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Grand Bois, Mauritius

Full City Profile

7,804 Population 1,451/sq mi density
1,335 ft Elevation 407 meters
74°F Avg Temperature 23°C
Grand Bois has a warm climate with an average annual temperature of 74°F (23°C). Winters average 77°F in January while summers reach 69°F in July. The area gets 353 sunny days per year. Annual precipitation totals 59.6 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 69°F Jul (21°C)
Annual Average74.0°F
37% above US avg
January Average77°F (25°C)
July Average69°F (21°C)
Sunny Days353 days/yr

Geography

Elevation1,335 ft (407 m)
Area5.4 sq mi (13.9 km²)
Population Density1,451/sq mi
Coordinates-20.4189°N, 57.5442°W
TimezoneIndian/Mauritius

Precipitation & Snow

Annual Rainfall 59.6"
57% above US avg
Snowfall 0.0"
Wettest Month (Feb) 10.51"
Driest Month (Oct) 2.48"

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 M4.1 123 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Garance Category 3 214 km
2024 Belal Category 2 138 km
2023 Freddy Category 4 196 km
2022 Batsirai Category 4 197 km
2020 Herold Category 3 289 km
2020 Calvinia Category 1 99 km
2019 Cilida Category 4 258 km
2018 Fakir Category 1 169 km
2014 Bejisa Category 3 288 km
2007 Gamede Category 2 266 km
2005 Hennie Category 1 131 km
2003 Gerry Category 3 151 km
2003 Crystal Category 2 204 km
2002 Guillaume Category 4 141 km
2002 Dina Category 4 112 km
2000 Connie Category 3 281 km
2000 Eline:leone Category 1 218 km
1999 Davina Category 3 32 km
1998 Anacelle Category 4 154 km
1997 Chantelle:daniella Category 2 71 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 77°F (25°C) 9.6 in Warmest
February 77°F (25°C) 10.5 in Wettest
March 76°F (24°C) 8.8 in
April 74°F (23°C) 8.5 in
May 71°F (22°C) 6.2 in
June 68°F (20°C) 4.1 in
July 69°F (21°C) 4.2 in
August 66°F (19°C) 3.9 in Coldest
September 67°F (20°C) 2.6 in
October 70°F (21°C) 2.5 in Driest
November 72°F (22°C) 3.2 in
December 75°F (24°C) 6.7 in

Grand Bois has a seasonal temperature swing of 10°F / from 66°F in August to 77°F in January. Total annual precipitation is 70.6 inches, with February being the wettest month (10.5") and October the driest (2.5").

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