All Countries
Weather & Climate in Koidu, Sierra Leone
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Koidu has a warm climate with an average annual temperature of 77°F (25°C). Winters average 75°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 170 sunny days per year. Annual precipitation totals 100.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,250 feet.
Temperature
75°F Jan (24°C)
75°F Jul (24°C)
| Annual Average | 77.0°F |
| 43% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 170 days/yr |
Geography
| Elevation | 1,250 ft (381 m) |
| Area | 314.9 sq mi (815.5 km²) |
| Population Density | 396/sq mi |
| Coordinates | 8.6439°N, 10.9714°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 | 100 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 0.4 in | Driest |
| February | 78°F (26°C) | 1.3 in | |
| March | 80°F (27°C) | 3.6 in | Warmest |
| April | 80°F (26°C) | 6.0 in | |
| May | 79°F (26°C) | 9.5 in | |
| June | 77°F (25°C) | 11.9 in | |
| July | 75°F (24°C) | 13.2 in | |
| August | 75°F (24°C) | 15.9 in | Coldest |
| September | 76°F (25°C) | 17.4 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 |
Koidu has a seasonal temperature swing of 5°F / from 75°F in August to 80°F in March. Total annual precipitation is 100.0 inches, with September being the wettest month (17.4") and January the driest (0.4").