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Weather & Climate in Jolly Harbour, Antigua and Barbuda

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Jolly Harbour 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 252 sunny days per year, above the national average. Annual precipitation totals 46.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 13 feet.

Temperature

77°F Jan (25°C) 82°F Jul (28°C)
Annual Average79.8°F
48% above US avg
January Average77°F (25°C)
July Average82°F (28°C)
Sunny Days252 days/yr

Geography

Elevation13 ft (4 m)
Area32.9 sq mi (85.3 km²)
Population Density26/sq mi
Coordinates17.0662°N, 61.8865°W
TimezoneAmerica/Antigua

Precipitation & Snow

Annual Rainfall 46.1"
21% above US avg
Snowfall 0.0"
Wettest Month (Sep) 6.02"
Driest Month (Feb) 1.89"

Air Quality

Earthquake History

1,078 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.

Jan 20, 2023 40 km WSW of Pointe-Noire, Guadeloupe M6.1 107 km 162 km
Feb 21, 1990 17 km NW of Brades, Montserrat M5.8 50 km 110 km
Mar 26, 2021 65 km NE of Beauséjour, Guadeloupe M5.8 127 km 19 km
Feb 14, 2005 13 km SW of Petites Anses, Guadeloupe M5.8 144 km 12 km
Oct 30, 2000 67 km E of Codrington, Antigua and Barbuda M5.8 97 km 33 km
Jan 5, 2001 21 km SSE of Beauséjour, Guadeloupe M5.7 140 km 33 km
Jun 30, 2003 76 km ESE of Codrington, Antigua and Barbuda M5.7 90 km 33 km
Apr 17, 2017 76 km ESE of Codrington, Antigua and Barbuda M5.6 90 km 16 km
Oct 27, 2000 67 km E of Codrington, Antigua and Barbuda M5.6 94 km 38 km
Jun 25, 1998 29 km ENE of Codrington, Antigua and Barbuda M5.6 81 km 45 km
Feb 23, 2000 111 km ENE of Parham, Antigua and Barbuda M5.5 125 km 33 km
Aug 15, 1994 61 km NE of Beauséjour, Guadeloupe M5.5 127 km 33 km
Jul 23, 1994 30 km NNE of Anse-Bertrand, Guadeloupe M5.5 68 km 68 km
Apr 19, 1991 80 km NE of Beauséjour, Guadeloupe M5.5 140 km 17 km
Nov 18, 1990 26 km NE of Upper Hell's Gate, Bonaire, Saint Eustatius and Saba M5.4 147 km 92 km
Aug 28, 1999 43 km E of Parham, Antigua and Barbuda M5.4 56 km 28 km
Jun 30, 1995 49 km ENE of Codrington, Antigua and Barbuda M5.4 101 km 10 km
Dec 20, 1999 23 km NNE of Piggotts, Antigua and Barbuda M5.4 33 km 59 km
Sep 25, 2001 38 km ESE of Parham, Antigua and Barbuda M5.4 50 km 33 km
Feb 16, 2000 103 km E of Codrington, Antigua and Barbuda M5.4 135 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 283 km
2023 Tammy Category 1 92 mph 52 km
2019 Jerry Category 1 86 mph 242 km
2019 Dorian Category 1 75 mph 286 km
2017 Maria Category 5 173 mph 137 km
2017 Irma Category 5 178 mph 71 km
2017 Jose Category 4 150 mph 141 km
2014 Gonzalo Category 2 104 mph 10 km
2010 Earl Category 4 132 mph 112 km
2008 Omar Category 4 132 mph 236 km
2007 Dean Category 4 127 mph 285 km
2004 Frances Category 4 127 mph 297 km
2000 Debby Category 1 81 mph 52 km
1999 Lenny Category 4 150 mph 119 km
1999 Jose Category 2 98 mph 19 km
1998 Georges Category 4 132 mph 21 km
1997 Erika Category 1 86 mph 200 km
1996 Hortense Category 1 81 mph 279 km
1996 Bertha Category 1 86 mph 49 km
1995 Luis Category 4 144 mph 52 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 — 49 km
1997 WHITE RIVER VALLEY Explosion 3.0 m — 50 km
1999 SOUFRIERE HILLS VOLCANO Astronomical 2.0 m — 49 km
1843 POINTE-A-PITRE Earthquake 1.2 m 5,000 71 km
2006 SOUFRIERE HILLS VOLCANO Astronomical 1.0 m — 49 km
1985 GUADELOUPE Earthquake 0.1 m — 60 km
2005 DOMINICA PASSAGE Earthquake — — 144 km
1690 ANTIGUA; SAINT KITTS AND NEVIS Earthquake — — 63 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

9 volcanoes within 200 km. Closest: Soufriere Hills (50 km).

Name Type Elevation Last Eruption Distance
Soufriere Hills Stratovolcano 915 m (3,002 ft) 2013 50 km
Nevis Peak Stratovolcano 985 m (3,232 ft) Unknown 74 km
Liamuiga Stratovolcano 1,156 m (3,793 ft) 160 103 km
Soufriere Guadeloupe Stratovolcano 1,467 m (4,813 ft) 1977 116 km
Quill, The Stratovolcano 601 m (1,972 ft) 250 123 km
Saba Stratovolcano 887 m (2,910 ft) 1640 156 km
Diables, Morne aux Lava dome(s) 861 m (2,825 ft) Unknown 169 km
Diablotins, Morne Stratovolcano 1,430 m (4,692 ft) Unknown 182 km
Trois Pitons, Morne Complex 1,387 m (4,551 ft) 920 198 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 77°F (25°C) 3.3 in Coldest
February 77°F (25°C) 1.9 in Driest
March 78°F (25°C) 2.1 in
April 79°F (26°C) 2.4 in
May 80°F (27°C) 3.8 in
June 82°F (28°C) 3.4 in
July 82°F (28°C) 3.7 in
August 82°F (28°C) 5.4 in Warmest
September 82°F (28°C) 6.0 in Wettest
October 81°F (27°C) 5.0 in
November 80°F (26°C) 5.0 in
December 78°F (26°C) 4.3 in

Jolly Harbour has a seasonal temperature swing of 5°F / from 77°F in January to 82°F in August. Total annual precipitation is 46.1 inches, with September being the wettest month (6.0") and February the driest (1.9").

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