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Palmer, Puerto Rico

Full City Profile

1,205 Population 6,025/sq mi density
59 ft Elevation 18 meters
81°F Avg Temperature 27°C
Palmer 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

Elevation59 ft (18 m)
Area0.2 sq mi (0.5 km²)
Population Density6,025/sq mi
Coordinates18.3705°N, 65.7741°W
TimezoneAmerica/Puerto_Rico

Precipitation & Snow

Annual Rainfall 38.2"
0% below US avg
Snowfall 0.0"
Wettest Month (May) 8.15"
Driest Month (Feb) 2.76"

Air Quality

Earthquake History

22,723 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 M6.4 132 km
Jan 7, 2020 4 km SSE of Indios, Puerto Rico M6.4 119 km
Oct 17, 2001 112 km N of Charlotte Amalie, U.S. Virgin Islands M6.0 141 km
Jan 11, 2020 5 km SE of Maria Antonia, Puerto Rico M5.9 123 km
May 16, 2010 4 km E of Moca, Puerto Rico M5.8 137 km
Jan 6, 2020 14 km S of Indios, Puerto Rico M5.8 124 km
Oct 16, 2001 112 km N of Charlotte Amalie, U.S. Virgin Islands M5.6 144 km
Jan 7, 2020 0 km NW of Magas Arriba, Puerto Rico M5.6 113 km
Jan 7, 2020 11 km S of Tallaboa, Puerto Rico M5.6 113 km
Feb 4, 2008 Puerto Rico region M5.5 140 km
May 2, 2020 6 km S of Tallaboa, Puerto Rico M5.4 112 km
Jul 3, 2020 9 km SSE of La Parguera, Puerto Rico M5.3 140 km
Aug 1, 1993 68 km SSE of Emajagua, Puerto Rico M5.3 108 km
Jan 11, 2020 19 km S of Indios, Puerto Rico M5.2 124 km
Jan 10, 2020 4 km S of Maria Antonia, Puerto Rico M5.2 127 km
Jan 15, 2020 Puerto Rico region M5.2 141 km
Mar 12, 2009 66 km N of Brenas, Puerto Rico M5.1 100 km
Aug 14, 2009 92 km N of Suárez, Puerto Rico M5.1 99 km
Sep 6, 2004 122 km NNE of Vieques, Puerto Rico M5.1 126 km
May 11, 1996 107 km N of Charlotte Amalie, U.S. Virgin Islands M5.1 136 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Erin Category 5 202 km
2024 Ernesto Category 1 227 km
2023 Tammy Category 1 270 km
2022 Fiona Category 1 133 km
2019 Dorian Category 1 66 km
2017 Maria Category 5 43 km
2017 Irma Category 5 71 km
2017 Jose Category 4 284 km
2014 Gonzalo Category 3 192 km
2011 Irene Category 1 23 km
2010 Earl Category 4 146 km
2008 Omar Category 4 165 km
2004 Frances Category 4 226 km
2004 Jeanne Category 1 236 km
2000 Debby Category 1 62 km
1999 Lenny Category 4 149 km
1999 Jose Category 1 211 km
1998 Georges Category 3 30 km
1996 Bertha Category 3 76 km
1996 Hortense Category 1 115 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

3 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 84 km
1868 VIRGIN ISLANDS Earthquake 1.5 m 77 km
2020 PUERTO RICO Earthquake 0.1 m 4 119 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 65 km
2007 UNNAMED 3,896 65 km
2005 UNNAMED 1,888 61 km
2005 PISTA DE SALINAS CARR 3 1,137 70 km
2005 UNNAMED 725 59 km
2013 PUERTO NEGRO 631 51 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 76°F (25°C) 3.7 in
February 75°F (24°C) 2.8 in Coldest, Driest
March 76°F (24°C) 3.2 in
April 77°F (25°C) 4.8 in
May 79°F (26°C) 8.2 in Wettest
June 80°F (27°C) 5.7 in
July 83°F (28°C) 5.6 in Warmest
August 81°F (27°C) 7.1 in
September 81°F (27°C) 7.4 in
October 80°F (27°C) 8.0 in
November 78°F (26°C) 7.4 in
December 76°F (24°C) 5.8 in

Palmer has a seasonal temperature swing of 8°F / from 75°F in February to 83°F in July. Total annual precipitation is 69.7 inches, with May being the wettest month (8.2") and February the driest (2.8").

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