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Weather & Climate in Bunumbu, Sierra Leone
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bunumbu has a warm climate with an average annual temperature of 79°F (26°C). Winters average 77°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 166 sunny days per year, below the national average of 205. Annual precipitation totals 104.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 617 feet.
Temperature
77°F Jan (25°C)
77°F Jul (25°C)
| Annual Average | 78.5°F |
| 45% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 166 days/yr |
Geography
| Elevation | 617 ft (188 m) |
| Area | 2,150.7 sq mi (5,570.4 km²) |
| Population Density | 3/sq mi |
| Coordinates | 8.1742°N, 10.8643°W |
| Timezone | Africa/Freetown |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Jan 17, 2001 | 24 km SE of Buedu, Sierra Leone | M4.4 | 68 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 0.5 in | Driest |
| February | 79°F (26°C) | 1.3 in | |
| March | 81°F (27°C) | 4.4 in | Warmest |
| April | 81°F (27°C) | 6.2 in | |
| May | 80°F (27°C) | 9.6 in | |
| June | 79°F (26°C) | 11.9 in | |
| July | 77°F (25°C) | 13.4 in | |
| August | 76°F (25°C) | 17.7 in | Coldest, Wettest |
| September | 78°F (26°C) | 17.5 in | |
| October | 79°F (26°C) | 13.2 in | |
| November | 79°F (26°C) | 7.2 in | |
| December | 77°F (25°C) | 1.9 in |
Bunumbu has a seasonal temperature swing of 5°F / from 76°F in August to 81°F in March. Total annual precipitation is 104.7 inches, with August being the wettest month (17.7") and January the driest (0.5").