San Marcos, Colombia

Full City Profile

60,735 Population 173/sq mi density

82 ft Elevation 25 meters

82°F Avg Temperature 28°C

San Marcos has a warm climate with an average annual temperature of 82°F (28°C). Winters average 82°F in January while summers reach 82°F in July. The area gets 163 sunny days per year. Annual precipitation totals 103.1 inches. The area receives 0.0 inches of snow annually.

Temperature

82°F Jan (28°C) 82°F Jul (28°C)

Annual Average	82.2°F
	52% above US avg
January Average	82°F (28°C)
July Average	82°F (28°C)
Sunny Days	163 days/yr

Geography

Elevation	82 ft (25 m)
Area	351.6 sq mi (910.7 km²)
Population Density	173/sq mi
Coordinates	8.6597°N, 75.1281°W
Timezone	America/Bogota

Precipitation & Snow

Annual Rainfall 103.1"

171% above US avg

Snowfall 0.0"

Wettest Month (Aug) 15.39"

Driest Month (Jan) 0.79"

Air Quality

Earthquake History

63 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.7. Most recent: M4.5 on Jan 19, 2025.

Apr 15, 2020	13 km NNE of Pinillos, Colombia	M5.7	87 km
Feb 23, 2022	26 km SW of Santa Rosa del Sur, Colombia	M5.5	135 km
Sep 8, 2001	10 km NNE of Pueblo Nuevo, Colombia	M5.1	43 km
Jul 7, 2010	9 km NNW of Ciénaga de Oro, Colombia	M5.0	67 km
Aug 25, 2013	13 km NW of El Bagre, Colombia	M4.8	111 km
Oct 31, 1995	30 km WNW of Cáceres, Colombia	M4.8	124 km
Jun 30, 1991	16 km E of Nechí, Colombia	M4.8	83 km
Mar 31, 2009	20 km WNW of San Carlos, Colombia	M4.8	89 km
Jan 4, 1998	11 km NNW of Regidor, Colombia	M4.7	138 km
Apr 18, 2001	9 km WSW of Nechí, Colombia	M4.7	74 km
Nov 25, 1990	18 km NE of Caucasia, Colombia	M4.7	64 km
Jun 25, 1995	25 km SW of Montelíbano, Colombia	M4.7	107 km
Feb 24, 1994	19 km WNW of Ayapel, Colombia	M4.6	39 km
Mar 4, 1990	25 km ENE of San Carlos, Colombia	M4.6	102 km
Apr 7, 2023	7 km NNE of Los Córdobas, Colombia	M4.6	136 km
May 6, 2024	8 km NE of Montelíbano, Colombia	M4.5	75 km
Jul 3, 1996	13 km ENE of Valdivia, Colombia	M4.5	147 km
Apr 16, 1993	12 km WSW of Ayapel, Colombia	M4.5	46 km
Sep 23, 2017	8 km E of Plato, Colombia	M4.5	134 km
Jan 19, 2025	8 km ENE of Zaragoza, Colombia	M4.5	132 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	82°F (28°C)	0.8 in	Driest
February	83°F (28°C)	0.9 in
March	84°F (29°C)	1.9 in	Warmest
April	83°F (29°C)	6.4 in
May	82°F (28°C)	10.5 in
June	82°F (28°C)	12.2 in
July	82°F (28°C)	13.8 in
August	82°F (28°C)	15.4 in	Wettest
September	82°F (28°C)	14.5 in
October	81°F (27°C)	14.8 in	Coldest
November	82°F (28°C)	9.4 in
December	82°F (28°C)	2.6 in

San Marcos has a seasonal temperature swing of 2°F / from 81°F in October to 84°F in March. Total annual precipitation is 103.1 inches, with August being the wettest month (15.4") and January the driest (0.8").

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