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Grangwav, Haiti

Full City Profile

49,288 Population 466/sq mi density
75 ft Elevation 23 meters
75°F Avg Temperature 24°C
Grangwav has a warm climate with an average annual temperature of 75°F (24°C). Winters average 72°F in January while summers reach 78°F in July. The area gets 234 sunny days per year. Annual precipitation totals 56.4 inches. The area receives 0.0 inches of snow annually.

Temperature

72°F Jan (22°C) 78°F Jul (26°C)
Annual Average75.4°F
40% above US avg
January Average72°F (22°C)
July Average78°F (26°C)
Sunny Days234 days/yr

Geography

Elevation75 ft (23 m)
Area105.7 sq mi (273.7 km²)
Population Density466/sq mi
Coordinates18.4259°N, 72.7700°W
TimezoneAmerica/Port-au-Prince

Precipitation & Snow

Annual Rainfall 56.4"
48% above US avg
Snowfall 0.0"
Wettest Month (May) 8.43"
Driest Month (Dec) 1.02"

Air Quality

Earthquake History

245 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.2. Most recent: M0.0 on Aug 5, 2025.

Aug 14, 2021 Nippes, Haiti M7.2 75 km
Jan 12, 2010 10 km SE of Léogâne, Haiti M7.0 21 km
Jan 12, 2010 4 km SSW of Grangwav, Haiti M6.0 5 km
Jan 20, 2010 4 km ESE of Tigwav, Haiti M5.9 6 km
Jan 13, 2010 Haiti region M5.8 16 km
Aug 15, 2021 15 km NNE of Chardonnière, Haiti M5.8 139 km
Jan 12, 2010 Haiti region M5.7 27 km
Jan 13, 2010 1 km SSE of Tigwav, Haiti M5.6 10 km
Jan 13, 2010 5 km SE of Tigwav, Haiti M5.6 6 km
Jan 8, 1997 63 km S of Marigot, Haiti M5.4 103 km
Jan 13, 2010 4 km SSW of Tigwav, Haiti M5.4 13 km
Jan 12, 2010 Haiti region M5.3 27 km
Jan 24, 2022 4 km S of Anse-à-Veau, Haiti M5.3 60 km
Jan 13, 2010 8 km SSW of Grangwav, Haiti M5.2 9 km
Aug 14, 2021 11 km N of Baradères, Haiti M5.2 91 km
Jan 13, 2010 12 km S of Tigwav, Haiti M5.2 17 km
Jan 24, 2022 4 km E of Anse-à-Veau, Haiti M5.1 56 km
Jan 13, 2010 4 km W of Grangwav, Haiti M5.1 5 km
Jan 13, 2010 6 km W of Tigwav, Haiti M5.1 17 km
Aug 14, 2021 10 km WSW of Baradères, Haiti M5.1 102 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
2024 Beryl Category 4 249 km
2024 Oscar Category 1 264 km
2020 Isaias Category 1 213 km
2016 Matthew Category 4 161 km
2010 Tomas Category 1 192 km
2008 Ike Category 4 286 km
2008 Gustav Category 1 36 km
2007 Dean Category 4 214 km
2006 Ernesto Category 1 170 km
2005 Dennis Category 2 235 km
2001 Iris Category 1 173 km
1998 Georges Category 2 75 km
1988 Gilbert Category 3 148 km
1987 Emily Category 3 148 km
1980 Allen Category 5 129 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 3.2 m (11 ft).

Year Location Cause Max Wave Deaths Distance
2010 HAITI & DOMINICAN REPUBLIC Eruption + Earthquake 3.2 m 316,000 25 km
2021 PORT-AU-PRINCE Earthquake 2,248 74 km
1860 ANSE-A-VEAU Eruption + Earthquake 62 km
1860 PETIT TROU NIPPES Earthquake 78 km
1770 PORT-AU-PRINCE Eruption + Earthquake 200 50 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 72°F (22°C) 1.3 in Coldest
February 73°F (23°C) 1.7 in
March 74°F (23°C) 2.6 in
April 75°F (24°C) 5.4 in
May 76°F (24°C) 8.4 in Wettest
June 78°F (25°C) 5.4 in
July 78°F (26°C) 5.1 in
August 78°F (26°C) 7.0 in Warmest
September 78°F (25°C) 6.9 in
October 77°F (25°C) 8.4 in
November 75°F (24°C) 3.2 in
December 73°F (23°C) 1.0 in Driest

Grangwav has a seasonal temperature swing of 6°F / from 72°F in January to 78°F in August. Total annual precipitation is 56.4 inches, with May being the wettest month (8.4") and December the driest (1.0").

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