San Gregorio de Nigua, Dominican Republic

Full City Profile

11,542 Population 416/sq mi density

26 ft Elevation 8 meters

79°F Avg Temperature 26°C

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. The area gets 224 sunny days per year. Annual precipitation totals 61.8 inches. The area receives 0.0 inches of snow annually.

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

Annual Rainfall 61.8"

63% above US avg

Snowfall 0.0"

Wettest Month (May) 8.03"

Driest Month (Feb) 2.01"

Air Quality

Earthquake History

864 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.7. Most recent: M4.4 on Aug 25, 2025.

Jan 15, 1992	30 km SSW of Sabana Buey, Dominican Republic	M5.7	72 km
Jan 5, 2012	5 km NNW of Baní, Dominican Republic	M5.5	33 km
Aug 19, 1993	11 km SSW of El Cacao, Dominican Republic	M5.3	30 km
Oct 11, 1990	11 km ESE of El Puerto, Dominican Republic	M5.3	81 km
Aug 10, 1998	11 km NNW of San José de Ocoa, Dominican Republic	M5.2	59 km
Apr 8, 1993	3 km WNW of Santa Cruz de Barahona, Dominican Republic	M5.2	115 km
Jul 7, 2012	4 km SE of Pescadería, Dominican Republic	M5.1	115 km
Jan 23, 2012	11 km S of Río San Juan, Dominican Republic	M5.1	129 km
Apr 24, 1996	4 km N of Piedra Blanca, Dominican Republic	M5.1	62 km
Jan 18, 1995	5 km NNW of Piedra Blanca, Dominican Republic	M5.0	64 km
Jun 8, 2007	1 km S of Piedra Blanca, Dominican Republic	M5.0	57 km
Feb 14, 2009	11 km NNE of Guaymate, Dominican Republic	M5.0	124 km
Jan 19, 2012	38 km SSW of Boca de Yuma, Dominican Republic	M5.0	142 km
Feb 1, 2023	33 km S of Matanzas, Dominican Republic	M5.0	59 km
Jul 15, 2013	7 km E of San Francisco de Macorís, Dominican Republic	M4.9	102 km
Jul 24, 1994	5 km NE of Cristóbal, Dominican Republic	M4.9	128 km
Jul 30, 1997	29 km SSE of Matanzas, Dominican Republic	M4.9	52 km
Mar 9, 2007	24 km SSW of Boca de Yuma, Dominican Republic	M4.9	141 km
Oct 29, 2017	8 km SSE of San José de Ocoa, Dominican Republic	M4.9	46 km
Jan 1, 1995	8 km W of Samaná, Dominican Republic	M4.8	114 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2022	Fiona	Category 3	120 km
2020	Isaias	Category 1	207 km
2017	Irma	Category 5	230 km
2017	Maria	Category 3	212 km
2011	Irene	Category 1	191 km
2008	Gustav	Category 1	236 km
2007	Dean	Category 5	266 km
2004	Jeanne	Category 1	120 km
2001	Iris	Category 1	281 km
2000	Debby	Category 1	240 km
1998	Georges	Category 3	39 km
1996	Hortense	Category 2	169 km
1988	Gilbert	Category 3	248 km
1987	Emily	Category 3	75 km
1980	Allen	Category 5	280 km

Source: NOAA IBTrACS (Cat 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. Sorted by wave height.

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").

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