All Countries
Weather & Climate in Tombu, Sierra Leone
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tombu has a warm climate with an average annual temperature of 76°F (25°C). Winters average 74°F in January while summers reach 74°F in July / relatively mild seasonal variation. The area gets 169 sunny days per year, below the national average of 205. Annual precipitation totals 99.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,217 feet.
Temperature
74°F Jan (23°C)
74°F Jul (24°C)
| Annual Average | 76.3°F |
| 41% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 74°F (24°C) |
| Sunny Days | 169 days/yr |
Geography
| Elevation | 1,217 ft (371 m) |
| Area | 314.9 sq mi (815.5 km²) |
| Population Density | 13/sq mi |
| Coordinates | 8.5399°N, 10.7313°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 | 73 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 0.5 in | Driest |
| February | 77°F (25°C) | 1.3 in | |
| March | 80°F (26°C) | 3.8 in | Warmest |
| April | 79°F (26°C) | 6.2 in | |
| May | 78°F (26°C) | 9.6 in | |
| June | 76°F (25°C) | 11.9 in | |
| July | 74°F (24°C) | 12.8 in | |
| August | 74°F (23°C) | 15.8 in | Coldest |
| September | 76°F (24°C) | 17.2 in | Wettest |
| October | 77°F (25°C) | 12.8 in | |
| November | 77°F (25°C) | 6.5 in | |
| December | 75°F (24°C) | 1.5 in |
Tombu has a seasonal temperature swing of 6°F / from 74°F in August to 80°F in March. Total annual precipitation is 99.9 inches, with September being the wettest month (17.2") and January the driest (0.5").