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Sandy Ground, Saint Martin

Full City Profile

3,493 Population 170/sq mi density
13 ft Elevation 4 meters
80°F Avg Temperature 27°C
Sandy Ground 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. The area gets 263 sunny days per year. Annual precipitation totals 40.2 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 82°F Jul (28°C)
Annual Average79.7°F
48% above US avg
January Average77°F (25°C)
July Average82°F (28°C)
Sunny Days263 days/yr

Geography

Elevation13 ft (4 m)
Area20.5 sq mi (53.2 km²)
Population Density170/sq mi
Coordinates18.0585°N, 63.0994°W
TimezoneAmerica/Marigot

Precipitation & Snow

Annual Rainfall 40.2"
6% above US avg
Snowfall 0.0"
Wettest Month (Nov) 5.31"
Driest Month (Mar) 1.81"

Air Quality

Earthquake History

1,317 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.5. Most recent: M0.0 on Aug 5, 2025.

Mar 17, 1997 90 km NNE of The Valley, Anguilla M5.5 109 km
Jan 24, 2021 76 km E of Cruz Bay, U.S. Virgin Islands M5.4 105 km
Nov 18, 1990 26 km NE of Upper Hell's Gate, Bonaire, Saint Eustatius and Saba M5.4 30 km
Dec 8, 1998 95 km NE of Cruz Bay, U.S. Virgin Islands M5.4 131 km
Oct 1, 2002 65 km N of The Valley, Anguilla M5.3 84 km
Apr 30, 2013 Leeward Islands M5.3 116 km
Oct 27, 1990 26 km WNW of Sandy Ground Village, Anguilla M5.2 36 km
Oct 18, 1990 35 km W of Codrington, Antigua and Barbuda M5.2 109 km
Feb 9, 2018 111 km N of Codrington, Antigua and Barbuda M5.2 135 km
Jun 17, 2022 26 km NNE of The Valley, Anguilla M5.1 45 km
Mar 3, 2006 113 km NNW of Sandy Ground Village, Anguilla M5.1 127 km
Jan 21, 2011 35 km SW of Oranjestad, Bonaire, Saint Eustatius and Saba M5.0 92 km
Apr 21, 1994 29 km SE of Blowing Point Village, Anguilla M5.0 24 km
Jul 4, 2012 13 km ESE of Blowing Point Village, Anguilla M5.0 14 km
Feb 2, 2011 38 km SW of The Bottom, Bonaire, Saint Eustatius and Saba M5.0 88 km
Apr 19, 2014 69 km ESE of The Valley, Anguilla M5.0 69 km
Oct 7, 1990 99 km NE of The Valley, Anguilla M4.9 116 km
Sep 25, 2000 121 km NNE of The Valley, Anguilla M4.9 140 km
Feb 25, 2010 54 km NW of Codrington, Antigua and Barbuda M4.9 94 km
Mar 30, 2004 38 km WSW of Codrington, Antigua and Barbuda M4.9 116 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

20 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year Name Category Closest
2025 Erin Category 5 185 km
2023 Tammy Category 1 69 km
2019 Jerry Category 1 237 km
2019 Dorian Category 1 154 km
2017 Maria Category 5 164 km
2017 Irma Category 5 5 km
2017 Jose Category 4 134 km
2014 Gonzalo Category 3 12 km
2011 Irene Category 1 296 km
2010 Earl Category 4 49 km
2008 Omar Category 4 86 km
2004 Frances Category 4 207 km
2000 Debby Category 1 36 km
1999 Lenny Category 4 5 km
1999 Jose Category 2 21 km
1998 Georges Category 3 90 km
1997 Erika Category 2 165 km
1996 Hortense Category 1 252 km
1996 Bertha Category 1 43 km
1995 Luis Category 4 39 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 0.1 m (0 ft).

Year Location Cause Max Wave Deaths Distance
1985 GUADELOUPE Earthquake 0.1 m — 135 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Saba (50 km).

Name Type Elevation Last Eruption Distance
Saba Stratovolcano 887 m (2,910 ft) 1640 50 km
Quill, The Stratovolcano 601 m (1,972 ft) 250 66 km
Liamuiga Stratovolcano 1,156 m (3,793 ft) 160 83 km
Nevis Peak Stratovolcano 985 m (3,232 ft) Unknown 115 km
Soufriere Hills Stratovolcano 915 m (3,002 ft) 2013 178 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 77°F (25°C) 2.5 in Coldest
February 77°F (25°C) 2.0 in
March 78°F (25°C) 1.8 in Driest
April 79°F (26°C) 2.4 in
May 80°F (27°C) 3.7 in
June 81°F (27°C) 2.5 in
July 82°F (28°C) 2.7 in
August 82°F (28°C) 3.9 in Warmest
September 82°F (28°C) 5.1 in
October 81°F (27°C) 4.6 in
November 80°F (26°C) 5.3 in Wettest
December 78°F (26°C) 3.7 in

Sandy Ground has a seasonal temperature swing of 5°F / from 77°F in January to 82°F in August. Total annual precipitation is 40.2 inches, with November being the wettest month (5.3") and March the driest (1.8").

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