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Weather & Climate in Isabel Segunda, Puerto Rico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Isabel Segunda has a warm climate with an average annual temperature of 79°F (26°C). Winters average 76°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 247 sunny days per year, above the national average. Annual precipitation totals 49.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 39 feet.
Temperature
76°F Jan (25°C)
82°F Jul (28°C)
| Annual Average | 79.1°F |
| 46% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 247 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 75.7 sq mi (196.1 km²) |
| Population Density | 123/sq mi |
| Coordinates | 18.1491°N, 65.4427°W |
| Timezone | America/Puerto_Rico |
Precipitation & Snow
Air Quality
Earthquake History
14,914 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.
| Jan 7, 2020 | 4 km SSE of Indios, Puerto Rico | M6.4 | 146 km | 6 km |
| Oct 17, 2001 | 112 km N of Charlotte Amalie, U.S. Virgin Islands | M6.0 | 144 km | 33 km |
| Jan 6, 2020 | 14 km S of Indios, Puerto Rico | M5.8 | 149 km | 6 km |
| Oct 16, 2001 | 112 km N of Charlotte Amalie, U.S. Virgin Islands | M5.6 | 146 km | 33 km |
| Jan 7, 2020 | 11 km S of Tallaboa, Puerto Rico | M5.6 | 138 km | 10 km |
| Jan 7, 2020 | 0 km NW of Magas Arriba, Puerto Rico | M5.6 | 142 km | 9 km |
| May 8, 2022 | 84 km NNE of Cruz Bay, U.S. Virgin Islands | M5.5 | 147 km | 25 km |
| May 2, 2020 | 6 km S of Tallaboa, Puerto Rico | M5.4 | 138 km | 9 km |
| Jan 24, 2021 | 76 km E of Cruz Bay, U.S. Virgin Islands | M5.4 | 145 km | 94 km |
| Aug 1, 1993 | 68 km SSE of Emajagua, Puerto Rico | M5.3 | 88 km | 25 km |
| Jan 11, 2020 | 19 km S of Indios, Puerto Rico | M5.2 | 147 km | 10 km |
| Nov 6, 1996 | 75 km NE of Cruz Bay, U.S. Virgin Islands | M5.1 | 141 km | 22 km |
| Mar 12, 2009 | 66 km N of Brenas, Puerto Rico | M5.1 | 141 km | 15 km |
| Aug 14, 2009 | 92 km N of Suárez, Puerto Rico | M5.1 | 127 km | 47 km |
| May 11, 1996 | 107 km N of Charlotte Amalie, U.S. Virgin Islands | M5.1 | 139 km | 36 km |
| Sep 6, 2004 | 122 km NNE of Vieques, Puerto Rico | M5.1 | 141 km | 14 km |
| Jan 7, 2020 | 7 km SE of Tallaboa, Puerto Rico | M5.0 | 132 km | 10 km |
| Jan 7, 2020 | 14 km S of Tallaboa, Puerto Rico | M5.0 | 137 km | 10 km |
| Jan 9, 1990 | 29 km S of Cruz Bay, U.S. Virgin Islands | M5.0 | 73 km | 33 km |
| May 20, 2009 | 73 km NNE of Vieques, Puerto Rico | M5.0 | 95 km | 19 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
27 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erin | Category 5 | 161 mph | 218 km |
| 2024 | Ernesto | Category 1 | 75 mph | 268 km |
| 2023 | Tammy | Category 1 | 86 mph | 256 km |
| 2022 | Fiona | Category 1 | 86 mph | 133 km |
| 2019 | Dorian | Category 1 | 86 mph | 46 km |
| 2017 | Maria | Category 5 | 173 mph | 39 km |
| 2017 | Irma | Category 5 | 178 mph | 84 km |
| 2017 | Jose | Category 4 | 132 mph | 283 km |
| 2014 | Gonzalo | Category 3 | 115 mph | 185 km |
| 2011 | Irene | Category 1 | 86 mph | 49 km |
| 2010 | Earl | Category 4 | 132 mph | 145 km |
| 2008 | Omar | Category 4 | 132 mph | 122 km |
| 2004 | Frances | Category 4 | 144 mph | 244 km |
| 2004 | Jeanne | Category 1 | — | 275 km |
| 2000 | Debby | Category 1 | 75 mph | 73 km |
| 1999 | Lenny | Category 4 | 155 mph | 108 km |
| 1999 | Jose | Category 1 | 86 mph | 174 km |
| 1998 | Georges | Category 3 | 115 mph | 24 km |
| 1996 | Bertha | Category 3 | 115 mph | 76 km |
| 1996 | Hortense | Category 1 | 81 mph | 128 km |
Source: NOAA IBTrACS (Category 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 | 47 km |
| 1868 | VIRGIN ISLANDS | Earthquake | 1.5 m | — | 37 km |
| 2020 | PUERTO RICO | Earthquake | 0.1 m | 4 | 146 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
6 wildfires (100+ acres) recorded within 100 km. Largest: CAMPAMENTO SANTIAGO (3,927 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | CAMPAMENTO SANTIAGO | 3,927 | 88 km |
| 2007 | UNNAMED | 3,896 | 89 km |
| 2005 | UNNAMED | 1,888 | 83 km |
| 2005 | PISTA DE SALINAS CARR 3 | 1,137 | 93 km |
| 2005 | UNNAMED | 725 | 76 km |
| 2013 | PUERTO NEGRO | 631 | 10 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 2.7 in | Coldest |
| February | 76°F (25°C) | 2.1 in | |
| March | 77°F (25°C) | 2.0 in | Driest |
| April | 78°F (26°C) | 2.4 in | |
| May | 80°F (27°C) | 5.0 in | |
| June | 81°F (27°C) | 4.2 in | |
| July | 82°F (28°C) | 3.8 in | |
| August | 82°F (28°C) | 5.0 in | Warmest |
| September | 81°F (27°C) | 6.3 in | Wettest |
| October | 81°F (27°C) | 5.9 in | |
| November | 79°F (26°C) | 6.3 in | |
| December | 77°F (25°C) | 3.6 in |
Isabel Segunda has a seasonal temperature swing of 6°F / from 76°F in January to 82°F in August. Total annual precipitation is 49.3 inches, with September being the wettest month (6.3") and March the driest (2.0").