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Weather & Climate in Mombasa, Kenya
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mombasa has a warm climate with an average annual temperature of 80°F (26°C). Winters average 82°F in January while summers reach 76°F in July / relatively mild seasonal variation. The area gets 352 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 55.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 66 feet.
Temperature
82°F Jan (28°C)
76°F Jul (24°C)
| Annual Average | 79.6°F |
| 47% above US avg | |
| January Average | 82°F (28°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 352 days/yr |
Geography
| Elevation | 66 ft (20 m) |
| Area | 113.8 sq mi (294.7 km²) |
| Population Density | 10,620/sq mi |
| Coordinates | -4.0547°N, 39.6636°W |
| Timezone | Africa/Nairobi |
Precipitation & Snow
Air Quality
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.5.
| Mar 13, 1990 | 29 km ENE of Mombasa, Kenya | M5.5 | 30 km | 10 km |
| Dec 8, 1995 | 53 km NNW of Mlalo, Tanzania | M5.0 | 107 km | 10 km |
| Mar 13, 2020 | 20 km N of Maramba, Tanzania | M4.9 | 150 km | 10 km |
| Feb 27, 1995 | 19 km SSW of Takaungu, Kenya | M4.9 | 27 km | 33 km |
| Feb 8, 2023 | Kenya | M4.7 | 100 km | 10 km |
| Feb 5, 2017 | 18 km ENE of Tanga, Tanzania | M4.5 | 117 km | 15 km |
| Feb 14, 2008 | 19 km SSW of Shimoni, Kenya | M4.5 | 92 km | 10 km |
| Jun 17, 2006 | 11 km SE of Mombasa, Kenya | M4.2 | 11 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | MOMBASA | Earthquake | 6.0 m | — | 1 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 82°F (28°C) | 1.2 in | |
| February | 82°F (28°C) | 0.6 in | Driest |
| March | 83°F (28°C) | 2.1 in | Warmest |
| April | 81°F (27°C) | 6.9 in | |
| May | 78°F (26°C) | 9.9 in | Wettest |
| June | 77°F (25°C) | 3.6 in | |
| July | 76°F (24°C) | 3.1 in | |
| August | 75°F (24°C) | 2.6 in | Coldest |
| September | 76°F (25°C) | 2.5 in | |
| October | 78°F (26°C) | 3.8 in | |
| November | 80°F (27°C) | 3.8 in | |
| December | 81°F (27°C) | 2.7 in |
Mombasa has a seasonal temperature swing of 8°F / from 75°F in August to 83°F in March. Total annual precipitation is 42.7 inches, with May being the wettest month (9.9") and February the driest (0.6").