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Weather & Climate in Oyam, Gabon
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oyam has a warm climate with an average annual temperature of 78°F (26°C). Winters average 80°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 195 sunny days per year. Annual precipitation totals 80.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 236 feet.
Temperature
80°F Jan (26°C)
75°F Jul (24°C)
| Annual Average | 78.4°F |
| 45% above US avg | |
| January Average | 80°F (26°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 195 days/yr |
Geography
| Elevation | 236 ft (72 m) |
| Area | 318.5 sq mi (824.8 km²) |
| Population Density | 95/sq mi |
| Coordinates | -0.2000°N, 10.6833°W |
| Timezone | Africa/Libreville |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Mar 9, 2021 | 34 km NW of Fougamou, Gabon | M5.3 | 94 km | 8 km |
| Mar 6, 2021 | 40 km W of Fougamou, Gabon | M5.2 | 123 km | 10 km |
| Apr 27, 2021 | 39 km S of Lambaréné, Gabon | M4.7 | 106 km | 10 km |
| Sep 25, 2023 | 42 km S of Lambaréné, Gabon | M4.6 | 113 km | 10 km |
| Jan 10, 2023 | 30 km S of Lambaréné, Gabon | M4.6 | 99 km | 10 km |
| Feb 17, 2021 | 62 km W of Fougamou, Gabon | M4.5 | 140 km | 10 km |
| May 9, 2021 | 48 km SSW of Lambaréné, Gabon | M4.5 | 122 km | 10 km |
| Apr 27, 2021 | 40 km S of Lambaréné, Gabon | M4.5 | 110 km | 10 km |
| Mar 7, 2021 | 50 km SSW of Lambaréné, Gabon | M4.4 | 123 km | 10 km |
| Jan 9, 2025 | 40 km SSW of Lambaréné, Gabon | M4.3 | 112 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (26°C) | 6.1 in | |
| February | 80°F (27°C) | 5.9 in | |
| March | 80°F (27°C) | 9.6 in | |
| April | 80°F (27°C) | 10.0 in | Warmest |
| May | 80°F (27°C) | 7.8 in | |
| June | 77°F (25°C) | 1.1 in | |
| July | 75°F (24°C) | 0.2 in | Coldest, Driest |
| August | 75°F (24°C) | 0.3 in | |
| September | 78°F (25°C) | 3.7 in | |
| October | 79°F (26°C) | 13.4 in | |
| November | 79°F (26°C) | 14.9 in | Wettest |
| December | 79°F (26°C) | 7.8 in |
Oyam has a seasonal temperature swing of 6°F / from 75°F in July to 80°F in April. Total annual precipitation is 80.9 inches, with November being the wettest month (14.9") and July the driest (0.2").