Saint-Louis du Sud, Haiti

Full City Profile

1,528 Population 6/sq mi density

39 ft Elevation 12 meters

78°F Avg Temperature 25°C

Saint-Louis du Sud has a warm climate with an average annual temperature of 78°F (26°C). Winters average 74°F in January while summers reach 80°F in July. The area gets 209 sunny days per year. Annual precipitation totals 70.2 inches. The area receives 0.0 inches of snow annually.

Temperature

74°F Jan (24°C) 80°F Jul (27°C)

Annual Average	77.6°F
	44% above US avg
January Average	74°F (24°C)
July Average	80°F (27°C)
Sunny Days	209 days/yr

Geography

Elevation	39 ft (12 m)
Area	259.6 sq mi (672.4 km²)
Population Density	6/sq mi
Coordinates	18.2624°N, 73.5460°W
Timezone	America/Port-au-Prince

Precipitation & Snow

Annual Rainfall 70.2"

85% above US avg

Snowfall 0.0"

Wettest Month (Oct) 12.83"

Driest Month (Jan) 2.20"

Air Quality

Earthquake History

226 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	20 km
Jan 12, 2010	10 km SE of Léogâne, Haiti	M7.0	105 km
Jan 12, 2010	4 km SSW of Grangwav, Haiti	M6.0	82 km
Jan 20, 2010	4 km ESE of Tigwav, Haiti	M5.9	78 km
Jan 13, 2010	Haiti region	M5.8	69 km
Aug 15, 2021	15 km NNE of Chardonnière, Haiti	M5.8	59 km
Jan 12, 2010	Haiti region	M5.7	111 km
Jan 13, 2010	5 km SE of Tigwav, Haiti	M5.6	78 km
Jan 13, 2010	1 km SSE of Tigwav, Haiti	M5.6	74 km
Jan 13, 2010	4 km SSW of Tigwav, Haiti	M5.4	71 km
Feb 16, 2023	37 km WSW of Bombardopolis, Haiti	M5.4	149 km
Jan 12, 2010	Haiti region	M5.3	110 km
Jan 24, 2022	4 km S of Anse-à-Veau, Haiti	M5.3	31 km
Aug 14, 2021	11 km N of Baradères, Haiti	M5.2	37 km
Jan 13, 2010	8 km SSW of Grangwav, Haiti	M5.2	79 km
Jan 13, 2010	12 km S of Tigwav, Haiti	M5.2	70 km
Mar 23, 2022	16 km N of Jérémie, Haiti	M5.1	84 km
Aug 15, 2021	11 km NW of Petit Trou de Nippes, Haiti	M5.1	39 km
Jan 24, 2022	4 km E of Anse-à-Veau, Haiti	M5.1	37 km
Jan 13, 2010	4 km W of Grangwav, Haiti	M5.1	79 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Melissa	Category 3	265 km
2024	Beryl	Category 4	216 km
2024	Oscar	Category 1	238 km
2020	Isaias	Category 1	264 km
2016	Matthew	Category 4	80 km
2010	Tomas	Category 1	131 km
2008	Gustav	Category 1	81 km
2007	Dean	Category 4	181 km
2006	Ernesto	Category 1	176 km
2005	Dennis	Category 3	161 km
2004	Ivan	Category 4	260 km
2001	Iris	Category 1	159 km
1998	Georges	Category 1	118 km
1988	Gilbert	Category 4	108 km
1987	Emily	Category 2	231 km
1980	Allen	Category 5	58 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	109 km
2021	PORT-AU-PRINCE	Earthquake	—	2,248	18 km
1860	ANSE-A-VEAU	Eruption + Earthquake	—	—	35 km
1860	PETIT TROU NIPPES	Earthquake	—	—	32 km
1770	PORT-AU-PRINCE	Eruption + Earthquake	—	200	134 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	74°F (24°C)	2.2 in	Coldest, Driest
February	75°F (24°C)	2.6 in
March	76°F (24°C)	3.3 in
April	77°F (25°C)	5.6 in
May	78°F (26°C)	10.0 in
June	80°F (26°C)	6.3 in
July	80°F (27°C)	5.3 in
August	80°F (27°C)	7.6 in	Warmest
September	80°F (27°C)	7.4 in
October	79°F (26°C)	12.8 in	Wettest
November	77°F (25°C)	4.8 in
December	75°F (24°C)	2.2 in

Saint-Louis du Sud has a seasonal temperature swing of 6°F / from 74°F in January to 80°F in August. Total annual precipitation is 70.2 inches, with October being the wettest month (12.8") and January the driest (2.2").

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