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Weather & Climate in Chamouny, Mauritius
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chamouny 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 430 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 | 430 ft (131 m) |
| Area | 17.8 sq mi (46.2 km²) |
| Population Density | 276/sq mi |
| Coordinates | -20.4822°N, 57.4661°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 | 113 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 | 206 km |
| 2024 | Belal | Category 2 | 81 mph | 128 km |
| 2023 | Freddy | Category 4 | 132 mph | 200 km |
| 2022 | Batsirai | Category 4 | 127 mph | 202 km |
| 2020 | Herold | Category 3 | 104 mph | 299 km |
| 2020 | Calvinia | Category 1 | 69 mph | 97 km |
| 2019 | Cilida | Category 4 | 109 mph | 268 km |
| 2018 | Fakir | Category 1 | 81 mph | 158 km |
| 2014 | Bejisa | Category 3 | 92 mph | 277 km |
| 2007 | Gamede | Category 2 | 92 mph | 266 km |
| 2005 | Hennie | Category 1 | 63 mph | 137 km |
| 2003 | Gerry | Category 3 | 104 mph | 160 km |
| 2003 | Crystal | Category 2 | 92 mph | 213 km |
| 2002 | Guillaume | Category 4 | 127 mph | 150 km |
| 2002 | Dina | Category 4 | 115 mph | 116 km |
| 2000 | Connie | Category 3 | 115 mph | 280 km |
| 2000 | Eline:leone | Category 1 | 69 mph | 223 km |
| 1999 | Davina | Category 3 | 81 mph | 28 km |
| 1998 | Anacelle | Category 4 | 86 mph | 163 km |
| 1997 | Chantelle:daniella | Category 2 | 92 mph | 60 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 9.5 in | Warmest |
| February | 76°F (25°C) | 10.4 in | Wettest |
| March | 76°F (24°C) | 8.7 in | |
| April | 74°F (23°C) | 7.9 in | |
| May | 71°F (22°C) | 5.5 in | |
| June | 68°F (20°C) | 3.6 in | |
| July | 69°F (21°C) | 3.7 in | |
| August | 67°F (19°C) | 3.6 in | Coldest |
| September | 67°F (20°C) | 2.4 in | Driest |
| October | 70°F (21°C) | 2.4 in | |
| November | 72°F (22°C) | 3.1 in | |
| December | 75°F (24°C) | 6.6 in |
Chamouny has a seasonal temperature swing of 10°F / from 67°F in August to 77°F in January. Total annual precipitation is 67.2 inches, with February being the wettest month (10.4") and September the driest (2.4").