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Weather & Climate in Mariakani, Kenya
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mariakani 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 676 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 | 676 ft (206 m) |
| Area | 98.1 sq mi (254.0 km²) |
| Population Density | 323/sq mi |
| Coordinates | -3.8626°N, 39.4746°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 | 52 km | 10 km |
| Dec 8, 1995 | 53 km NNW of Mlalo, Tanzania | M5.0 | 102 km | 10 km |
| Mar 13, 2020 | 20 km N of Maramba, Tanzania | M4.9 | 149 km | 10 km |
| Feb 27, 1995 | 19 km SSW of Takaungu, Kenya | M4.9 | 32 km | 33 km |
| Feb 8, 2023 | Kenya | M4.7 | 117 km | 10 km |
| Feb 5, 2017 | 18 km ENE of Tanga, Tanzania | M4.5 | 132 km | 15 km |
| Feb 14, 2008 | 19 km SSW of Shimoni, Kenya | M4.5 | 106 km | 10 km |
| Jun 17, 2006 | 11 km SE of Mombasa, Kenya | M4.2 | 41 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 | — | 30 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 82°F (28°C) | 1.0 in | Warmest |
| February | 80°F (27°C) | 0.8 in | Driest |
| March | 81°F (27°C) | 2.3 in | |
| April | 79°F (26°C) | 4.7 in | |
| May | 76°F (25°C) | 6.3 in | Wettest |
| June | 75°F (24°C) | 2.2 in | |
| July | 76°F (24°C) | 2.0 in | |
| August | 73°F (23°C) | 2.0 in | Coldest |
| September | 75°F (24°C) | 2.4 in | |
| October | 76°F (25°C) | 3.6 in | |
| November | 78°F (26°C) | 3.9 in | |
| December | 79°F (26°C) | 2.7 in |
Mariakani has a seasonal temperature swing of 8°F / from 73°F in August to 82°F in January. Total annual precipitation is 33.9 inches, with May being the wettest month (6.3") and February the driest (0.8").