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San Sebastián zona urbana, PR

Full City Profile · Puerto Rico · San Sebastián Municipio County

2.1 /5.0
C Fair
9,309 Population 4,541/sq mi density
$20,112 Median Income $13,361 per capita
$110,300 Home Value $1,052,735 Zillow
$478 Median Rent 31.9% income on rent
78°F Avg Temperature 354 sunny days/yr
2,772 Violent Crime/100K 9,039 property/100K
C
Overall
2.1 / 5.0
Fair overall score based on economy, affordability, safety and education
D
Economy
1.7 / 5.0
$20,112 median income, 5.1% unemployment
B+
Affordability
3.6 / 5.0
$110,300 home value, $478/mo rent
F
Safety
1.0 / 5.0
2,772 violent crimes/100K (629% above avg)
San Sebastián zona urbana has a warm climate with an average annual temperature of 78°F (26°C). Winters average 73°F in January while summers reach 81°F in July. The area gets 354 sunny days per year. Annual precipitation totals 54.6 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 21.

Temperature

73°F Jan (23°C) 81°F Jul (27°C)
Annual Average77.8°F
44% above US avg
January Average73°F (23°C)
July Average81°F (27°C)
Sunny Days354 days/yr

Geography

Elevation222 ft (68 m)
Area2.1 sq mi (5.3 km²)
Population Density4,541/sq mi
Coordinates18.3355°N, 66.9948°W
TimezoneAmerica/Puerto_Rico
CountySan Sebastián Municipio County
Nearest AirportLuis Munoz Marin International (SJU)
65 miles away

Precipitation & Snow

Annual Rainfall 54.6"
44% above US avg
Snowfall 0.0"
Wettest Month (May) 9.33"
Driest Month (Feb) 2.99"

Air Quality

AQI Median21.0
RatingGood

Earthquake History

22,018 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M3.1 on Aug 30, 2025.

Jan 7, 2020 4 km SSE of Indios, Puerto Rico M6.4 46 km
Jan 13, 2014 61 km N of Hatillo, Puerto Rico M6.4 81 km
Sep 24, 2019 67 km NNW of San Antonio, Puerto Rico M6.0 87 km
Jan 11, 2020 5 km SE of Maria Antonia, Puerto Rico M5.9 46 km
May 28, 2014 45 km SE of Boca de Yuma, Dominican Republic M5.8 147 km
May 16, 2010 4 km E of Moca, Puerto Rico M5.8 11 km
Jan 6, 2020 14 km S of Indios, Puerto Rico M5.8 55 km
Aug 5, 2025 38 km SE of Boca de Yuma, Dominican Republic M5.7 142 km
Jan 7, 2020 11 km S of Tallaboa, Puerto Rico M5.6 57 km
May 15, 2024 92 km NNW of San Antonio, Puerto Rico M5.6 113 km
Jan 7, 2020 0 km NW of Magas Arriba, Puerto Rico M5.6 42 km
Dec 11, 2000 65 km N of Isabela, Puerto Rico M5.5 85 km
Feb 4, 2008 Puerto Rico region M5.5 78 km
May 2, 2020 6 km S of Tallaboa, Puerto Rico M5.4 53 km
Jul 3, 2020 9 km SSE of La Parguera, Puerto Rico M5.3 49 km
Nov 23, 1992 28 km NNW of San Antonio, Puerto Rico M5.3 49 km
Jan 11, 2020 19 km S of Indios, Puerto Rico M5.2 61 km
Jan 10, 2020 4 km S of Maria Antonia, Puerto Rico M5.2 46 km
Jan 15, 2020 Puerto Rico region M5.2 47 km
Mar 21, 2003 61 km SE of Boca de Yuma, Dominican Republic M5.1 123 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

23 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Erin (2025, Cat 4).

Year Name Category Closest
2025 Erin Category 4 249 km
2024 Ernesto Category 1 175 km
2022 Fiona Category 2 39 km
2019 Dorian Category 1 167 km
2017 Maria Category 5 29 km
2017 Irma Category 5 127 km
2014 Gonzalo Category 3 288 km
2011 Irene Category 1 63 km
2010 Earl Category 4 209 km
2008 Omar Category 3 263 km
2004 Frances Category 4 259 km
2004 Jeanne Category 1 110 km
2000 Debby Category 1 101 km
1999 Lenny Category 4 220 km
1998 Georges Category 3 28 km
1996 Bertha Category 3 151 km
1996 Hortense Category 2 39 km
1995 Luis Category 4 294 km
1995 Marilyn Category 3 143 km
1989 Hugo Category 4 106 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tornado History

26 tornadoes (EF0+) within 100 km since 1950. Strongest: EF1. Total: 1 injury.

Date Rating Distance Fatalities
Jul 16, 2023 EF1 22 km 0
May 1, 2022 EF1 30 km 0
May 5, 1969 EF1 95 km 0
Jun 7, 1962 EF1 26 km 0
Aug 9, 2023 EF0 17 km 0
Sep 30, 2019 EF0 89 km 0
Jul 27, 2019 EF0 33 km 0
Nov 18, 2016 EF0 55 km 0
Oct 1, 2013 EF0 20 km 0
Sep 13, 2012 EF0 14 km 0
Aug 7, 2011 EF0 12 km 0
Aug 25, 2009 EF0 23 km 0
Aug 6, 2007 EF0 19 km 0
Jun 15, 2006 EF0 20 km 0
Jun 22, 2005 EF0 20 km 0
Oct 16, 2004 EF0 20 km 0
Oct 4, 2002 EF0 20 km 0
Jun 3, 2001 EF0 20 km 0
Aug 25, 2000 EF0 79 km 0
Feb 23, 2000 EF0 98 km 0
Source: NOAA SPC (EF0+, 1950-2024)

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 45 km
2020 PUERTO RICO Earthquake 0.1 m 4 46 km
1918 PUERTO RICO Earthquake - - 26 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

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

Year Name Acres Distance
2005 CAMPAMENTO SANTIAGO 3,927 84 km
2007 UNNAMED 3,896 84 km
2005 UNNAMED 1,888 91 km
2005 PISTA DE SALINAS CARR 3 1,137 81 km
2007 CARR 304 606 39 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 73°F (23°C) 3.5 in
February 73°F (23°C) 3.0 in Coldest, Driest
March 73°F (23°C) 3.8 in
April 75°F (24°C) 6.0 in
May 77°F (25°C) 9.3 in Wettest
June 78°F (26°C) 7.2 in
July 81°F (27°C) 5.8 in Warmest
August 78°F (26°C) 7.8 in
September 78°F (26°C) 8.7 in
October 78°F (25°C) 8.6 in
November 76°F (24°C) 6.6 in
December 74°F (23°C) 4.5 in

San Sebastián zona urbana has a seasonal temperature swing of 9°F / from 73°F in February to 81°F in July. Total annual precipitation is 74.7 inches, with May being the wettest month (9.3") and February the driest (3.0").

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