Saint-Jean du Sud, Haiti

Full City Profile

549 Population 5/sq mi density

39 ft Elevation 12 meters

80°F Avg Temperature 27°C

Saint-Jean du Sud has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 82°F in July. The area gets 204 sunny days per year. Annual precipitation totals 73.2 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 82°F Jul (28°C)

Annual Average	79.8°F
	48% above US avg
January Average	77°F (25°C)
July Average	82°F (28°C)
Sunny Days	204 days/yr

Geography

Elevation	39 ft (12 m)
Area	104.2 sq mi (269.8 km²)
Population Density	5/sq mi
Coordinates	18.0761°N, 73.8125°W
Timezone	America/Port-au-Prince

Precipitation & Snow

Annual Rainfall 73.2"

93% above US avg

Snowfall 0.0"

Wettest Month (Oct) 12.99"

Driest Month (Jan) 2.60"

Air Quality

Earthquake History

213 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.2. Most recent: M0.0 on Jun 6, 2023.

Aug 14, 2021	Nippes, Haiti	M7.2	53 km
Jan 12, 2010	10 km SE of Léogâne, Haiti	M7.0	137 km
Jan 12, 2010	4 km SSW of Grangwav, Haiti	M6.0	114 km
Jan 20, 2010	4 km ESE of Tigwav, Haiti	M5.9	111 km
Jan 13, 2010	Haiti region	M5.8	101 km
Aug 15, 2021	15 km NNE of Chardonnière, Haiti	M5.8	46 km
Jan 12, 2010	Haiti region	M5.7	143 km
Jan 13, 2010	5 km SE of Tigwav, Haiti	M5.6	110 km
Jan 13, 2010	1 km SSE of Tigwav, Haiti	M5.6	108 km
Jan 13, 2010	4 km SSW of Tigwav, Haiti	M5.4	104 km
Jan 12, 2010	Haiti region	M5.3	142 km
Jan 24, 2022	4 km S of Anse-à-Veau, Haiti	M5.3	66 km
Jan 13, 2010	12 km S of Tigwav, Haiti	M5.2	101 km
Aug 14, 2021	11 km N of Baradères, Haiti	M5.2	60 km
Jan 13, 2010	8 km SSW of Grangwav, Haiti	M5.2	111 km
Jan 24, 2022	4 km E of Anse-à-Veau, Haiti	M5.1	71 km
Mar 23, 2022	16 km N of Jérémie, Haiti	M5.1	86 km
Jan 13, 2010	10 km SSE of Tigwav, Haiti	M5.1	107 km
Jan 13, 2010	6 km W of Tigwav, Haiti	M5.1	102 km
Aug 14, 2021	10 km WSW of Baradères, Haiti	M5.1	44 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Melissa	Category 4	231 km
2024	Beryl	Category 4	186 km
2024	Oscar	Category 1	247 km
2020	Isaias	Category 1	294 km
2016	Matthew	Category 4	52 km
2012	Sandy	Category 3	285 km
2010	Tomas	Category 1	117 km
2008	Gustav	Category 1	107 km
2007	Dean	Category 4	151 km
2006	Ernesto	Category 1	176 km
2005	Dennis	Category 3	127 km
2004	Ivan	Category 4	229 km
2001	Iris	Category 1	132 km
1998	Georges	Category 1	146 km
1988	Gilbert	Category 4	87 km
1987	Emily	Category 2	265 km
1980	Allen	Category 5	31 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

4 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	142 km
2021	PORT-AU-PRINCE	Earthquake	—	2,248	51 km
1860	ANSE-A-VEAU	Eruption + Earthquake	—	—	69 km
1860	PETIT TROU NIPPES	Earthquake	—	—	62 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	77°F (25°C)	2.6 in	Coldest, Driest
February	77°F (25°C)	2.6 in
March	78°F (26°C)	3.4 in
April	79°F (26°C)	5.7 in
May	80°F (27°C)	10.4 in
June	82°F (28°C)	6.5 in
July	82°F (28°C)	5.8 in
August	82°F (28°C)	7.7 in	Warmest
September	82°F (28°C)	7.8 in
October	81°F (27°C)	13.0 in	Wettest
November	79°F (26°C)	5.0 in
December	78°F (25°C)	2.6 in

Saint-Jean du Sud has a seasonal temperature swing of 6°F / from 77°F in January to 82°F in August. Total annual precipitation is 73.2 inches, with October being the wettest month (13.0") and January the driest (2.6").

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