Thomassique, Haiti

Full City Profile

4,857 Population 42/sq mi density

965 ft Elevation 294 meters

78°F Avg Temperature 26°C

Thomassique has a warm climate with an average annual temperature of 78°F (26°C). Winters average 75°F in January while summers reach 80°F in July. The area gets 221 sunny days per year. Annual precipitation totals 63.1 inches. The area receives 0.0 inches of snow annually.

Temperature

75°F Jan (24°C) 80°F Jul (27°C)

Annual Average	78.1°F
	45% above US avg
January Average	75°F (24°C)
July Average	80°F (27°C)
Sunny Days	221 days/yr

Geography

Elevation	965 ft (294 m)
Area	115.8 sq mi (299.9 km²)
Population Density	42/sq mi
Coordinates	19.0821°N, 71.8386°W
Timezone	America/Port-au-Prince

Precipitation & Snow

Annual Rainfall 63.1"

66% above US avg

Snowfall 0.0"

Wettest Month (May) 11.26"

Driest Month (Jan) 0.67"

Air Quality

Earthquake History

254 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M0.0 on Aug 7, 2025.

Jan 12, 2010	10 km SE of Léogâne, Haiti	M7.0	105 km
Sep 22, 2003	2 km SE of Puerto Plata, Dominican Republic	M6.4	145 km
Jan 12, 2010	4 km SSW of Grangwav, Haiti	M6.0	126 km
Jan 20, 2010	4 km ESE of Tigwav, Haiti	M5.9	127 km
Jan 13, 2010	Haiti region	M5.8	137 km
Jan 12, 2010	Haiti region	M5.7	100 km
Jul 12, 1994	3 km N of Guananico, Dominican Republic	M5.6	122 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	128 km
Mar 2, 1994	0 km N of Fond Bassin Bleu, Haiti	M5.4	129 km
Jan 13, 2010	4 km SSW of Tigwav, Haiti	M5.4	134 km
Jan 12, 2010	Haiti region	M5.3	104 km
Apr 8, 1993	3 km WNW of Santa Cruz de Barahona, Dominican Republic	M5.2	121 km
Jan 13, 2010	12 km S of Tigwav, Haiti	M5.2	139 km
Aug 10, 1998	11 km NNW of San José de Ocoa, Dominican Republic	M5.2	145 km
Jan 13, 2010	8 km SSW of Grangwav, Haiti	M5.2	130 km
Jul 7, 2012	4 km SE of Pescadería, Dominican Republic	M5.1	119 km
Jan 13, 2010	10 km SSE of Tigwav, Haiti	M5.1	134 km
Jan 13, 2010	6 km W of Tigwav, Haiti	M5.1	135 km
Jan 13, 2010	4 km W of Grangwav, Haiti	M5.1	126 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	Oscar	Category 1	242 km
2022	Fiona	Category 3	218 km
2020	Isaias	Category 1	113 km
2017	Irma	Category 5	216 km
2017	Maria	Category 3	267 km
2016	Matthew	Category 4	260 km
2011	Irene	Category 3	186 km
2010	Tomas	Category 1	211 km
2008	Ike	Category 4	214 km
2008	Hanna	Category 1	273 km
2008	Gustav	Category 1	149 km
2006	Ernesto	Category 1	259 km
2001	Iris	Category 1	246 km
1998	Georges	Category 3	29 km
1996	Hortense	Category 2	265 km
1988	Gilbert	Category 3	243 km
1987	Emily	Category 3	37 km
1985	Kate	Category 2	280 km
1980	Allen	Category 5	243 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	83 km
2010	HAITI & DOMINICAN REPUBLIC	Eruption + Earthquake	3.2 m	316,000	101 km
1770	PORT-AU-PRINCE	Eruption + Earthquake	—	200	81 km
1751	AZUA DE COMPOSTELA	Earthquake	—	—	136 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	75°F (24°C)	0.7 in	Coldest, Driest
February	76°F (25°C)	1.0 in
March	77°F (25°C)	1.9 in
April	78°F (26°C)	5.4 in
May	79°F (26°C)	11.3 in	Wettest
June	80°F (27°C)	8.2 in
July	80°F (27°C)	6.7 in
August	81°F (27°C)	7.4 in	Warmest
September	80°F (27°C)	8.9 in
October	79°F (26°C)	8.1 in
November	77°F (25°C)	2.8 in
December	75°F (24°C)	0.9 in

Thomassique has a seasonal temperature swing of 6°F / from 75°F in January to 81°F in August. Total annual precipitation is 63.1 inches, with May being the wettest month (11.3") and January the driest (0.7").

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