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Weather & Climate in Falmouth, Antigua and Barbuda
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Falmouth has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.3 inches. The city sits at an elevation of 82 feet.
Temperature
77°F Jan (25°C)
82°F Jul (28°C)
| Annual Average | 79.9°F |
| 48% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 82 ft (25 m) |
| Area | 16.9 sq mi (43.7 km²) |
| Population Density | 37/sq mi |
| Coordinates | 17.0274°N, 61.7814°W |
| Timezone | America/Antigua |
Precipitation & Snow
Air Quality
Earthquake History
1,175 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| Jan 20, 2023 | 40 km WSW of Pointe-Noire, Guadeloupe | M6.1 | 106 km | 162 km |
| Feb 14, 2005 | 13 km SW of Petites Anses, Guadeloupe | M5.8 | 139 km | 12 km |
| Mar 26, 2021 | 65 km NE of Beauséjour, Guadeloupe | M5.8 | 115 km | 19 km |
| Feb 21, 1990 | 17 km NW of Brades, Montserrat | M5.8 | 60 km | 110 km |
| Oct 30, 2000 | 67 km E of Codrington, Antigua and Barbuda | M5.8 | 92 km | 33 km |
| Jun 30, 2003 | 76 km ESE of Codrington, Antigua and Barbuda | M5.7 | 83 km | 33 km |
| Jan 5, 2001 | 21 km SSE of Beauséjour, Guadeloupe | M5.7 | 129 km | 33 km |
| Oct 27, 2000 | 67 km E of Codrington, Antigua and Barbuda | M5.6 | 89 km | 38 km |
| Jun 25, 1998 | 29 km ENE of Codrington, Antigua and Barbuda | M5.6 | 82 km | 45 km |
| Apr 17, 2017 | 76 km ESE of Codrington, Antigua and Barbuda | M5.6 | 83 km | 16 km |
| Apr 19, 1991 | 80 km NE of Beauséjour, Guadeloupe | M5.5 | 128 km | 17 km |
| Aug 15, 1994 | 61 km NE of Beauséjour, Guadeloupe | M5.5 | 115 km | 33 km |
| Jul 23, 1994 | 30 km NNE of Anse-Bertrand, Guadeloupe | M5.5 | 56 km | 68 km |
| Feb 23, 2000 | 111 km ENE of Parham, Antigua and Barbuda | M5.5 | 115 km | 33 km |
| Sep 25, 2001 | 38 km ESE of Parham, Antigua and Barbuda | M5.4 | 39 km | 33 km |
| Mar 1, 1990 | 48 km NNE of Beauséjour, Guadeloupe | M5.4 | 95 km | 42 km |
| Aug 28, 1999 | 43 km E of Parham, Antigua and Barbuda | M5.4 | 46 km | 28 km |
| Jun 30, 1995 | 49 km ENE of Codrington, Antigua and Barbuda | M5.4 | 100 km | 10 km |
| Dec 20, 1999 | 23 km NNE of Piggotts, Antigua and Barbuda | M5.4 | 33 km | 59 km |
| Feb 16, 2000 | 103 km E of Codrington, Antigua and Barbuda | M5.4 | 130 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erin | Category 4 | 150 mph | 288 km |
| 2023 | Tammy | Category 1 | 92 mph | 41 km |
| 2019 | Jerry | Category 1 | 86 mph | 239 km |
| 2019 | Dorian | Category 1 | 75 mph | 298 km |
| 2017 | Maria | Category 5 | 173 mph | 137 km |
| 2017 | Irma | Category 5 | 178 mph | 75 km |
| 2017 | Jose | Category 4 | 150 mph | 140 km |
| 2014 | Gonzalo | Category 2 | 104 mph | 8 km |
| 2010 | Earl | Category 4 | 132 mph | 110 km |
| 2008 | Omar | Category 4 | 132 mph | 245 km |
| 2007 | Dean | Category 4 | 127 mph | 284 km |
| 2004 | Frances | Category 4 | 127 mph | 300 km |
| 2000 | Debby | Category 1 | 81 mph | 53 km |
| 1999 | Lenny | Category 4 | 150 mph | 130 km |
| 1999 | Jose | Category 2 | 98 mph | 12 km |
| 1998 | Georges | Category 4 | 132 mph | 9 km |
| 1997 | Erika | Category 1 | 86 mph | 198 km |
| 1996 | Hortense | Category 1 | 81 mph | 288 km |
| 1996 | Bertha | Category 1 | 86 mph | 53 km |
| 1995 | Luis | Category 4 | 144 mph | 53 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2003 | SOUFRIERE HILLS VOLCANO | Astronomical | 4.0 m | — | 54 km |
| 1997 | WHITE RIVER VALLEY | Explosion | 3.0 m | — | 55 km |
| 1999 | SOUFRIERE HILLS VOLCANO | Astronomical | 2.0 m | — | 54 km |
| 1843 | POINTE-A-PITRE | Earthquake | 1.2 m | 5,000 | 74 km |
| 2006 | SOUFRIERE HILLS VOLCANO | Astronomical | 1.0 m | — | 54 km |
| 1985 | GUADELOUPE | Earthquake | 0.1 m | — | 71 km |
| 2005 | DOMINICA PASSAGE | Earthquake | — | — | 139 km |
| 1690 | ANTIGUA; SAINT KITTS AND NEVIS | Earthquake | — | — | 60 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Soufriere Hills (55 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Soufriere Hills | Stratovolcano | 915 m (3,002 ft) | 2013 | 55 km |
| Nevis Peak | Stratovolcano | 985 m (3,232 ft) | Unknown | 86 km |
| Soufriere Guadeloupe | Stratovolcano | 1,467 m (4,813 ft) | 1977 | 110 km |
| Liamuiga | Stratovolcano | 1,156 m (3,793 ft) | 160 | 115 km |
| Quill, The | Stratovolcano | 601 m (1,972 ft) | 250 | 135 km |
| Diables, Morne aux | Lava dome(s) | 861 m (2,825 ft) | Unknown | 162 km |
| Saba | Stratovolcano | 887 m (2,910 ft) | 1640 | 168 km |
| Diablotins, Morne | Stratovolcano | 1,430 m (4,692 ft) | Unknown | 174 km |
| Trois Pitons, Morne | Complex | 1,387 m (4,551 ft) | 920 | 191 km |
| Watt, Morne | Stratovolcano(es) | 1,224 m (4,016 ft) | 1997 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 2.9 in | Coldest |
| February | 77°F (25°C) | 1.6 in | Driest |
| March | 78°F (26°C) | 1.9 in | |
| April | 79°F (26°C) | 2.3 in | |
| May | 81°F (27°C) | 3.7 in | |
| June | 82°F (28°C) | 3.2 in | |
| July | 82°F (28°C) | 3.5 in | |
| August | 82°F (28°C) | 5.1 in | Warmest |
| September | 82°F (28°C) | 5.7 in | Wettest |
| October | 81°F (27°C) | 4.8 in | |
| November | 80°F (27°C) | 5.0 in | |
| December | 78°F (26°C) | 3.8 in |
Falmouth has a seasonal temperature swing of 5°F / from 77°F in January to 82°F in August. Total annual precipitation is 43.3 inches, with September being the wettest month (5.7") and February the driest (1.6").