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Weather & Climate in Ouellah, Comoros
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ouellah has a warm climate with an average annual temperature of 79°F (26°C). Winters average 80°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 360 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 47.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 459 feet.
Temperature
80°F Jan (27°C)
77°F Jul (25°C)
| Annual Average | 79.3°F |
| 47% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 360 days/yr |
Geography
| Elevation | 459 ft (140 m) |
| Area | 11.1 sq mi (28.8 km²) |
| Population Density | 493/sq mi |
| Coordinates | -11.3903°N, 43.3319°W |
| Timezone | Indian/Comoro |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| May 21, 2000 | 5 km N of Hoani, Comoros | M5.2 | 98 km | 10 km |
| Sep 21, 2016 | 46 km WSW of Nioumachoua, Comoros | M5.1 | 120 km | 10 km |
| Mar 13, 2012 | 51 km N of Mitsamiouli, Comoros | M5.0 | 52 km | 10 km |
| Mar 12, 2014 | 1 km WNW of Maraharé, Comoros | M4.8 | 141 km | 10 km |
| Mar 20, 2013 | 112 km W of Mavingouni, Comoros | M4.7 | 131 km | 10 km |
| Sep 15, 1997 | 62 km NNW of Mitsamiouli, Comoros | M4.7 | 65 km | 10 km |
| Feb 8, 1996 | Comoros region | M4.2 | 90 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
7 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Chido | Category 4 | 121 mph | 202 km |
| 2024 | Hidaya | Category 1 | 92 mph | 288 km |
| 2019 | Kenneth | Category 4 | 132 mph | 37 km |
| 2014 | Hellen | Category 1 | 72 mph | 249 km |
| 1996 | Doloresse | Category 1 | 60 mph | 73 km |
| 1995 | Josta | Category 1 | 67 mph | 280 km |
| 1984 | Kamisy | Category 2 | 83 mph | 279 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Karthala (40 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Karthala | Shield | 2,361 m (7,746 ft) | 2007 | 40 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 13.9 in | Warmest, Wettest |
| February | 79°F (26°C) | 10.5 in | |
| March | 79°F (26°C) | 10.4 in | |
| April | 78°F (26°C) | 12.1 in | |
| May | 77°F (25°C) | 9.3 in | |
| June | 75°F (24°C) | 7.3 in | |
| July | 77°F (25°C) | 6.9 in | |
| August | 73°F (23°C) | 4.5 in | Coldest |
| September | 74°F (23°C) | 2.1 in | Driest |
| October | 76°F (24°C) | 3.7 in | |
| November | 78°F (26°C) | 4.1 in | |
| December | 79°F (26°C) | 7.7 in |
Ouellah has a seasonal temperature swing of 7°F / from 73°F in August to 80°F in January. Total annual precipitation is 92.5 inches, with January being the wettest month (13.9") and September the driest (2.1").