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Weather & Climate in Delmas, Haiti
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Delmas has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 41.7 inches. The city sits at an elevation of 417 feet.
Temperature
77°F Jan (25°C)
83°F Jul (28°C)
| Annual Average | 79.9°F |
| 48% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 417 ft (127 m) |
| Area | 14.1 sq mi (36.4 km²) |
| Population Density | 27,215/sq mi |
| Coordinates | 18.5448°N, 72.3004°W |
| Timezone | America/Port-au-Prince |
Precipitation & Snow
Air Quality
Earthquake History
230 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Aug 14, 2021 | Nippes, Haiti | M7.2 | 125 km | 10 km |
| Jan 12, 2010 | 10 km SE of Léogâne, Haiti | M7.0 | 31 km | 13 km |
| Jan 12, 2010 | 4 km SSW of Grangwav, Haiti | M6.0 | 54 km | 10 km |
| Jan 20, 2010 | 4 km ESE of Tigwav, Haiti | M5.9 | 57 km | 11 km |
| Jan 13, 2010 | Haiti region | M5.8 | 67 km | 10 km |
| Jan 12, 2010 | Haiti region | M5.7 | 25 km | 10 km |
| Jan 13, 2010 | 5 km SE of Tigwav, Haiti | M5.6 | 58 km | 10 km |
| Jan 13, 2010 | 1 km SSE of Tigwav, Haiti | M5.6 | 61 km | 10 km |
| Mar 2, 1994 | 0 km N of Fond Bassin Bleu, Haiti | M5.4 | 149 km | 59 km |
| Jan 13, 2010 | 4 km SSW of Tigwav, Haiti | M5.4 | 64 km | 10 km |
| Jan 8, 1997 | 63 km S of Marigot, Haiti | M5.4 | 98 km | 10 km |
| Jan 12, 2010 | Haiti region | M5.3 | 28 km | 10 km |
| Jan 24, 2022 | 4 km S of Anse-à-Veau, Haiti | M5.3 | 110 km | 10 km |
| Aug 14, 2021 | 11 km N of Baradères, Haiti | M5.2 | 139 km | 9 km |
| Jan 13, 2010 | 12 km S of Tigwav, Haiti | M5.2 | 67 km | 10 km |
| Jan 13, 2010 | 8 km SSW of Grangwav, Haiti | M5.2 | 58 km | 10 km |
| Apr 8, 1993 | 3 km WNW of Santa Cruz de Barahona, Dominican Republic | M5.2 | 128 km | 13 km |
| Jan 24, 2022 | 4 km E of Anse-à-Veau, Haiti | M5.1 | 106 km | 10 km |
| Jan 13, 2010 | 10 km SSE of Tigwav, Haiti | M5.1 | 62 km | 10 km |
| Aug 15, 2021 | 11 km NW of Petit Trou de Nippes, Haiti | M5.1 | 134 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
18 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Beryl | Category 4 | 150 mph | 275 km |
| 2024 | Oscar | Category 1 | 86 mph | 277 km |
| 2022 | Fiona | Category 3 | 115 mph | 295 km |
| 2020 | Isaias | Category 1 | 81 mph | 187 km |
| 2017 | Irma | Category 5 | 167 mph | 289 km |
| 2016 | Matthew | Category 4 | 150 mph | 212 km |
| 2011 | Irene | Category 2 | 92 mph | 262 km |
| 2010 | Tomas | Category 1 | 86 mph | 212 km |
| 2008 | Ike | Category 4 | 132 mph | 275 km |
| 2008 | Gustav | Category 1 | 92 mph | 72 km |
| 2007 | Dean | Category 4 | 150 mph | 241 km |
| 2006 | Ernesto | Category 1 | 75 mph | 188 km |
| 2005 | Dennis | Category 2 | 104 mph | 271 km |
| 2001 | Iris | Category 1 | 86 mph | 183 km |
| 1998 | Georges | Category 2 | 109 mph | 55 km |
| 1988 | Gilbert | Category 3 | 127 mph | 169 km |
| 1987 | Emily | Category 3 | 121 mph | 98 km |
| 1980 | Allen | Category 5 | 178 mph | 167 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
6 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 | 134 km |
| 2010 | HAITI & DOMINICAN REPUBLIC | Eruption + Earthquake | 3.2 m | 316,000 | 26 km |
| 2021 | PORT-AU-PRINCE | Earthquake | - | 2,248 | 125 km |
| 1860 | ANSE-A-VEAU | Eruption + Earthquake | - | - | 111 km |
| 1860 | PETIT TROU NIPPES | Earthquake | - | - | 127 km |
| 1770 | PORT-AU-PRINCE | Eruption + Earthquake | - | 200 | 5 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 0.7 in | Coldest, Driest |
| February | 77°F (25°C) | 1.3 in | |
| March | 78°F (26°C) | 2.1 in | |
| April | 80°F (26°C) | 4.4 in | |
| May | 80°F (27°C) | 6.9 in | Wettest |
| June | 82°F (28°C) | 4.0 in | |
| July | 83°F (28°C) | 3.0 in | Warmest |
| August | 83°F (28°C) | 4.8 in | |
| September | 82°F (28°C) | 5.5 in | |
| October | 81°F (27°C) | 5.6 in | |
| November | 79°F (26°C) | 2.6 in | |
| December | 77°F (25°C) | 0.8 in |
Delmas has a seasonal temperature swing of 6°F / from 77°F in January to 83°F in July. Total annual precipitation is 41.7 inches, with May being the wettest month (6.9") and January the driest (0.7").