All Countries
Weather & Climate in Long Mountain, Mauritius
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Long Mountain 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 518 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 | 518 ft (158 m) |
| Area | 8.2 sq mi (21.2 km²) |
| Population Density | 950/sq mi |
| Coordinates | -20.1510°N, 57.5730°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 | 143 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
39 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 | 217 km |
| 2024 | Belal | Category 2 | 81 mph | 166 km |
| 2023 | Freddy | Category 4 | 132 mph | 171 km |
| 2022 | Batsirai | Category 4 | 127 mph | 169 km |
| 2020 | Herold | Category 3 | 104 mph | 265 km |
| 2020 | Calvinia | Category 1 | 69 mph | 125 km |
| 2019 | Gelena | Category 4 | 127 mph | 289 km |
| 2019 | Cilida | Category 4 | 109 mph | 242 km |
| 2018 | Berguitta | Category 1 | 58 mph | 293 km |
| 2018 | Fakir | Category 1 | 81 mph | 192 km |
| 2015 | Bansi | Category 5 | 138 mph | 288 km |
| 2012 | Giovanna | Category 4 | 104 mph | 286 km |
| 2009 | Gael | Category 1 | 69 mph | 292 km |
| 2007 | Gamede | Category 2 | 92 mph | 246 km |
| 2005 | Hennie | Category 1 | 63 mph | 131 km |
| 2003 | Gerry | Category 3 | 104 mph | 122 km |
| 2003 | Crystal | Category 2 | 92 mph | 202 km |
| 2002 | Guillaume | Category 4 | 127 mph | 139 km |
| 2002 | Dina | Category 4 | 115 mph | 84 km |
| 2000 | Connie | Category 3 | 115 mph | 261 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 |
Long Mountain 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").