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Weather & Climate in New Grove, Mauritius
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
New Grove 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 / relatively mild seasonal variation. The area gets 353 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 59.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 791 feet.
Temperature
77°F Jan (25°C)
69°F Jul (21°C)
| Annual Average | 74.0°F |
| 37% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 353 days/yr |
Geography
| Elevation | 791 ft (241 m) |
| Area | 15.2 sq mi (39.5 km²) |
| Population Density | 723/sq mi |
| Coordinates | -20.4086°N, 57.6136°W |
| Timezone | Indian/Mauritius |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Feb 27, 2018 | 76 km ENE of Sainte-Rose, Reunion | M4.1 | 130 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
34 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Garance | Category 3 | 115 mph | 221 km |
| 2024 | Belal | Category 2 | 81 mph | 142 km |
| 2023 | Freddy | Category 4 | 132 mph | 198 km |
| 2022 | Batsirai | Category 4 | 127 mph | 198 km |
| 2020 | Herold | Category 3 | 104 mph | 283 km |
| 2020 | Calvinia | Category 1 | 69 mph | 97 km |
| 2019 | Cilida | Category 4 | 109 mph | 251 km |
| 2018 | Fakir | Category 1 | 81 mph | 175 km |
| 2014 | Bejisa | Category 3 | 92 mph | 294 km |
| 2007 | Gamede | Category 2 | 92 mph | 270 km |
| 2005 | Hennie | Category 1 | 63 mph | 124 km |
| 2003 | Gerry | Category 3 | 104 mph | 146 km |
| 2003 | Crystal | Category 2 | 92 mph | 197 km |
| 2002 | Guillaume | Category 4 | 127 mph | 134 km |
| 2002 | Dina | Category 4 | 115 mph | 113 km |
| 2000 | Connie | Category 3 | 115 mph | 285 km |
| 2000 | Eline:leone | Category 1 | 69 mph | 219 km |
| 1999 | Davina | Category 3 | 81 mph | 32 km |
| 1998 | Anacelle | Category 4 | 86 mph | 146 km |
| 1997 | Chantelle:daniella | Category 2 | 92 mph | 77 km |
Source: NOAA IBTrACS (Category 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 |
New Grove 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").