Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cidra zona urbana has a warm climate with an average annual temperature of 73°F (23°C). Winters average 68°F in January while summers reach 76°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 38.8 inches. 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 1,392 feet.
Temperature
68°F Jan (20°C)76°F Jul (24°C)
Annual Average
72.9°F
35% above US avg
January Average
68°F (20°C)
July Average
76°F (24°C)
Sunny Days
351 days/yr
Geography
Elevation
1,392 ft (424 m)
Area
1.1 sq mi (2.9 km²)
Population Density
5,292/sq mi
Coordinates
18.1775°N, 66.1585°W
Timezone
America/Puerto_Rico
County
Cidra Municipio County
Nearest Airport
Luis Munoz Marin International (SJU) 21 miles away
Precipitation & Snow
Annual Rainfall38.8"
2% above US avg
Snowfall0.0"
Wettest Month (Oct)8.50"
Driest Month (Feb)2.99"
Air Quality
AQI Median
21.0
Rating
Good
Earthquake History
20,629 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.4.
Jan 7, 2020
4 km SSE of Indios, Puerto Rico
M6.4
73 km
6 km
Jan 13, 2014
61 km N of Hatillo, Puerto Rico
M6.4
118 km
20 km
Jan 11, 2020
5 km SE of Maria Antonia, Puerto Rico
M5.9
78 km
5 km
May 16, 2010
4 km E of Moca, Puerto Rico
M5.8
99 km
113 km
Jan 6, 2020
14 km S of Indios, Puerto Rico
M5.8
78 km
6 km
Jan 7, 2020
11 km S of Tallaboa, Puerto Rico
M5.6
68 km
10 km
Jan 7, 2020
0 km NW of Magas Arriba, Puerto Rico
M5.6
68 km
9 km
Feb 4, 2008
Puerto Rico region
M5.5
123 km
15 km
Dec 11, 2000
65 km N of Isabela, Puerto Rico
M5.5
142 km
53 km
May 2, 2020
6 km S of Tallaboa, Puerto Rico
M5.4
66 km
9 km
Jul 3, 2020
9 km SSE of La Parguera, Puerto Rico
M5.3
95 km
3 km
Aug 1, 1993
68 km SSE of Emajagua, Puerto Rico
M5.3
98 km
25 km
Nov 23, 1992
28 km NNW of San Antonio, Puerto Rico
M5.3
124 km
31 km
Jan 15, 2020
Puerto Rico region
M5.2
95 km
5 km
Jan 11, 2020
19 km S of Indios, Puerto Rico
M5.2
78 km
10 km
Jan 10, 2020
4 km S of Maria Antonia, Puerto Rico
M5.2
81 km
9 km
Aug 14, 2009
92 km N of Suárez, Puerto Rico
M5.1
129 km
47 km
Mar 12, 2009
66 km N of Brenas, Puerto Rico
M5.1
102 km
15 km
Sep 24, 2019
59 km N of San Antonio, Puerto Rico
M5.1
145 km
5 km
Jan 18, 1999
42 km NNW of San Antonio, Puerto Rico
M5.0
135 km
33 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
24 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
236 km
2024
Ernesto
Category 1
75 mph
221 km
2022
Fiona
Category 1
92 mph
89 km
2019
Dorian
Category 1
86 mph
106 km
2017
Maria
Category 5
173 mph
5 km
2017
Irma
Category 5
178 mph
113 km
2014
Gonzalo
Category 3
115 mph
236 km
2011
Irene
Category 1
92 mph
27 km
2010
Earl
Category 4
132 mph
182 km
2008
Omar
Category 4
132 mph
186 km
2004
Frances
Category 4
144 mph
252 km
2004
Jeanne
Category 1
81 mph
200 km
2000
Debby
Category 1
75 mph
92 km
1999
Lenny
Category 4
155 mph
164 km
1999
Jose
Category 1
75 mph
249 km
1998
Georges
Category 3
121 mph
15 km
1996
Bertha
Category 3
115 mph
115 km
1996
Hortense
Category 1
81 mph
74 km
1995
Luis
Category 4
144 mph
236 km
1995
Marilyn
Category 3
115 mph
91 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
15 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF1. Total: 1 injury.
Date
Rating
Distance
Path
Fatalities
May 1, 2022
EF1
70 km
0.4 mi
0
Aug 30, 1974
EF1
19 km
2.0 mi
0
May 5, 1969
EF1
15 km
1.5 mi
0
Mar 16, 2023
EF0
30 km
0.3 mi
0
Sep 30, 2019
EF0
25 km
0.1 mi
0
Jul 27, 2019
EF0
92 km
0.5 mi
0
Mar 26, 2017
EF0
27 km
0.4 mi
0
Nov 18, 2016
EF0
44 km
0.6 mi
0
Sep 13, 2012
EF0
77 km
0.0 mi
0
Aug 25, 2000
EF0
14 km
1.0 mi
0
Feb 23, 2000
EF0
25 km
0.2 mi
0
Sep 8, 1999
EF0
36 km
0.1 mi
0
May 1, 1995
EF0
26 km
—
0
Oct 7, 1969
EF0
91 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
122 km
1918
PUERTO RICO: MONA PASSAGE
Eruption + Earthquake
6.1 m
144
123 km
1868
VIRGIN ISLANDS
Earthquake
1.5 m
—
112 km
2020
PUERTO RICO
Earthquake
0.1 m
4
73 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
20 km
2007
UNNAMED
3,896
21 km
2005
UNNAMED
1,888
20 km
2005
PISTA DE SALINAS CARR 3
1,137
25 km
2005
UNNAMED
725
25 km
2013
PUERTO NEGRO
631
86 km
2007
CARR 304
606
96 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
68°F (20°C)
4.2 in
Coldest
February
72°F (22°C)
3.0 in
Driest
March
73°F (23°C)
3.4 in
April
75°F (24°C)
4.8 in
May
77°F (25°C)
7.7 in
June
78°F (26°C)
6.0 in
July
76°F (24°C)
6.6 in
August
79°F (26°C)
8.4 in
Warmest
September
78°F (26°C)
7.7 in
October
78°F (25°C)
8.5 in
Wettest
November
76°F (24°C)
7.2 in
December
74°F (23°C)
5.6 in
Cidra zona urbana has a seasonal temperature swing of 10°F / from 68°F in January to 79°F in August. Total annual precipitation is 73.0 inches, with October being the wettest month (8.5") and February the driest (3.0").