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Trujillo Alto, Puerto Rico

Full City Profile

75,243 Population 2,842/sq mi density
66 ft Elevation 20 meters
81°F Avg Temperature 27°C
Trujillo Alto has a warm climate with an average annual temperature of 81°F (27°C). Winters average 76°F in January while summers reach 83°F in July. The area gets 354 sunny days per year. Annual precipitation totals 38.2 inches. The area receives 0.0 inches of snow annually.

Temperature

76°F Jan (25°C) 83°F Jul (28°C)
Annual Average80.6°F
49% above US avg
January Average76°F (25°C)
July Average83°F (28°C)
Sunny Days354 days/yr

Geography

Elevation66 ft (20 m)
Area26.5 sq mi (68.6 km²)
Population Density2,842/sq mi
Coordinates18.3547°N, 66.0074°W
TimezoneAmerica/Puerto_Rico

Precipitation & Snow

Annual Rainfall 38.2"
0% below US avg
Snowfall 0.0"
Wettest Month (Nov) 7.40"
Driest Month (Feb) 2.99"

Air Quality

Earthquake History

22,138 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 M6.4 114 km
Jan 7, 2020 4 km SSE of Indios, Puerto Rico M6.4 96 km
Jan 11, 2020 5 km SE of Maria Antonia, Puerto Rico M5.9 100 km
May 16, 2010 4 km E of Moca, Puerto Rico M5.8 112 km
Jan 6, 2020 14 km S of Indios, Puerto Rico M5.8 102 km
Jan 7, 2020 0 km NW of Magas Arriba, Puerto Rico M5.6 89 km
Jan 7, 2020 11 km S of Tallaboa, Puerto Rico M5.6 91 km
Dec 11, 2000 65 km N of Isabela, Puerto Rico M5.5 141 km
Feb 4, 2008 Puerto Rico region M5.5 120 km
May 2, 2020 6 km S of Tallaboa, Puerto Rico M5.4 89 km
Aug 1, 1993 68 km SSE of Emajagua, Puerto Rico M5.3 111 km
Jul 3, 2020 9 km SSE of La Parguera, Puerto Rico M5.3 117 km
Nov 23, 1992 28 km NNW of San Antonio, Puerto Rico M5.3 130 km
Jan 11, 2020 19 km S of Indios, Puerto Rico M5.2 102 km
Jan 15, 2020 Puerto Rico region M5.2 117 km
Jan 10, 2020 4 km S of Maria Antonia, Puerto Rico M5.2 104 km
Sep 6, 2004 122 km NNE of Vieques, Puerto Rico M5.1 138 km
Mar 12, 2009 66 km N of Brenas, Puerto Rico M5.1 88 km
Aug 14, 2009 92 km N of Suárez, Puerto Rico M5.1 105 km
Sep 24, 2019 59 km N of San Antonio, Puerto Rico M5.1 147 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

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

Year Name Category Closest
2025 Erin Category 5 212 km
2024 Ernesto Category 1 213 km
2023 Tammy Category 1 291 km
2022 Fiona Category 1 113 km
2019 Dorian Category 1 81 km
2017 Maria Category 5 27 km
2017 Irma Category 5 88 km
2017 Jose Category 4 300 km
2014 Gonzalo Category 3 212 km
2011 Irene Category 1 21 km
2010 Earl Category 4 157 km
2008 Omar Category 4 183 km
2004 Frances Category 4 230 km
2004 Jeanne Category 1 212 km
2000 Debby Category 1 72 km
1999 Lenny Category 4 166 km
1999 Jose Category 1 235 km
1998 Georges Category 3 35 km
1996 Bertha Category 3 90 km
1996 Hortense Category 1 99 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

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 24 108 km
1918 PUERTO RICO: MONA PASSAGE Eruption + Earthquake 6.1 m 144 130 km
1868 VIRGIN ISLANDS Earthquake 1.5 m - 100 km
2020 PUERTO RICO Earthquake 0.1 m 4 96 km
1918 PUERTO RICO Earthquake - - 128 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 46 km
2007 UNNAMED 3,896 46 km
2005 UNNAMED 1,888 44 km
2005 PISTA DE SALINAS CARR 3 1,137 50 km
2005 UNNAMED 725 46 km
2013 PUERTO NEGRO 631 73 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 76°F (25°C) 4.3 in
February 76°F (24°C) 3.0 in Coldest, Driest
March 76°F (25°C) 3.2 in
April 78°F (26°C) 4.4 in
May 80°F (27°C) 7.2 in
June 81°F (27°C) 5.3 in
July 83°F (28°C) 6.1 in Warmest
August 82°F (28°C) 7.3 in
September 81°F (27°C) 6.5 in
October 81°F (27°C) 6.7 in
November 79°F (26°C) 7.4 in Wettest
December 77°F (25°C) 6.1 in

Trujillo Alto has a seasonal temperature swing of 8°F / from 76°F in February to 83°F in July. Total annual precipitation is 67.6 inches, with November being the wettest month (7.4") and February the driest (3.0").

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