F (25°C) 5.2 in
November 71°F (22°C) 3.2 in
December 66°F (19°C) 2.4 in

Port St. Lucie has a seasonal temperature swing of 18°F / from 64°F in February to 83°F in July. Total annual precipitation is 52.9 inches, with September being the wettest month (7.2") and April the driest (2.2").

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