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Weather & Climate in San Juan de la Maguana, Dominican Republic
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Juan de la Maguana has a warm climate with an average annual temperature of 75°F (24°C). Winters average 71°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 265 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 39.1 inches. The city sits at an elevation of 1,332 feet.
Temperature
71°F Jan (22°C)
77°F Jul (25°C)
| Annual Average | 75.0°F |
| 39% above US avg | |
| January Average | 71°F (22°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 265 days/yr |
Geography
| Elevation | 1,332 ft (406 m) |
| Area | 301.5 sq mi (780.8 km²) |
| Population Density | 242/sq mi |
| Coordinates | 18.8064°N, 71.2263°W |
| Timezone | America/Santo_Domingo |
Precipitation & Snow
Air Quality
Earthquake History
227 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Jan 12, 2010 | 10 km SE of Léogâne, Haiti | M7.0 | 147 km | 13 km |
| Sep 22, 2003 | 2 km SE of Puerto Plata, Dominican Republic | M6.4 | 123 km | 10 km |
| Mar 26, 1991 | 10 km ESE of Cabarete, Dominican Republic | M5.8 | 140 km | 33 km |
| Jan 15, 1992 | 30 km SSW of Sabana Buey, Dominican Republic | M5.7 | 109 km | 10 km |
| Jan 12, 2010 | Haiti region | M5.7 | 141 km | 10 km |
| Jul 12, 1994 | 3 km N of Guananico, Dominican Republic | M5.6 | 110 km | 33 km |
| Sep 22, 2003 | 17 km N of Sosúa, Dominican Republic | M5.6 | 144 km | 10 km |
| Jan 5, 2012 | 5 km NNW of Baní, Dominican Republic | M5.5 | 106 km | 40 km |
| Aug 19, 1993 | 11 km SSW of El Cacao, Dominican Republic | M5.3 | 103 km | 23 km |
| Jan 12, 2010 | Haiti region | M5.3 | 143 km | 10 km |
| Apr 8, 1993 | 3 km WNW of Santa Cruz de Barahona, Dominican Republic | M5.2 | 66 km | 13 km |
| Aug 10, 1998 | 11 km NNW of San José de Ocoa, Dominican Republic | M5.2 | 74 km | 58 km |
| Jan 23, 2012 | 11 km S of Río San Juan, Dominican Republic | M5.1 | 146 km | 9 km |
| Jul 7, 2012 | 4 km SE of Pescadería, Dominican Republic | M5.1 | 63 km | 27 km |
| Apr 24, 1996 | 4 km N of Piedra Blanca, Dominican Republic | M5.1 | 96 km | 83 km |
| Feb 1, 2023 | 33 km S of Matanzas, Dominican Republic | M5.0 | 131 km | 47 km |
| Jan 13, 2010 | 8 km SE of Gressier, Haiti | M5.0 | 136 km | 10 km |
| Jan 18, 1995 | 5 km NNW of Piedra Blanca, Dominican Republic | M5.0 | 95 km | 91 km |
| Jun 8, 2007 | 1 km S of Piedra Blanca, Dominican Republic | M5.0 | 96 km | 112 km |
| Oct 28, 2003 | 2 km SW of Puerto Plata, Dominican Republic | M4.9 | 121 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
18 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Oscar | Category 1 | 86 mph | 295 km |
| 2022 | Fiona | Category 3 | 115 mph | 193 km |
| 2020 | Isaias | Category 1 | 81 mph | 122 km |
| 2017 | Irma | Category 5 | 167 mph | 228 km |
| 2017 | Maria | Category 3 | 127 mph | 256 km |
| 2011 | Irene | Category 2 | 109 mph | 189 km |
| 2010 | Tomas | Category 1 | 81 mph | 282 km |
| 2008 | Ike | Category 4 | 132 mph | 256 km |
| 2008 | Gustav | Category 1 | 92 mph | 172 km |
| 2007 | Dean | Category 4 | 138 mph | 296 km |
| 2006 | Ernesto | Category 1 | 75 mph | 263 km |
| 2004 | Jeanne | Category 1 | 81 mph | 234 km |
| 2001 | Iris | Category 1 | 86 mph | 236 km |
| 1998 | Georges | Category 3 | 121 mph | 21 km |
| 1996 | Hortense | Category 2 | 104 mph | 231 km |
| 1988 | Gilbert | Category 3 | 127 mph | 238 km |
| 1987 | Emily | Category 3 | 127 mph | 36 km |
| 1980 | Allen | Category 5 | 173 mph | 259 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1842 | CAP-HAITIAN | Earthquake | 5.0 m | 5,300 | 147 km |
| 2010 | HAITI & DOMINICAN REPUBLIC | Eruption + Earthquake | 3.2 m | 316,000 | 143 km |
| 1770 | PORT-AU-PRINCE | Eruption + Earthquake | — | 200 | 118 km |
| 1751 | AZUA DE COMPOSTELA | Earthquake | — | — | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (22°C) | 0.5 in | Coldest, Driest |
| February | 73°F (23°C) | 0.7 in | |
| March | 74°F (23°C) | 1.4 in | |
| April | 75°F (24°C) | 3.4 in | |
| May | 76°F (24°C) | 6.1 in | Wettest |
| June | 77°F (25°C) | 4.0 in | |
| July | 77°F (25°C) | 3.6 in | |
| August | 77°F (25°C) | 5.0 in | Warmest |
| September | 77°F (25°C) | 5.8 in | |
| October | 76°F (24°C) | 5.6 in | |
| November | 74°F (23°C) | 2.3 in | |
| December | 72°F (22°C) | 0.8 in |
San Juan de la Maguana has a seasonal temperature swing of 6°F / from 71°F in January to 77°F in August. Total annual precipitation is 39.1 inches, with May being the wettest month (6.1") and January the driest (0.5").