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 Average
75.5°F
40% above US avg
January Average
67°F (20°C)
July Average
83°F (28°C)
Sunny Days
333 days/yr
Geography
Elevation
26 ft (8 m)
Area
115.3 sq mi (298.5 km²)
Population Density
1,849/sq mi
Coordinates
27.2806°N, 80.3883°W
Timezone
America/New_York
County
St. Lucie County County
Nearest Airport
Treasure Coast International (FPR) 15 miles away
Precipitation & Snow
Annual Rainfall55.1"
45% above US avg
Snowfall0.0"
Wettest Month (Sep)7.24"
Driest Month (Apr)2.20"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
96.1 / 100
Social Vulnerability
51.2 / 100
Community Resilience
49.6 / 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").