Sign In Register

Humacao, Puerto Rico

Full City Profile

20,387 Population 363/sq mi density
72 ft Elevation 22 meters
78°F Avg Temperature 26°C
Humacao 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. The area gets 351 sunny days per year. Annual precipitation totals 50.0 inches. The area receives 0.0 inches of snow annually.

Temperature

74°F Jan (24°C) 81°F Jul (27°C)
Annual Average78.3°F
45% above US avg
January Average74°F (24°C)
July Average81°F (27°C)
Sunny Days351 days/yr

Geography

Elevation72 ft (22 m)
Area56.2 sq mi (145.7 km²)
Population Density363/sq mi
Coordinates18.1497°N, 65.8274°W
TimezoneAmerica/Puerto_Rico

Precipitation & Snow

Annual Rainfall 50.0"
32% above US avg
Snowfall 0.0"
Wettest Month (Oct) 10.20"
Driest Month (Feb) 2.60"

Air Quality

Earthquake History

19,921 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M0.0 on Aug 30, 2025.

Jan 7, 2020 4 km SSE of Indios, Puerto Rico M6.4 106 km
Jan 13, 2014 61 km N of Hatillo, Puerto Rico M6.4 143 km
Jan 11, 2020 5 km SE of Maria Antonia, Puerto Rico M5.9 111 km
Jan 6, 2020 14 km S of Indios, Puerto Rico M5.8 110 km
May 16, 2010 4 km E of Moca, Puerto Rico M5.8 134 km
Jan 7, 2020 11 km S of Tallaboa, Puerto Rico M5.6 99 km
Jan 7, 2020 0 km NW of Magas Arriba, Puerto Rico M5.6 101 km
Feb 4, 2008 Puerto Rico region M5.5 150 km
May 2, 2020 6 km S of Tallaboa, Puerto Rico M5.4 98 km
Aug 1, 1993 68 km SSE of Emajagua, Puerto Rico M5.3 84 km
Jul 3, 2020 9 km SSE of La Parguera, Puerto Rico M5.3 128 km
Jan 10, 2020 4 km S of Maria Antonia, Puerto Rico M5.2 114 km
Jan 15, 2020 Puerto Rico region M5.2 129 km
Jan 11, 2020 19 km S of Indios, Puerto Rico M5.2 109 km
Aug 14, 2009 92 km N of Suárez, Puerto Rico M5.1 124 km
Mar 12, 2009 66 km N of Brenas, Puerto Rico M5.1 117 km
Jan 25, 2020 1 km N of Indios, Puerto Rico M5.0 106 km
Feb 4, 2020 15 km SSE of Guánica, Puerto Rico M5.0 116 km
Jan 7, 2020 14 km S of Tallaboa, Puerto Rico M5.0 98 km
Jan 7, 2020 7 km SE of Tallaboa, Puerto Rico M5.0 93 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Erin Category 5 227 km
2024 Ernesto Category 1 242 km
2023 Tammy Category 1 289 km
2022 Fiona Category 1 110 km
2019 Dorian Category 1 82 km
2017 Maria Category 5 18 km
2017 Irma Category 5 95 km
2014 Gonzalo Category 3 212 km
2011 Irene Category 1 10 km
2010 Earl Category 4 168 km
2008 Omar Category 4 154 km
2004 Frances Category 4 251 km
2004 Jeanne Category 1 235 km
2000 Debby Category 1 85 km
1999 Lenny Category 4 137 km
1999 Jose Category 1 214 km
1998 Georges Category 3 6 km
1996 Bertha Category 3 101 km
1996 Hortense Category 1 94 km
1995 Luis Category 4 215 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

4 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 88 km
1868 VIRGIN ISLANDS Earthquake 1.5 m 77 km
2020 PUERTO RICO Earthquake 0.1 m 4 106 km
1918 PUERTO RICO Earthquake 150 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 48 km
2007 UNNAMED 3,896 49 km
2005 UNNAMED 1,888 43 km
2005 PISTA DE SALINAS CARR 3 1,137 54 km
2005 UNNAMED 725 38 km
2013 PUERTO NEGRO 631 50 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 74°F (24°C) 3.4 in Coldest
February 75°F (24°C) 2.6 in Driest
March 76°F (24°C) 3.2 in
April 78°F (25°C) 4.3 in
May 79°F (26°C) 8.4 in
June 81°F (27°C) 6.3 in
July 81°F (27°C) 6.8 in
August 81°F (27°C) 9.0 in Warmest
September 81°F (27°C) 9.1 in
October 80°F (27°C) 10.2 in Wettest
November 79°F (26°C) 7.6 in
December 76°F (25°C) 5.1 in

Humacao has a seasonal temperature swing of 7°F / from 74°F in January to 81°F in August. Total annual precipitation is 76.0 inches, with October being the wettest month (10.2") and February the driest (2.6").

View full weather details →