Temperature, precipitation, air quality, natural hazards, and monthly weather data.
La Plena comunidad has a warm climate with an average annual temperature of 78°F (26°C). Winters average 74°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 351 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 50.0 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 21 / among the cleanest air in the country. The city sits at an elevation of 484 feet.
Temperature
74°F Jan (24°C)81°F Jul (27°C)
Annual Average
78.3°F
45% above US avg
January Average
74°F (24°C)
July Average
81°F (27°C)
Sunny Days
351 days/yr
Geography
Elevation
484 ft (148 m)
Area
0.4 sq mi (1.0 km²)
Population Density
1,263/sq mi
Coordinates
18.0412°N, 66.2063°W
Timezone
America/Puerto_Rico
County
Cayey Municipio County
Nearest Airport
Luis Munoz Marin International (SJU) 31 miles away
Precipitation & Snow
Annual Rainfall50.0"
32% above US avg
Snowfall0.0"
Wettest Month (Oct)8.70"
Driest Month (Feb)2.20"
Air Quality
AQI Median
21.0
Rating
Good
Earthquake History
19,176 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.4.
Jan 13, 2014
61 km N of Hatillo, Puerto Rico
M6.4
128 km
20 km
Jan 7, 2020
4 km SSE of Indios, Puerto Rico
M6.4
65 km
6 km
Jan 11, 2020
5 km SE of Maria Antonia, Puerto Rico
M5.9
69 km
5 km
Jan 6, 2020
14 km S of Indios, Puerto Rico
M5.8
68 km
6 km
May 16, 2010
4 km E of Moca, Puerto Rico
M5.8
100 km
113 km
Jan 7, 2020
11 km S of Tallaboa, Puerto Rico
M5.6
57 km
10 km
Jan 7, 2020
0 km NW of Magas Arriba, Puerto Rico
M5.6
60 km
9 km
Dec 11, 2000
65 km N of Isabela, Puerto Rico
M5.5
150 km
53 km
Feb 4, 2008
Puerto Rico region
M5.5
132 km
15 km
May 2, 2020
6 km S of Tallaboa, Puerto Rico
M5.4
56 km
9 km
Jul 3, 2020
9 km SSE of La Parguera, Puerto Rico
M5.3
86 km
3 km
Aug 1, 1993
68 km SSE of Emajagua, Puerto Rico
M5.3
88 km
25 km
Nov 23, 1992
28 km NNW of San Antonio, Puerto Rico
M5.3
128 km
31 km
Jan 15, 2020
Puerto Rico region
M5.2
87 km
5 km
Jan 10, 2020
4 km S of Maria Antonia, Puerto Rico
M5.2
73 km
9 km
Jan 11, 2020
19 km S of Indios, Puerto Rico
M5.2
67 km
10 km
Mar 12, 2009
66 km N of Brenas, Puerto Rico
M5.1
116 km
15 km
Aug 14, 2009
92 km N of Suárez, Puerto Rico
M5.1
145 km
47 km
Jan 7, 2020
14 km S of Tallaboa, Puerto Rico
M5.0
56 km
10 km
Jan 7, 2020
7 km SE of Tallaboa, Puerto Rico
M5.0
51 km
10 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
25 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 5.
Year
Name
Category
Max Wind
Closest
2025
Erin
Category 5
161 mph
252 km
2024
Ernesto
Category 1
75 mph
232 km
2022
Fiona
Category 1
92 mph
78 km
2019
Dorian
Category 1
86 mph
121 km
2017
Maria
Category 5
173 mph
18 km
2017
Irma
Category 5
178 mph
128 km
2014
Gonzalo
Category 3
109 mph
250 km
2011
Irene
Category 1
92 mph
37 km
2010
Earl
Category 4
132 mph
198 km
2008
Omar
Category 4
132 mph
183 km
2004
Frances
Category 4
144 mph
268 km
2004
Jeanne
Category 1
81 mph
199 km
2000
Debby
Category 1
75 mph
107 km
1999
Lenny
Category 4
155 mph
157 km
1999
Jose
Category 1
75 mph
255 km
1998
Georges
Category 3
121 mph
20 km
1996
Bertha
Category 3
115 mph
130 km
1996
Hortense
Category 1
81 mph
58 km
1995
Luis
Category 4
144 mph
250 km
1995
Marilyn
Category 3
115 mph
105 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
17 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF1. Total: 1 injury.
Date
Rating
Distance
Path
Fatalities
May 1, 2022
EF1
74 km
0.4 mi
0
Aug 30, 1974
EF1
32 km
2.0 mi
0
May 5, 1969
EF1
31 km
1.5 mi
0
Mar 16, 2023
EF0
38 km
0.3 mi
0
Sep 30, 2019
EF0
41 km
0.1 mi
0
Jul 27, 2019
EF0
86 km
0.5 mi
0
Mar 26, 2017
EF0
42 km
0.4 mi
0
Nov 18, 2016
EF0
52 km
0.6 mi
0
Sep 13, 2012
EF0
76 km
0.0 mi
0
Aug 25, 2000
EF0
13 km
1.0 mi
0
Feb 23, 2000
EF0
41 km
0.2 mi
0
Sep 8, 1999
EF0
43 km
0.1 mi
0
Sep 6, 1999
EF0
97 km
0.2 mi
0
Jul 20, 1999
EF0
97 km
0.5 mi
0
May 1, 1995
EF0
42 km
—
0
Oct 7, 1969
EF0
97 km
1.0 mi
0
Jul 28, 1959
EF0
63 km
0.2 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
5 tsunamis recorded within 500 km.
Highest wave on record: 15.2 m (50 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1867
VIRGIN ISLANDS
Earthquake
15.2 m
24
129 km
1918
PUERTO RICO: MONA PASSAGE
Eruption + Earthquake
6.1 m
144
127 km
1868
VIRGIN ISLANDS
Earthquake
1.5 m
—
117 km
2020
PUERTO RICO
Earthquake
0.1 m
4
65 km
1918
PUERTO RICO
Earthquake
—
—
115 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
7 wildfires (100+ acres) recorded within 100 km.
Largest: CAMPAMENTO SANTIAGO (3,927 acres, 2005).
Year
Name
Acres Burned
Distance
2005
CAMPAMENTO SANTIAGO
3,927
7 km
2007
UNNAMED
3,896
7 km
2005
UNNAMED
1,888
4 km
2005
PISTA DE SALINAS CARR 3
1,137
12 km
2005
UNNAMED
725
12 km
2013
PUERTO NEGRO
631
91 km
2007
CARR 304
606
88 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
74°F (24°C)
2.8 in
February
71°F (22°C)
2.2 in
Coldest, Driest
March
72°F (22°C)
2.4 in
April
73°F (23°C)
4.1 in
May
75°F (24°C)
6.3 in
June
77°F (25°C)
5.1 in
July
81°F (27°C)
5.2 in
Warmest
August
77°F (25°C)
7.4 in
September
77°F (25°C)
7.9 in
October
76°F (24°C)
8.7 in
Wettest
November
75°F (24°C)
5.7 in
December
72°F (22°C)
3.4 in
La Plena comunidad has a seasonal temperature swing of 10°F / from 71°F in February to 81°F in July. Total annual precipitation is 61.0 inches, with October being the wettest month (8.7") and February the driest (2.2").