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Weather & Climate in Grand'Rivière, Martinique
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grand'Rivière has a warm climate with an average annual temperature of 77°F (25°C). Winters average 74°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 201 sunny days per year. Annual precipitation totals 74.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 26 feet.
Temperature
74°F Jan (23°C)
78°F Jul (26°C)
| Annual Average | 76.6°F |
| 42% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 201 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 10.8 sq mi (27.9 km²) |
| Population Density | 62/sq mi |
| Coordinates | 14.8738°N, 61.1795°W |
| Timezone | America/Martinique |
Precipitation & Snow
Air Quality
Earthquake History
1,241 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Feb 3, 2017 | 59 km ENE of Sainte-Marie, Martinique | M5.8 | 74 km | 44 km |
| Jul 12, 1990 | Windward Islands | M5.8 | 82 km | 28 km |
| Feb 14, 2005 | 13 km SW of Petites Anses, Guadeloupe | M5.8 | 117 km | 12 km |
| Jun 8, 1999 | 67 km ENE of La Trinité, Martinique | M5.8 | 84 km | 55 km |
| Sep 24, 1996 | 10 km WSW of Soufrière, Dominica | M5.8 | 45 km | 147 km |
| Jan 5, 2001 | 21 km SSE of Beauséjour, Guadeloupe | M5.7 | 139 km | 33 km |
| Oct 18, 2016 | 14 km WSW of Pointe Michel, Dominica | M5.6 | 52 km | 146 km |
| Aug 3, 1992 | 47 km E of Grand-Bourg, Guadeloupe | M5.4 | 119 km | 43 km |
| Feb 6, 2008 | 66 km ENE of La Trinité, Martinique | M5.3 | 84 km | 27 km |
| Aug 7, 2011 | 61 km E of Dennery, Saint Lucia | M5.2 | 144 km | 27 km |
| Dec 29, 1995 | 97 km ESE of Le Vauclin, Martinique | M5.2 | 144 km | 57 km |
| Apr 5, 2001 | 46 km E of Grand-Bourg, Guadeloupe | M5.1 | 119 km | 52 km |
| Feb 8, 2005 | 6 km SSW of Marigot, Dominica | M5.0 | 69 km | 115 km |
| Jan 24, 2010 | 34 km SSE of Beauséjour, Guadeloupe | M5.0 | 131 km | 65 km |
| Sep 9, 2011 | 20 km NNE of Basse-Pointe, Martinique | M5.0 | 23 km | 150 km |
| Nov 27, 1992 | 4 km NE of Grand-Bourg, Guadeloupe | M4.9 | 116 km | 107 km |
| Mar 1, 2004 | 42 km NE of Sainte-Marie, Martinique | M4.9 | 55 km | 44 km |
| Dec 25, 2009 | 21 km SSW of Soufrière, Dominica | M4.9 | 34 km | 140 km |
| Mar 25, 2025 | 14 km NNE of Le Lorrain, Martinique | M4.9 | 21 km | 116 km |
| Jun 14, 2005 | 4 km WSW of Pointe Michel, Dominica | M4.9 | 48 km | 148 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 | 260 km |
| 2023 | Tammy | Category 1 | 92 mph | 82 km |
| 2021 | Elsa | Category 1 | 86 mph | 164 km |
| 2017 | Maria | Category 5 | 167 mph | 48 km |
| 2017 | Irma | Category 5 | 178 mph | 277 km |
| 2017 | Jose | Category 4 | 155 mph | 293 km |
| 2014 | Gonzalo | Category 1 | 75 mph | 239 km |
| 2010 | Tomas | Category 2 | 98 mph | 163 km |
| 2007 | Dean | Category 3 | 127 mph | 76 km |
| 2000 | Debby | Category 1 | 86 mph | 243 km |
| 1999 | Jose | Category 2 | 98 mph | 190 km |
| 1998 | Georges | Category 4 | 132 mph | 212 km |
| 1996 | Bertha | Category 1 | 86 mph | 259 km |
| 1995 | Luis | Category 4 | 144 mph | 266 km |
| 1995 | Marilyn | Category 2 | 92 mph | 43 km |
| 1990 | Klaus | Category 1 | 81 mph | 248 km |
| 1989 | Hugo | Category 4 | 144 mph | 151 km |
| 1980 | Allen | Category 4 | 144 mph | 143 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
10 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1902 | MOUNT PELEE | Explosion | 5.0 m | 23 | 6 km |
| 1902 | MOUNT PELEE | Astronomical | 4.0 m | — | 6 km |
| 1902 | MOUNT PELEE | Astronomical | 3.0 m | 1,500 | 6 km |
| 2004 | BASSE-TERRE, LES SAINTES | Earthquake | 2.0 m | 1 | 106 km |
| 1902 | FORT-DE-FRANCE | Astronomical | 1.0 m | — | 33 km |
| 1902 | MARTINIQUE | Astronomical | 0.6 m | — | 40 km |
| 2005 | DOMINICA PASSAGE | Earthquake | — | — | 117 km |
| 1839 | MARTINIQUE | Earthquake | — | 390 | 62 km |
| 1823 | SAINT PIERRE | Earthquake | — | — | 56 km |
| 1767 | MARTINIQUE & BARBADOS | Earthquake | — | — | 56 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Pelee (7 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Pelee | Stratovolcano | 1,394 m (4,573 ft) | 1932 | 7 km |
| Plat Pays, Morne | Stratovolcano | 940 m (3,084 ft) | 1270 | 46 km |
| Watt, Morne | Stratovolcano(es) | 1,224 m (4,016 ft) | 1997 | 50 km |
| Trois Pitons, Morne | Complex | 1,387 m (4,551 ft) | 920 | 58 km |
| Diablotins, Morne | Stratovolcano | 1,430 m (4,692 ft) | Unknown | 74 km |
| Diables, Morne aux | Lava dome(s) | 861 m (2,825 ft) | Unknown | 86 km |
| Qualibou | Caldera | 777 m (2,549 ft) | 1766 | 117 km |
| Soufriere Guadeloupe | Stratovolcano | 1,467 m (4,813 ft) | 1977 | 140 km |
| Soufriere St. Vincent | Stratovolcano | 1,220 m (4,003 ft) | 1979 | 172 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 4.7 in | Coldest |
| February | 74°F (23°C) | 3.5 in | |
| March | 75°F (24°C) | 2.8 in | Driest |
| April | 76°F (25°C) | 3.1 in | |
| May | 78°F (25°C) | 4.2 in | |
| June | 78°F (26°C) | 6.4 in | |
| July | 78°F (26°C) | 7.1 in | |
| August | 78°F (26°C) | 9.3 in | Warmest |
| September | 78°F (26°C) | 8.5 in | |
| October | 78°F (25°C) | 8.8 in | |
| November | 77°F (25°C) | 10.1 in | Wettest |
| December | 75°F (24°C) | 6.3 in |
Grand'Rivière has a seasonal temperature swing of 5°F / from 74°F in January to 78°F in August. Total annual precipitation is 74.7 inches, with November being the wettest month (10.1") and March the driest (2.8").