Postrer Río, Dominican Republic

Full City Profile

3,078 Population 48/sq mi density
52 ft Elevation 16 meters
72°F Avg Temperature 22°C
Postrer Río has a warm climate with an average annual temperature of 72°F (22°C). Winters average 69°F in January while summers reach 74°F in July. Annual precipitation totals 46.5 inches. The area receives 0.0 inches of snow annually.

Temperature

69°F Jan (20°C) 74°F Jul (24°C)
Annual Average71.9°F
33% above US avg
January Average69°F (20°C)
July Average74°F (24°C)

Geography

Elevation52 ft (16 m)
Area63.9 sq mi (165.6 km²)
Population Density48/sq mi
Coordinates18.5437°N, 71.6356°W
TimezoneAmerica/Santo_Domingo

Precipitation & Snow

Annual Rainfall 46.5"
22% above US avg
Snowfall 0.0"
Wettest Month (May) 7.56"
Driest Month (Jan) 0.87"

Air Quality

Earthquake History

232 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M3.9 on Aug 5, 2025.

Jan 12, 2010 10 km SE of Léogâne, Haiti M7.0 99 km
Jan 12, 2010 4 km SSW of Grangwav, Haiti M6.0 122 km
Jan 20, 2010 4 km ESE of Tigwav, Haiti M5.9 126 km
Jan 13, 2010 Haiti region M5.8 135 km
Jan 15, 1992 30 km SSW of Sabana Buey, Dominican Republic M5.7 122 km
Jan 12, 2010 Haiti region M5.7 93 km
Jan 13, 2010 1 km SSE of Tigwav, Haiti M5.6 130 km
Jan 13, 2010 5 km SE of Tigwav, Haiti M5.6 127 km
Jan 5, 2012 5 km NNW of Baní, Dominican Republic M5.5 137 km
Jan 8, 1997 63 km S of Marigot, Haiti M5.4 114 km
Jan 13, 2010 4 km SSW of Tigwav, Haiti M5.4 133 km
Jan 12, 2010 Haiti region M5.3 94 km
Aug 19, 1993 11 km SSW of El Cacao, Dominican Republic M5.3 138 km
Jan 13, 2010 12 km S of Tigwav, Haiti M5.2 134 km
Apr 8, 1993 3 km WNW of Santa Cruz de Barahona, Dominican Republic M5.2 64 km
Jan 13, 2010 8 km SSW of Grangwav, Haiti M5.2 125 km
Aug 10, 1998 11 km NNW of San José de Ocoa, Dominican Republic M5.2 116 km
Jul 7, 2012 4 km SE of Pescadería, Dominican Republic M5.1 62 km
Jan 13, 2010 10 km SSE of Tigwav, Haiti M5.1 129 km
Jan 13, 2010 6 km W of Tigwav, Haiti M5.1 137 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

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

Year Name Category Closest
2024 Beryl Category 4 283 km
2022 Fiona Category 3 245 km
2020 Isaias Category 1 158 km
2017 Irma Category 5 268 km
2016 Matthew Category 4 282 km
2011 Irene Category 2 231 km
2010 Tomas Category 1 262 km
2008 Ike Category 4 276 km
2008 Gustav Category 1 123 km
2007 Dean Category 4 259 km
2006 Ernesto Category 1 215 km
2005 Dennis Category 1 298 km
2004 Jeanne Category 1 279 km
2001 Iris Category 1 192 km
1998 Georges Category 3 47 km
1996 Hortense Category 2 283 km
1988 Gilbert Category 3 198 km
1987 Emily Category 3 53 km
1980 Allen Category 5 208 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
1842 CAP-HAITIAN Earthquake 5.0 m 5,300 147 km
2010 HAITI & DOMINICAN REPUBLIC Eruption + Earthquake 3.2 m 316,000 95 km
1770 PORT-AU-PRINCE Eruption + Earthquake - 200 70 km
1751 AZUA DE COMPOSTELA Earthquake - - 99 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 69°F (20°C) 0.9 in Coldest, Driest
February 69°F (21°C) 1.1 in
March 71°F (21°C) 2.0 in
April 72°F (22°C) 4.1 in
May 73°F (23°C) 7.6 in Wettest
June 74°F (23°C) 4.4 in
July 74°F (24°C) 3.5 in
August 75°F (24°C) 5.6 in Warmest
September 74°F (23°C) 6.3 in
October 73°F (23°C) 7.1 in
November 71°F (22°C) 3.0 in
December 70°F (21°C) 1.1 in

Postrer Río has a seasonal temperature swing of 6°F / from 69°F in January to 75°F in August. Total annual precipitation is 46.5 inches, with May being the wettest month (7.6") and January the driest (0.9").

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