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Gros Cailloux, Mauritius

Full City Profile

3,361 Population 2,605/sq mi density
233 ft Elevation 71 meters
77°F Avg Temperature 25°C
Gros Cailloux has a warm climate with an average annual temperature of 77°F (25°C). Winters average 79°F in January while summers reach 74°F in July. The area gets 347 sunny days per year. Annual precipitation totals 46.6 inches. The area receives 0.0 inches of snow annually.

Temperature

79°F Jan (26°C) 74°F Jul (23°C)
Annual Average77.1°F
43% above US avg
January Average79°F (26°C)
July Average74°F (23°C)
Sunny Days347 days/yr

Geography

Elevation233 ft (71 m)
Area1.3 sq mi (3.3 km²)
Population Density2,605/sq mi
Coordinates-20.2072°N, 57.4300°W
TimezoneIndian/Mauritius

Precipitation & Snow

Annual Rainfall 46.6"
23% above US avg
Snowfall 0.0"
Wettest Month (Feb) 10.47"
Driest Month (Sep) 2.13"

Air Quality

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M4.1. Most recent: M0.0 on Feb 27, 2018.

Feb 27, 2018 76 km ENE of Sainte-Rose, Reunion M4.1 128 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

37 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year Name Category Closest
2025 Garance Category 3 202 km
2024 Belal Category 2 154 km
2023 Freddy Category 4 170 km
2022 Batsirai Category 4 171 km
2020 Herold Category 3 280 km
2020 Calvinia Category 1 125 km
2019 Cilida Category 4 258 km
2018 Fakir Category 1 177 km
2015 Bansi Category 4 292 km
2014 Bejisa Category 3 292 km
2012 Giovanna Category 4 289 km
2009 Gael Category 1 286 km
2007 Gamede Category 2 240 km
2005 Hennie Category 1 145 km
2003 Gerry Category 3 133 km
2003 Crystal Category 2 216 km
2002 Guillaume Category 4 153 km
2002 Dina Category 4 86 km
2000 Connie Category 3 256 km
2000 Eline:leone Category 1 193 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 79°F (26°C) 9.6 in Warmest
February 78°F (26°C) 10.5 in Wettest
March 78°F (25°C) 8.5 in
April 76°F (24°C) 7.5 in
May 73°F (23°C) 5.0 in
June 70°F (21°C) 3.2 in
July 74°F (23°C) 3.4 in
August 69°F (20°C) 3.2 in Coldest
September 70°F (21°C) 2.1 in Driest
October 72°F (22°C) 2.2 in
November 74°F (24°C) 3.0 in
December 77°F (25°C) 6.6 in

Gros Cailloux has a seasonal temperature swing of 10°F / from 69°F in August to 79°F in January. Total annual precipitation is 64.7 inches, with February being the wettest month (10.5") and September the driest (2.1").

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