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Weather & Climate in Biabou, Saint Vincent and the Grenadines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Biabou has a warm climate with an average annual temperature of 79°F (26°C). Winters average 77°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 187 sunny days per year. Annual precipitation totals 82.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 79 feet.
Temperature
77°F Jan (25°C)
80°F Jul (27°C)
| Annual Average | 79.1°F |
| 46% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 187 days/yr |
Geography
| Elevation | 79 ft (24 m) |
| Area | 24.9 sq mi (64.6 km²) |
| Population Density | 42/sq mi |
| Coordinates | 13.1943°N, 61.1390°W |
| Timezone | America/St_Vincent |
Precipitation & Snow
Air Quality
Earthquake History
261 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Jun 1, 1994 | 72 km ESE of Grenville, Grenada | M5.4 | 143 km | 73 km |
| Aug 7, 2011 | 61 km E of Dennery, Saint Lucia | M5.2 | 116 km | 27 km |
| Jul 22, 1998 | 88 km ESE of Hillsborough, Grenada | M5.0 | 128 km | 78 km |
| Aug 29, 2017 | 114 km SW of Bridgetown, Barbados | M4.7 | 132 km | 61 km |
| Sep 18, 1998 | 36 km SE of Le Marin, Martinique | M4.7 | 133 km | 85 km |
| Mar 29, 2007 | 49 km NW of Speightstown, Barbados | M4.7 | 136 km | 15 km |
| Feb 18, 2001 | 61 km ESE of Byera Village, Saint Vincent and the Grenadines | M4.6 | 62 km | 35 km |
| May 19, 1990 | 4 km N of Laborie, Saint Lucia | M4.6 | 69 km | 17 km |
| Feb 11, 2012 | 98 km SW of Bridgetown, Barbados | M4.6 | 130 km | 5 km |
| May 14, 2015 | 48 km E of Dennery, Saint Lucia | M4.6 | 116 km | 61 km |
| Apr 9, 2014 | 34 km ESE of Le Marin, Martinique | M4.6 | 146 km | 84 km |
| Apr 25, 2011 | 86 km E of Dennery, Saint Lucia | M4.6 | 146 km | 70 km |
| Aug 21, 1996 | 70 km ESE of Hillsborough, Grenada | M4.5 | 117 km | 79 km |
| Jun 10, 2004 | 48 km ESE of Micoud, Saint Lucia | M4.5 | 89 km | 66 km |
| Sep 20, 1994 | 19 km NE of Georgetown, Saint Vincent and the Grenadines | M4.5 | 28 km | 90 km |
| Mar 8, 2022 | 70 km E of Dennery, Saint Lucia | M4.4 | 133 km | 35 km |
| Feb 27, 2019 | 63 km ESE of Port Elizabeth, Saint Vincent and the Grenadines | M4.4 | 64 km | 70 km |
| May 31, 2004 | 26 km ESE of Port Elizabeth, Saint Vincent and the Grenadines | M4.4 | 37 km | 84 km |
| May 14, 2024 | 86 km E of Dennery, Saint Lucia | M4.4 | 142 km | 52 km |
| Feb 5, 1990 | 16 km NW of Anse La Raye, Saint Lucia | M4.4 | 95 km | 180 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
10 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 | 82 km |
| 2023 | Tammy | Category 1 | 86 mph | 208 km |
| 2021 | Elsa | Category 1 | 86 mph | 23 km |
| 2017 | Maria | Category 5 | 167 mph | 206 km |
| 2010 | Tomas | Category 2 | 98 mph | 19 km |
| 2007 | Dean | Category 3 | 127 mph | 128 km |
| 2005 | Emily | Category 2 | 98 mph | 149 km |
| 2004 | Ivan | Category 4 | 132 mph | 155 km |
| 1995 | Marilyn | Category 1 | 86 mph | 181 km |
| 1980 | Allen | Category 4 | 144 mph | 48 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 1.0 m (3 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1902 | SOUFRIERE VOLCANO | Astronomical | 1.0 m | 1,680 | 16 km |
| 2021 | SOUFRIERE VOLCANO | Astronomical | 0.1 m | — | 16 km |
| 1823 | SAINT PIERRE | Earthquake | — | — | 135 km |
| 1767 | MARTINIQUE & BARBADOS | Earthquake | — | — | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Soufriere St. Vincent (16 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Soufriere St. Vincent | Stratovolcano | 1,220 m (4,003 ft) | 1979 | 16 km |
| Qualibou | Caldera | 777 m (2,549 ft) | 1766 | 71 km |
| Kick 'em Jenny | Submarine | -185 m (-607 ft) | 2017 | 113 km |
| St. Catherine | Stratovolcano | 840 m (2,756 ft) | Unknown | 130 km |
| Pelee | Stratovolcano | 1,394 m (4,573 ft) | 1932 | 180 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 6.6 in | Coldest |
| February | 77°F (25°C) | 4.0 in | |
| March | 78°F (25°C) | 3.3 in | |
| April | 79°F (26°C) | 3.0 in | Driest |
| May | 80°F (27°C) | 4.5 in | |
| June | 80°F (27°C) | 6.7 in | |
| July | 80°F (27°C) | 7.6 in | |
| August | 81°F (27°C) | 8.4 in | |
| September | 81°F (27°C) | 8.8 in | Warmest |
| October | 80°F (27°C) | 9.7 in | |
| November | 79°F (26°C) | 10.8 in | Wettest |
| December | 78°F (25°C) | 8.7 in |
Biabou has a seasonal temperature swing of 4°F / from 77°F in January to 81°F in September. Total annual precipitation is 82.1 inches, with November being the wettest month (10.8") and April the driest (3.0").