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Juana Díaz, Puerto Rico

Full City Profile

9,427 Population 88/sq mi density
161 ft Elevation 49 meters
80°F Avg Temperature 27°C
Juana Díaz has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 83°F in July. The area gets 356 sunny days per year. Annual precipitation totals 33.1 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 83°F Jul (29°C)
Annual Average80.0°F
48% above US avg
January Average77°F (25°C)
July Average83°F (29°C)
Sunny Days356 days/yr

Geography

Elevation161 ft (49 m)
Area107.0 sq mi (277.2 km²)
Population Density88/sq mi
Coordinates18.0525°N, 66.5066°W
TimezoneAmerica/Puerto_Rico

Precipitation & Snow

Annual Rainfall 33.1"
13% below US avg
Snowfall 0.0"
Wettest Month (Oct) 9.37"
Driest Month (Feb) 1.77"

Air Quality

Earthquake History

19,245 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M0.0 on Aug 30, 2025.

Jan 13, 2014 61 km N of Hatillo, Puerto Rico M6.4 115 km
Jan 7, 2020 4 km SSE of Indios, Puerto Rico M6.4 34 km
Sep 24, 2019 67 km NNW of San Antonio, Puerto Rico M6.0 140 km
Jan 11, 2020 5 km SE of Maria Antonia, Puerto Rico M5.9 38 km
May 16, 2010 4 km E of Moca, Puerto Rico M5.8 71 km
Jan 6, 2020 14 km S of Indios, Puerto Rico M5.8 39 km
Jan 7, 2020 0 km NW of Magas Arriba, Puerto Rico M5.6 29 km
Jan 7, 2020 11 km S of Tallaboa, Puerto Rico M5.6 29 km
Feb 4, 2008 Puerto Rico region M5.5 116 km
Dec 11, 2000 65 km N of Isabela, Puerto Rico M5.5 131 km
May 2, 2020 6 km S of Tallaboa, Puerto Rico M5.4 27 km
Aug 1, 1993 68 km SSE of Emajagua, Puerto Rico M5.3 111 km
Nov 23, 1992 28 km NNW of San Antonio, Puerto Rico M5.3 104 km
Jul 3, 2020 9 km SSE of La Parguera, Puerto Rico M5.3 55 km
Jan 15, 2020 Puerto Rico region M5.2 56 km
Jan 11, 2020 19 km S of Indios, Puerto Rico M5.2 40 km
Jan 10, 2020 4 km S of Maria Antonia, Puerto Rico M5.2 42 km
Mar 12, 2009 66 km N of Brenas, Puerto Rico M5.1 114 km
Sep 24, 2019 59 km N of San Antonio, Puerto Rico M5.1 131 km
Jan 18, 1999 42 km NNW of San Antonio, Puerto Rico M5.0 117 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

24 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year Name Category Closest
2025 Erin Category 4 261 km
2024 Ernesto Category 1 218 km
2022 Fiona Category 1 50 km
2019 Dorian Category 1 142 km
2017 Maria Category 5 36 km
2017 Irma Category 5 132 km
2014 Gonzalo Category 3 273 km
2011 Irene Category 1 62 km
2010 Earl Category 4 214 km
2008 Omar Category 4 205 km
2004 Frances Category 4 274 km
2004 Jeanne Category 1 169 km
2000 Debby Category 1 114 km
1999 Lenny Category 4 170 km
1999 Jose Category 1 286 km
1998 Georges Category 3 27 km
1996 Bertha Category 3 150 km
1996 Hortense Category 1 42 km
1995 Luis Category 4 272 km
1995 Marilyn Category 3 128 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 6.1 m (20 ft).

Year Location Cause Max Wave Deaths Distance
1918 PUERTO RICO: MONA PASSAGE Eruption + Earthquake 6.1 m 144 102 km
1868 VIRGIN ISLANDS Earthquake 1.5 m — 149 km
2020 PUERTO RICO Earthquake 0.1 m 4 34 km
1918 PUERTO RICO Earthquake — — 86 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

6 wildfires (100+ acres) within 100 km. Largest: CAMPAMENTO SANTIAGO (3,927 ac, 2005).

Year Name Acres Distance
2005 CAMPAMENTO SANTIAGO 3,927 26 km
2007 UNNAMED 3,896 25 km
2005 UNNAMED 1,888 32 km
2005 PISTA DE SALINAS CARR 3 1,137 21 km
2005 UNNAMED 725 41 km
2007 CARR 304 606 57 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 77°F (25°C) 2.1 in
February 72°F (22°C) 1.8 in Coldest, Driest
March 73°F (23°C) 2.1 in
April 74°F (23°C) 4.3 in
May 76°F (24°C) 6.3 in
June 77°F (25°C) 4.6 in
July 83°F (29°C) 4.6 in Warmest
August 78°F (25°C) 7.4 in
September 78°F (25°C) 8.7 in
October 77°F (25°C) 9.4 in Wettest
November 75°F (24°C) 5.6 in
December 73°F (23°C) 2.6 in

Juana Díaz has a seasonal temperature swing of 11°F / from 72°F in February to 83°F in July. Total annual precipitation is 59.3 inches, with October being the wettest month (9.4") and February the driest (1.8").

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