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Weather & Climate in Dennery, Saint Lucia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dennery 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 82.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 62 feet.
Temperature
77°F Jan (25°C)
80°F Jul (27°C)
| Annual Average | 78.9°F |
| 46% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 187 days/yr |
Geography
| Elevation | 62 ft (19 m) |
| Area | 28.0 sq mi (72.6 km²) |
| Population Density | 449/sq mi |
| Coordinates | 13.9141°N, 60.8913°W |
| Timezone | America/St_Lucia |
Precipitation & Snow
Air Quality
Earthquake History
580 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Jun 8, 1999 | 67 km ENE of La Trinité, Martinique | M5.8 | 135 km | 55 km |
| Feb 3, 2017 | 59 km ENE of Sainte-Marie, Martinique | M5.8 | 134 km | 44 km |
| Jul 12, 1990 | Windward Islands | M5.8 | 94 km | 28 km |
| Feb 6, 2008 | 66 km ENE of La Trinité, Martinique | M5.3 | 132 km | 27 km |
| Aug 7, 2011 | 61 km E of Dennery, Saint Lucia | M5.2 | 61 km | 27 km |
| Dec 29, 1995 | 97 km ESE of Le Vauclin, Martinique | M5.2 | 111 km | 57 km |
| Sep 9, 2011 | 20 km NNE of Basse-Pointe, Martinique | M5.0 | 127 km | 150 km |
| Mar 1, 2004 | 42 km NE of Sainte-Marie, Martinique | M4.9 | 127 km | 44 km |
| Dec 25, 2009 | 21 km SSW of Soufrière, Dominica | M4.9 | 139 km | 140 km |
| Oct 20, 1992 | 49 km ENE of La Trinité, Martinique | M4.9 | 122 km | 63 km |
| Oct 31, 1990 | 25 km NE of Le Lorrain, Martinique | M4.9 | 120 km | 72 km |
| Feb 2, 2016 | 47 km ENE of La Trinité, Martinique | M4.9 | 118 km | 47 km |
| Aug 22, 2015 | 71 km ESE of Le Vauclin, Martinique | M4.9 | 94 km | 70 km |
| Mar 25, 2025 | 14 km NNE of Le Lorrain, Martinique | M4.9 | 116 km | 116 km |
| Jan 15, 2020 | 18 km SE of Berekua, Dominica | M4.8 | 136 km | 141 km |
| Jan 8, 2020 | 4 km S of Berekua, Dominica | M4.8 | 150 km | 144 km |
| Sep 13, 2019 | 39 km SSW of Soufrière, Dominica | M4.8 | 133 km | 163 km |
| Dec 30, 2000 | 45 km ENE of Sainte-Marie, Martinique | M4.8 | 122 km | 70 km |
| Apr 8, 1996 | 26 km SW of Soufrière, Dominica | M4.7 | 142 km | 181 km |
| Mar 3, 2012 | 21 km SE of Berekua, Dominica | M4.7 | 135 km | 148 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
12 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 | 167 km |
| 2023 | Tammy | Category 1 | 86 mph | 127 km |
| 2021 | Elsa | Category 1 | 86 mph | 62 km |
| 2017 | Maria | Category 5 | 167 mph | 122 km |
| 2010 | Tomas | Category 2 | 98 mph | 66 km |
| 2007 | Dean | Category 3 | 127 mph | 44 km |
| 2005 | Emily | Category 2 | 98 mph | 234 km |
| 2004 | Ivan | Category 4 | 132 mph | 236 km |
| 1999 | Jose | Category 2 | 92 mph | 239 km |
| 1995 | Marilyn | Category 1 | 92 mph | 99 km |
| 1989 | Hugo | Category 4 | 144 mph | 249 km |
| 1980 | Allen | Category 4 | 144 mph | 37 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 | 105 km |
| 1902 | MOUNT PELEE | Astronomical | 4.0 m | — | 105 km |
| 1902 | MOUNT PELEE | Astronomical | 3.0 m | 1,500 | 105 km |
| 1902 | SOUFRIERE VOLCANO | Astronomical | 1.0 m | 1,680 | 72 km |
| 1902 | FORT-DE-FRANCE | Astronomical | 1.0 m | — | 79 km |
| 1902 | MARTINIQUE | Astronomical | 0.6 m | — | 72 km |
| 2021 | SOUFRIERE VOLCANO | Astronomical | 0.1 m | — | 72 km |
| 1839 | MARTINIQUE | Earthquake | — | 390 | 114 km |
| 1823 | SAINT PIERRE | Earthquake | — | — | 55 km |
| 1767 | MARTINIQUE & BARBADOS | Earthquake | — | — | 55 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Qualibou (20 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Qualibou | Caldera | 777 m (2,549 ft) | 1766 | 20 km |
| Soufriere St. Vincent | Stratovolcano | 1,220 m (4,003 ft) | 1979 | 72 km |
| Pelee | Stratovolcano | 1,394 m (4,573 ft) | 1932 | 104 km |
| Plat Pays, Morne | Stratovolcano | 940 m (3,084 ft) | 1270 | 157 km |
| Watt, Morne | Stratovolcano(es) | 1,224 m (4,016 ft) | 1997 | 161 km |
| Trois Pitons, Morne | Complex | 1,387 m (4,551 ft) | 920 | 169 km |
| Diablotins, Morne | Stratovolcano | 1,430 m (4,692 ft) | Unknown | 185 km |
| Kick 'em Jenny | Submarine | -185 m (-607 ft) | 2017 | 197 km |
| Diables, Morne aux | Lava dome(s) | 861 m (2,825 ft) | Unknown | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 6.2 in | |
| February | 76°F (25°C) | 4.3 in | Coldest |
| March | 77°F (25°C) | 3.4 in | |
| April | 79°F (26°C) | 3.2 in | Driest |
| May | 80°F (27°C) | 4.2 in | |
| June | 80°F (27°C) | 5.9 in | |
| July | 80°F (27°C) | 7.3 in | |
| August | 81°F (27°C) | 9.0 in | Warmest |
| September | 80°F (27°C) | 9.2 in | |
| October | 80°F (27°C) | 11.3 in | Wettest |
| November | 79°F (26°C) | 10.4 in | |
| December | 78°F (25°C) | 7.5 in |
Dennery has a seasonal temperature swing of 4°F / from 76°F in February to 81°F in August. Total annual precipitation is 82.0 inches, with October being the wettest month (11.3") and April the driest (3.2").