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Weather & Climate in Atsiaman, Ghana
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Atsiaman has a warm climate with an average annual temperature of 80°F (26°C). Winters average 80°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 261 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 41.1 inches. The city sits at an elevation of 148 feet.
Temperature
80°F Jan (27°C)
77°F Jul (25°C)
| Annual Average | 79.5°F |
| 47% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 148 ft (45 m) |
| Area | 161.6 sq mi (418.5 km²) |
| Population Density | 1,256/sq mi |
| Coordinates | 5.6978°N, 0.3282°W |
| Timezone | Africa/Accra |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Mar 6, 1997 | 6 km S of Gbawe, Ghana | M4.4 | 20 km | 10 km |
| Jun 24, 2020 | 4 km NW of Gbawe, Ghana | M4.0 | 11 km | 10 km |
| Apr 14, 1990 | 4 km NNW of Gbawe, Ghana | M3.1 | 9 km | 10 km |
| Feb 12, 1990 | 1 km WNW of Gbawe, Ghana | M2.7 | 13 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1906 | GOLD COAST | Earthquake | — | — | 113 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 0.7 in | Driest |
| February | 82°F (28°C) | 1.6 in | |
| March | 82°F (28°C) | 3.5 in | Warmest |
| April | 82°F (28°C) | 4.6 in | |
| May | 81°F (27°C) | 6.3 in | |
| June | 79°F (26°C) | 7.9 in | Wettest |
| July | 77°F (25°C) | 3.2 in | |
| August | 76°F (25°C) | 1.7 in | Coldest |
| September | 78°F (25°C) | 3.4 in | |
| October | 79°F (26°C) | 4.5 in | |
| November | 80°F (27°C) | 2.6 in | |
| December | 80°F (27°C) | 1.2 in |
Atsiaman has a seasonal temperature swing of 6°F / from 76°F in August to 82°F in March. Total annual precipitation is 41.1 inches, with June being the wettest month (7.9") and January the driest (0.7").