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Weather & Climate in Saint-Louis, Reunion
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Louis has a warm climate with an average annual temperature of 77°F (25°C). Winters average 80°F in January while summers reach 74°F in July / relatively mild seasonal variation. The area gets 355 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 32.4 inches. The city sits at an elevation of 131 feet.
Temperature
80°F Jan (26°C)
74°F Jul (23°C)
| Annual Average | 77.3°F |
| 43% above US avg | |
| January Average | 80°F (26°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 355 days/yr |
Geography
| Elevation | 131 ft (40 m) |
| Area | 38.2 sq mi (98.9 km²) |
| Population Density | 1,412/sq mi |
| Coordinates | -21.2859°N, 55.4112°W |
| Timezone | Indian/Reunion |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Apr 5, 2007 | 15 km WSW of Sainte-Rose, Reunion | M5.3 | 28 km | 10 km |
| Feb 27, 2018 | 76 km ENE of Sainte-Rose, Reunion | M4.1 | 120 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 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 | 33 km |
| 2024 | Belal | Category 2 | 86 mph | 45 km |
| 2023 | Freddy | Category 4 | 127 mph | 227 km |
| 2022 | Batsirai | Category 4 | 127 mph | 230 km |
| 2020 | Calvinia | Category 1 | 63 mph | 269 km |
| 2018 | Fakir | Category 1 | 81 mph | 93 km |
| 2014 | Bejisa | Category 4 | 92 mph | 55 km |
| 2013 | Dumile | Category 1 | 81 mph | 120 km |
| 2007 | Gamede | Category 2 | 92 mph | 267 km |
| 2002 | Dina | Category 4 | 115 mph | 122 km |
| 2001 | Ando | Category 4 | 121 mph | 232 km |
| 2000 | Connie | Category 2 | 109 mph | 160 km |
| 2000 | Eline:leone | Category 1 | 75 mph | 191 km |
| 1999 | Davina | Category 2 | 81 mph | 58 km |
| 1997 | Chantelle:daniella | Category 2 | 81 mph | 166 km |
| 1995 | Kylie | Category 2 | 48 mph | 65 km |
| 1994 | Hollanda | Category 3 | 98 mph | 61 km |
| 1993 | Colina | Category 2 | 83 mph | 43 km |
| 1989 | Firinga | Category 2 | 83 mph | 34 km |
| 1986 | Erinesta | Category 2 | 71 mph | 198 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Fournaise, Piton de la (31 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Fournaise, Piton de la | Shield | 2,632 m (8,635 ft) | 2020 | 31 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (26°C) | 8.0 in | Warmest |
| February | 74°F (24°C) | 7.6 in | |
| March | 74°F (23°C) | 8.4 in | Wettest |
| April | 72°F (22°C) | 5.9 in | |
| May | 68°F (20°C) | 4.1 in | |
| June | 65°F (19°C) | 3.0 in | |
| July | 74°F (23°C) | 2.6 in | |
| August | 64°F (18°C) | 2.5 in | Coldest |
| September | 65°F (18°C) | 2.4 in | |
| October | 67°F (20°C) | 2.0 in | Driest |
| November | 70°F (21°C) | 3.2 in | |
| December | 73°F (23°C) | 5.4 in |
Saint-Louis has a seasonal temperature swing of 16°F / from 64°F in August to 80°F in January. Total annual precipitation is 55.1 inches, with March being the wettest month (8.4") and October the driest (2.0").