Sign In Register

Guayama, Puerto Rico

Full City Profile

21,575 Population 523/sq mi density
240 ft Elevation 73 meters
78°F Avg Temperature 26°C
Guayama 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

Elevation240 ft (73 m)
Area41.2 sq mi (106.8 km²)
Population Density523/sq mi
Coordinates17.9841°N, 66.1138°W
TimezoneAmerica/Puerto_Rico

Precipitation & Snow

Annual Rainfall 50.0"
32% above US avg
Snowfall 0.0"
Wettest Month (Oct) 8.74"
Driest Month (Feb) 1.65"

Air Quality

Earthquake History

18,363 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 M6.4 139 km
Jan 7, 2020 4 km SSE of Indios, Puerto Rico M6.4 74 km
Jan 11, 2020 5 km SE of Maria Antonia, Puerto Rico M5.9 78 km
Jan 6, 2020 14 km S of Indios, Puerto Rico M5.8 76 km
May 16, 2010 4 km E of Moca, Puerto Rico M5.8 111 km
Jan 7, 2020 0 km NW of Magas Arriba, Puerto Rico M5.6 70 km
Jan 7, 2020 11 km S of Tallaboa, Puerto Rico M5.6 65 km
Feb 4, 2008 Puerto Rico region M5.5 143 km
May 2, 2020 6 km S of Tallaboa, Puerto Rico M5.4 65 km
Aug 1, 1993 68 km SSE of Emajagua, Puerto Rico M5.3 78 km
Jul 3, 2020 9 km SSE of La Parguera, Puerto Rico M5.3 95 km
Nov 23, 1992 28 km NNW of San Antonio, Puerto Rico M5.3 140 km
Jan 11, 2020 19 km S of Indios, Puerto Rico M5.2 74 km
Jan 15, 2020 Puerto Rico region M5.2 96 km
Jan 10, 2020 4 km S of Maria Antonia, Puerto Rico M5.2 82 km
Aug 14, 2009 92 km N of Suárez, Puerto Rico M5.1 148 km
Mar 12, 2009 66 km N of Brenas, Puerto Rico M5.1 124 km
Jan 25, 2020 1 km N of Indios, Puerto Rico M5.0 75 km
Jan 7, 2020 14 km S of Tallaboa, Puerto Rico M5.0 64 km
Feb 4, 2020 15 km SSE of Guánica, Puerto Rico M5.0 82 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 5 254 km
2024 Ernesto Category 1 242 km
2022 Fiona Category 1 77 km
2019 Dorian Category 1 117 km
2017 Maria Category 5 23 km
2017 Irma Category 5 127 km
2014 Gonzalo Category 3 247 km
2011 Irene Category 1 33 km
2010 Earl Category 4 199 km
2008 Omar Category 4 173 km
2004 Frances Category 4 272 km
2004 Jeanne Category 1 211 km
2000 Debby Category 1 113 km
1999 Lenny Category 4 146 km
1999 Jose Category 1 245 km
1998 Georges Category 3 31 km
1996 Bertha Category 3 130 km
1996 Hortense Category 1 59 km
1995 Luis Category 4 249 km
1995 Marilyn Category 3 103 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 24 120 km
1918 PUERTO RICO: MONA PASSAGE Eruption + Earthquake 6.1 m 144 139 km
1868 VIRGIN ISLANDS Earthquake 1.5 m — 108 km
2020 PUERTO RICO Earthquake 0.1 m 4 74 km
1918 PUERTO RICO Earthquake — — 127 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

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

Year Name Acres Distance
2005 CAMPAMENTO SANTIAGO 3,927 17 km
2007 UNNAMED 3,896 18 km
2005 UNNAMED 1,888 11 km
2005 PISTA DE SALINAS CARR 3 1,137 21 km
2005 UNNAMED 725 3 km
2013 PUERTO NEGRO 631 83 km
2007 CARR 304 606 98 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 74°F (24°C) 1.8 in Coldest
February 76°F (24°C) 1.7 in Driest
March 76°F (25°C) 1.7 in
April 78°F (26°C) 2.1 in
May 80°F (27°C) 5.2 in
June 81°F (27°C) 4.6 in
July 81°F (27°C) 4.8 in
August 82°F (28°C) 6.1 in Warmest
September 81°F (27°C) 7.4 in
October 80°F (27°C) 8.7 in Wettest
November 79°F (26°C) 5.4 in
December 77°F (25°C) 2.7 in

Guayama has a seasonal temperature swing of 7°F / from 74°F in January to 82°F in August. Total annual precipitation is 52.3 inches, with October being the wettest month (8.7") and February the driest (1.7").

View full weather details →