All Countries
Weather & Climate in Tonga, Cameroon
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tonga has a warm climate with an average annual temperature of 75°F (24°C). Winters average 76°F in January while summers reach 72°F in July / relatively mild seasonal variation. The area gets 196 sunny days per year. Annual precipitation totals 78.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,654 feet.
Temperature
76°F Jan (25°C)
72°F Jul (22°C)
| Annual Average | 74.9°F |
| 39% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 196 days/yr |
Geography
| Elevation | 2,654 ft (809 m) |
| Area | 268.6 sq mi (695.6 km²) |
| Population Density | 60/sq mi |
| Coordinates | 4.9667°N, 10.7000°W |
| Timezone | Africa/Douala |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Mar 19, 2005 | 22 km WNW of Évodoula, Cameroon | M4.6 | 94 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 75.0 m (246 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1986 | LAKE NYOS | Astronomical | 75.0 m | 1,700 | 144 km |
| 1984 | LAKE MONOUN | Landslide | 5.0 m | 37 | 144 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Tombel Graben (111 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tombel Graben | Pyroclastic cone(s) | 500 m (1,640 ft) | Unknown | 111 km |
| Oku Volcanic Field | Stratovolcano | 3,011 m (9,879 ft) | Unknown | 144 km |
| Cameroon | Stratovolcano | 4,095 m (13,435 ft) | 2000 | 190 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 0.4 in | Driest |
| February | 78°F (26°C) | 1.1 in | Warmest |
| March | 78°F (25°C) | 4.4 in | |
| April | 77°F (25°C) | 6.4 in | |
| May | 75°F (24°C) | 7.8 in | |
| June | 74°F (23°C) | 7.6 in | |
| July | 72°F (22°C) | 9.5 in | Coldest |
| August | 72°F (22°C) | 12.3 in | |
| September | 74°F (23°C) | 13.9 in | Wettest |
| October | 74°F (23°C) | 12.1 in | |
| November | 75°F (24°C) | 2.6 in | |
| December | 74°F (23°C) | 0.4 in |
Tonga has a seasonal temperature swing of 6°F / from 72°F in July to 78°F in February. Total annual precipitation is 78.4 inches, with September being the wettest month (13.9") and January the driest (0.4").