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Weather & Climate in San Gregorio de Nigua, Dominican Republic
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Gregorio de Nigua has a warm climate with an average annual temperature of 79°F (26°C). Winters average 76°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 224 sunny days per year, above the national average. Annual precipitation totals 61.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 26 feet.
Temperature
76°F Jan (24°C)
81°F Jul (27°C)
| Annual Average | 78.6°F |
| 46% above US avg | |
| January Average | 76°F (24°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 224 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 27.8 sq mi (71.9 km²) |
| Population Density | 416/sq mi |
| Coordinates | 18.3834°N, 70.0524°W |
| Timezone | America/Santo_Domingo |
Precipitation & Snow
Air Quality
Earthquake History
864 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Jan 15, 1992 | 30 km SSW of Sabana Buey, Dominican Republic | M5.7 | 72 km | 10 km |
| Jan 5, 2012 | 5 km NNW of Baní, Dominican Republic | M5.5 | 33 km | 40 km |
| Aug 19, 1993 | 11 km SSW of El Cacao, Dominican Republic | M5.3 | 30 km | 23 km |
| Oct 11, 1990 | 11 km ESE of El Puerto, Dominican Republic | M5.3 | 81 km | 101 km |
| Aug 10, 1998 | 11 km NNW of San José de Ocoa, Dominican Republic | M5.2 | 59 km | 58 km |
| Apr 8, 1993 | 3 km WNW of Santa Cruz de Barahona, Dominican Republic | M5.2 | 115 km | 13 km |
| Jul 7, 2012 | 4 km SE of Pescadería, Dominican Republic | M5.1 | 115 km | 27 km |
| Jan 23, 2012 | 11 km S of Río San Juan, Dominican Republic | M5.1 | 129 km | 9 km |
| Apr 24, 1996 | 4 km N of Piedra Blanca, Dominican Republic | M5.1 | 62 km | 83 km |
| Jan 18, 1995 | 5 km NNW of Piedra Blanca, Dominican Republic | M5.0 | 64 km | 91 km |
| Jun 8, 2007 | 1 km S of Piedra Blanca, Dominican Republic | M5.0 | 57 km | 112 km |
| Feb 14, 2009 | 11 km NNE of Guaymate, Dominican Republic | M5.0 | 124 km | 122 km |
| Jan 19, 2012 | 38 km SSW of Boca de Yuma, Dominican Republic | M5.0 | 142 km | 103 km |
| Feb 1, 2023 | 33 km S of Matanzas, Dominican Republic | M5.0 | 59 km | 47 km |
| Jul 15, 2013 | 7 km E of San Francisco de Macorís, Dominican Republic | M4.9 | 102 km | 38 km |
| Jul 24, 1994 | 5 km NE of Cristóbal, Dominican Republic | M4.9 | 128 km | 33 km |
| Jul 30, 1997 | 29 km SSE of Matanzas, Dominican Republic | M4.9 | 52 km | 10 km |
| Mar 9, 2007 | 24 km SSW of Boca de Yuma, Dominican Republic | M4.9 | 141 km | 97 km |
| Oct 29, 2017 | 8 km SSE of San José de Ocoa, Dominican Republic | M4.9 | 46 km | 23 km |
| Jan 1, 1995 | 8 km W of Samaná, Dominican Republic | M4.8 | 114 km | 42 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
15 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Fiona | Category 3 | 115 mph | 120 km |
| 2020 | Isaias | Category 1 | 81 mph | 207 km |
| 2017 | Irma | Category 5 | 167 mph | 230 km |
| 2017 | Maria | Category 3 | 127 mph | 212 km |
| 2011 | Irene | Category 1 | 92 mph | 191 km |
| 2008 | Gustav | Category 1 | 92 mph | 236 km |
| 2007 | Dean | Category 5 | 150 mph | 266 km |
| 2004 | Jeanne | Category 1 | 81 mph | 120 km |
| 2001 | Iris | Category 1 | 75 mph | 281 km |
| 2000 | Debby | Category 1 | 75 mph | 240 km |
| 1998 | Georges | Category 3 | 121 mph | 39 km |
| 1996 | Hortense | Category 2 | 104 mph | 169 km |
| 1988 | Gilbert | Category 3 | 121 mph | 248 km |
| 1987 | Emily | Category 3 | 127 mph | 75 km |
| 1980 | Allen | Category 5 | 178 mph | 280 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 |
| 1946 | NORTHEASTERN COAST | Earthquake | 5.0 m | 1,790 | 147 km |
| 1946 | NORTHEASTERN COAST | Earthquake | 0.6 m | 75 | 137 km |
| 1989 | PUERTO RICO | Earthquake | 0.1 m | — | 145 km |
| 1751 | AZUA DE COMPOSTELA | Earthquake | — | — | 70 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (24°C) | 2.2 in | Coldest |
| February | 76°F (24°C) | 2.0 in | Driest |
| March | 78°F (25°C) | 2.2 in | |
| April | 79°F (26°C) | 3.5 in | |
| May | 80°F (26°C) | 8.0 in | Wettest |
| June | 80°F (27°C) | 7.2 in | |
| July | 81°F (27°C) | 6.9 in | Warmest |
| August | 81°F (27°C) | 7.8 in | |
| September | 81°F (27°C) | 7.5 in | |
| October | 80°F (27°C) | 7.6 in | |
| November | 78°F (26°C) | 4.2 in | |
| December | 76°F (25°C) | 2.7 in |
San Gregorio de Nigua has a seasonal temperature swing of 5°F / from 76°F in January to 81°F in July. Total annual precipitation is 61.8 inches, with May being the wettest month (8.0") and February the driest (2.0").