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Bayamón, Puerto Rico

Full City Profile

203,499 Population 673/sq mi density
52 ft Elevation 16 meters
81°F Avg Temperature 27°C
Bayamón 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

Elevation52 ft (16 m)
Area302.2 sq mi (782.7 km²)
Population Density673/sq mi
Coordinates18.3986°N, 66.1557°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

22,552 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 85 km
Jan 13, 2014 61 km N of Hatillo, Puerto Rico M6.4 99 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 89 km
Jan 6, 2020 14 km S of Indios, Puerto Rico M5.8 92 km
May 16, 2010 4 km E of Moca, Puerto Rico M5.8 97 km
Jan 7, 2020 11 km S of Tallaboa, Puerto Rico M5.6 82 km
Jan 7, 2020 0 km NW of Magas Arriba, Puerto Rico M5.6 78 km
Feb 4, 2008 Puerto Rico region M5.5 105 km
Dec 11, 2000 65 km N of Isabela, Puerto Rico M5.5 125 km
May 2, 2020 6 km S of Tallaboa, Puerto Rico M5.4 79 km
Aug 1, 1993 68 km SSE of Emajagua, Puerto Rico M5.3 121 km
Jul 3, 2020 9 km SSE of La Parguera, Puerto Rico M5.3 106 km
Nov 23, 1992 28 km NNW of San Antonio, Puerto Rico M5.3 113 km
Jan 15, 2020 Puerto Rico region M5.2 106 km
Jan 11, 2020 19 km S of Indios, Puerto Rico M5.2 93 km
Jan 10, 2020 4 km S of Maria Antonia, Puerto Rico M5.2 93 km
Sep 6, 2004 122 km NNE of Vieques, Puerto Rico M5.1 143 km
Mar 12, 2009 66 km N of Brenas, Puerto Rico M5.1 78 km
Aug 14, 2009 92 km N of Suárez, Puerto Rico M5.1 106 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 5 214 km
2024 Ernesto Category 1 200 km
2022 Fiona Category 1 103 km
2019 Dorian Category 1 89 km
2017 Maria Category 5 23 km
2017 Irma Category 5 89 km
2014 Gonzalo Category 3 219 km
2011 Irene Category 1 34 km
2010 Earl Category 4 161 km
2008 Omar Category 4 199 km
2004 Frances Category 4 228 km
2004 Jeanne Category 1 196 km
2000 Debby Category 1 67 km
1999 Lenny Category 4 181 km
1999 Jose Category 1 251 km
1998 Georges Category 3 27 km
1996 Bertha Category 3 96 km
1996 Hortense Category 1 90 km
1995 Luis Category 4 218 km
1995 Marilyn Category 3 77 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 24 124 km
1918 PUERTO RICO: MONA PASSAGE Eruption + Earthquake 6.1 m 144 114 km
1868 VIRGIN ISLANDS Earthquake 1.5 m — 116 km
2020 PUERTO RICO Earthquake 0.1 m 4 85 km
1918 PUERTO RICO Earthquake — — 112 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 43 km
2007 UNNAMED 3,896 43 km
2005 UNNAMED 1,888 44 km
2005 PISTA DE SALINAS CARR 3 1,137 47 km
2005 UNNAMED 725 49 km
2013 PUERTO NEGRO 631 90 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

Bayamón 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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