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Arecibo, Puerto Rico

Full City Profile

87,754 Population 291/sq mi density
23 ft Elevation 7 meters
80°F Avg Temperature 26°C
Arecibo has a warm climate with an average annual temperature of 80°F (27°C). Winters average 75°F in January while summers reach 83°F in July. The area gets 354 sunny days per year. Annual precipitation totals 45.4 inches. The area receives 0.0 inches of snow annually.

Temperature

75°F Jan (24°C) 83°F Jul (29°C)
Annual Average79.6°F
47% above US avg
January Average75°F (24°C)
July Average83°F (29°C)
Sunny Days354 days/yr

Geography

Elevation23 ft (7 m)
Area302.1 sq mi (782.4 km²)
Population Density291/sq mi
Coordinates18.4725°N, 66.7157°W
TimezoneAmerica/Puerto_Rico

Precipitation & Snow

Annual Rainfall 45.4"
19% above US avg
Snowfall 0.0"
Wettest Month (Sep) 7.95"
Driest Month (Feb) 2.83"

Air Quality

Earthquake History

22,537 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 58 km
Jan 13, 2014 61 km N of Hatillo, Puerto Rico M6.4 64 km
Sep 24, 2019 67 km NNW of San Antonio, Puerto Rico M6.0 89 km
Jan 11, 2020 5 km SE of Maria Antonia, Puerto Rico M5.9 60 km
May 16, 2010 4 km E of Moca, Puerto Rico M5.8 38 km
Jan 6, 2020 14 km S of Indios, Puerto Rico M5.8 68 km
Jan 7, 2020 11 km S of Tallaboa, Puerto Rico M5.6 65 km
Jan 7, 2020 0 km NW of Magas Arriba, Puerto Rico M5.6 51 km
May 15, 2024 92 km NNW of San Antonio, Puerto Rico M5.6 116 km
Dec 11, 2000 65 km N of Isabela, Puerto Rico M5.5 79 km
Feb 4, 2008 Puerto Rico region M5.5 65 km
May 2, 2020 6 km S of Tallaboa, Puerto Rico M5.4 60 km
Jul 3, 2020 9 km SSE of La Parguera, Puerto Rico M5.3 71 km
Nov 23, 1992 28 km NNW of San Antonio, Puerto Rico M5.3 56 km
Jan 15, 2020 Puerto Rico region M5.2 70 km
Jan 10, 2020 4 km S of Maria Antonia, Puerto Rico M5.2 62 km
Jan 11, 2020 19 km S of Indios, Puerto Rico M5.2 73 km
Mar 12, 2009 66 km N of Brenas, Puerto Rico M5.1 76 km
Aug 14, 2009 92 km N of Suárez, Puerto Rico M5.1 136 km
Sep 24, 2019 59 km N of San Antonio, Puerto Rico M5.1 80 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Erin Category 4 225 km
2024 Ernesto Category 1 167 km
2022 Fiona Category 2 66 km
2019 Dorian Category 1 134 km
2017 Maria Category 5 15 km
2017 Irma Category 5 97 km
2014 Gonzalo Category 3 256 km
2011 Irene Category 1 36 km
2010 Earl Category 4 180 km
2008 Omar Category 4 254 km
2004 Frances Category 4 239 km
2004 Jeanne Category 1 136 km
2000 Debby Category 1 81 km
1999 Lenny Category 4 222 km
1998 Georges Category 3 46 km
1998 Bonnie Category 1 299 km
1996 Bertha Category 3 122 km
1996 Hortense Category 1 56 km
1995 Luis Category 4 261 km
1995 Marilyn Category 3 113 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

3 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 56 km
2020 PUERTO RICO Earthquake 0.1 m 4 58 km
1918 PUERTO RICO Earthquake 53 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 69 km
2007 UNNAMED 3,896 68 km
2005 UNNAMED 1,888 74 km
2005 PISTA DE SALINAS CARR 3 1,137 67 km
2005 UNNAMED 725 84 km
2007 CARR 304 606 64 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 75°F (24°C) 3.8 in
February 73°F (23°C) 2.8 in Coldest, Driest
March 74°F (23°C) 3.5 in
April 75°F (24°C) 5.8 in
May 77°F (25°C) 7.8 in
June 79°F (26°C) 6.2 in
July 83°F (29°C) 5.0 in Warmest
August 79°F (26°C) 7.0 in
September 79°F (26°C) 8.0 in Wettest
October 78°F (26°C) 8.0 in
November 76°F (25°C) 6.9 in
December 74°F (23°C) 5.0 in

Arecibo has a seasonal temperature swing of 10°F / from 73°F in February to 83°F in July. Total annual precipitation is 69.6 inches, with September being the wettest month (8.0") and February the driest (2.8").

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