São Marçal, Sao Tome and Principe

Full City Profile

2,866 Population 9/sq mi density

177 ft Elevation 54 meters

75°F Avg Temperature 24°C

São Marçal has a warm climate with an average annual temperature of 75°F (24°C). Winters average 76°F in January while summers reach 73°F in July. The area gets 193 sunny days per year. Annual precipitation totals 78.6 inches. The area receives 0.0 inches of snow annually.

Temperature

76°F Jan (24°C) 73°F Jul (23°C)

Annual Average	75.2°F
	39% above US avg
January Average	76°F (24°C)
July Average	73°F (23°C)
Sunny Days	193 days/yr

Geography

Elevation	177 ft (54 m)
Area	318.5 sq mi (824.8 km²)
Population Density	9/sq mi
Coordinates	0.3192°N, 6.7261°W
Timezone	Africa/Sao_Tome

Precipitation & Snow

Annual Rainfall 78.6"

107% above US avg

Snowfall 0.0"

Wettest Month (Apr) 10.47"

Driest Month (Jul) 0.51"

Air Quality

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M4.5. Most recent: M0.0 on May 26, 2010.

May 26, 2010	109 km NE of San Antonio de Palé, Equatorial Guinea	M4.5	129 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	76°F (24°C)	7.3 in
February	77°F (25°C)	6.8 in
March	77°F (25°C)	9.7 in	Warmest
April	77°F (25°C)	10.5 in	Wettest
May	76°F (25°C)	9.2 in
June	74°F (23°C)	2.1 in
July	73°F (23°C)	0.5 in	Coldest, Driest
August	73°F (23°C)	1.2 in
September	75°F (24°C)	4.2 in
October	75°F (24°C)	10.3 in
November	75°F (24°C)	8.9 in
December	76°F (24°C)	8.0 in

São Marçal has a seasonal temperature swing of 5°F / from 73°F in July to 77°F in March. Total annual precipitation is 78.6 inches, with April being the wettest month (10.5") and July the driest (0.5").

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