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Weather & Climate in Grand Baie, Mauritius
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grand Baie 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 / relatively mild seasonal variation. The area gets 347 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 46.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 33 feet.
Temperature
79°F Jan (26°C)
74°F Jul (23°C)
| Annual Average | 77.1°F |
| 43% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 347 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 5.4 sq mi (14.1 km²) |
| Population Density | 2,242/sq mi |
| Coordinates | -20.0182°N, 57.5802°W |
| Timezone | Indian/Mauritius |
Precipitation & Snow
Air Quality
Hurricane History
40 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Garance | Category 3 | 115 mph | 219 km |
| 2024 | Belal | Category 2 | 81 mph | 179 km |
| 2023 | Freddy | Category 4 | 132 mph | 158 km |
| 2022 | Batsirai | Category 4 | 127 mph | 155 km |
| 2020 | Herold | Category 3 | 104 mph | 255 km |
| 2020 | Calvinia | Category 1 | 69 mph | 139 km |
| 2019 | Gelena | Category 4 | 127 mph | 278 km |
| 2019 | Cilida | Category 4 | 109 mph | 236 km |
| 2018 | Berguitta | Category 1 | 58 mph | 284 km |
| 2018 | Fakir | Category 1 | 81 mph | 203 km |
| 2015 | Bansi | Category 5 | 138 mph | 274 km |
| 2012 | Giovanna | Category 4 | 104 mph | 272 km |
| 2009 | Gael | Category 1 | 69 mph | 282 km |
| 2007 | Gamede | Category 3 | 92 mph | 237 km |
| 2005 | Hennie | Category 1 | 63 mph | 134 km |
| 2003 | Gerry | Category 3 | 104 mph | 108 km |
| 2003 | Crystal | Category 2 | 92 mph | 201 km |
| 2002 | Guillaume | Category 4 | 127 mph | 138 km |
| 2002 | Dina | Category 4 | 115 mph | 69 km |
| 2000 | Connie | Category 3 | 115 mph | 252 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 9.5 in | Warmest |
| February | 79°F (26°C) | 10.4 in | Wettest |
| March | 78°F (26°C) | 8.3 in | |
| April | 77°F (25°C) | 7.5 in | |
| May | 74°F (23°C) | 5.1 in | |
| June | 71°F (22°C) | 3.2 in | |
| July | 74°F (23°C) | 3.4 in | |
| August | 69°F (21°C) | 3.2 in | Coldest |
| September | 71°F (21°C) | 2.1 in | Driest |
| October | 73°F (23°C) | 2.2 in | |
| November | 75°F (24°C) | 2.8 in | |
| December | 78°F (25°C) | 6.4 in |
Grand Baie has a seasonal temperature swing of 10°F / from 69°F in August to 79°F in January. Total annual precipitation is 63.9 inches, with February being the wettest month (10.4") and September the driest (2.1").