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Weather & Climate in Los Llanos, Dominican Republic
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Los Llanos has a warm climate with an average annual temperature of 79°F (26°C). Winters average 75°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 239 sunny days per year, above the national average. Annual precipitation totals 53.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 148 feet.
Temperature
75°F Jan (24°C)
81°F Jul (27°C)
| Annual Average | 78.8°F |
| 46% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 239 days/yr |
Geography
| Elevation | 148 ft (45 m) |
| Area | 243.3 sq mi (630.2 km²) |
| Population Density | 23/sq mi |
| Coordinates | 18.6204°N, 69.4958°W |
| Timezone | America/Santo_Domingo |
Precipitation & Snow
Air Quality
Earthquake History
2,510 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Mar 26, 1991 | 10 km ESE of Cabarete, Dominican Republic | M5.8 | 150 km | 33 km |
| May 28, 2014 | 45 km SE of Boca de Yuma, Dominican Republic | M5.8 | 137 km | 90 km |
| Aug 5, 2025 | 38 km SE of Boca de Yuma, Dominican Republic | M5.7 | 134 km | 168 km |
| Jan 15, 1992 | 30 km SSW of Sabana Buey, Dominican Republic | M5.7 | 136 km | 10 km |
| Jan 5, 2012 | 5 km NNW of Baní, Dominican Republic | M5.5 | 97 km | 40 km |
| Feb 4, 2019 | 27 km SSE of Boca de Yuma, Dominican Republic | M5.3 | 113 km | 74 km |
| Oct 11, 1990 | 11 km ESE of El Puerto, Dominican Republic | M5.3 | 17 km | 101 km |
| Aug 19, 1993 | 11 km SSW of El Cacao, Dominican Republic | M5.3 | 90 km | 23 km |
| Aug 10, 1998 | 11 km NNW of San José de Ocoa, Dominican Republic | M5.2 | 110 km | 58 km |
| Apr 18, 2010 | 28 km SSE of Boca de Yuma, Dominican Republic | M5.1 | 117 km | 85 km |
| Jan 23, 2012 | 11 km S of Río San Juan, Dominican Republic | M5.1 | 119 km | 9 km |
| Apr 24, 1996 | 4 km N of Piedra Blanca, Dominican Republic | M5.1 | 91 km | 83 km |
| Feb 1, 2023 | 33 km S of Matanzas, Dominican Republic | M5.0 | 119 km | 47 km |
| Jun 8, 2007 | 1 km S of Piedra Blanca, Dominican Republic | M5.0 | 90 km | 112 km |
| Jun 14, 2021 | 31 km SSE of Boca de Yuma, Dominican Republic | M5.0 | 119 km | 87 km |
| Mar 4, 2009 | 11 km SSE of Boca de Yuma, Dominican Republic | M5.0 | 105 km | 163 km |
| Jan 19, 2012 | 38 km SSW of Boca de Yuma, Dominican Republic | M5.0 | 100 km | 103 km |
| Feb 14, 2009 | 11 km NNE of Guaymate, Dominican Republic | M5.0 | 61 km | 122 km |
| Jan 18, 1995 | 5 km NNW of Piedra Blanca, Dominican Republic | M5.0 | 93 km | 91 km |
| Oct 29, 2017 | 8 km SSE of San José de Ocoa, Dominican Republic | M4.9 | 105 km | 23 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
16 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Ernesto | Category 1 | 75 mph | 280 km |
| 2022 | Fiona | Category 3 | 115 mph | 62 km |
| 2020 | Isaias | Category 1 | 75 mph | 229 km |
| 2017 | Irma | Category 5 | 167 mph | 183 km |
| 2017 | Maria | Category 3 | 127 mph | 151 km |
| 2011 | Irene | Category 2 | 92 mph | 141 km |
| 2008 | Ike | Category 4 | 132 mph | 298 km |
| 2008 | Gustav | Category 1 | 92 mph | 299 km |
| 2004 | Jeanne | Category 1 | 81 mph | 56 km |
| 2000 | Debby | Category 1 | 75 mph | 176 km |
| 1998 | Georges | Category 3 | 121 mph | 22 km |
| 1996 | Bertha | Category 3 | 115 mph | 264 km |
| 1996 | Hortense | Category 2 | 104 mph | 106 km |
| 1988 | Gilbert | Category 3 | 121 mph | 279 km |
| 1987 | Emily | Category 3 | 127 mph | 132 km |
| 1985 | Kate | Category 1 | 92 mph | 285 km |
Source: NOAA IBTrACS (Category 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 |
| 1946 | NORTHEASTERN COAST | Earthquake | 5.0 m | 1,790 | 87 km |
| 1946 | NORTHEASTERN COAST | Earthquake | 0.6 m | 75 | 98 km |
| 1989 | PUERTO RICO | Earthquake | 0.1 m | - | 81 km |
| 1751 | AZUA DE COMPOSTELA | Earthquake | - | - | 128 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 1.6 in | Coldest, Driest |
| February | 76°F (24°C) | 1.8 in | |
| March | 77°F (25°C) | 2.1 in | |
| April | 79°F (26°C) | 3.5 in | |
| May | 80°F (27°C) | 6.7 in | |
| June | 81°F (27°C) | 5.5 in | |
| July | 81°F (27°C) | 5.4 in | Warmest |
| August | 81°F (27°C) | 6.3 in | |
| September | 81°F (27°C) | 7.2 in | Wettest |
| October | 80°F (27°C) | 6.9 in | |
| November | 78°F (26°C) | 4.0 in | |
| December | 76°F (24°C) | 2.3 in |
Los Llanos has a seasonal temperature swing of 6°F / from 75°F in January to 81°F in July. Total annual precipitation is 53.2 inches, with September being the wettest month (7.2") and January the driest (1.6").