San Sebastián, Colombia

Full City Profile

931 Population 17/sq mi density

6,886 ft Elevation 2,099 meters

54°F Avg Temperature 12°C

San Sebastián experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 54°F in January while summers reach 53°F in July. The area gets 207 sunny days per year. Annual precipitation totals 71.1 inches. The area receives 0.0 inches of snow annually.

Temperature

54°F Jan (12°C) 53°F Jul (11°C)

Annual Average	53.5°F
	1% below US avg
January Average	54°F (12°C)
July Average	53°F (11°C)
Sunny Days	207 days/yr

Geography

Elevation	6,886 ft (2,099 m)
Area	53.4 sq mi (138.4 km²)
Population Density	17/sq mi
Coordinates	1.8386°N, 76.7719°W
Timezone	America/Bogota

Precipitation & Snow

Annual Rainfall 71.1"

87% above US avg

Snowfall 0.0"

Wettest Month (Oct) 8.62"

Driest Month (Aug) 3.66"

Air Quality

Earthquake History

70 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.3. Most recent: M4.4 on Aug 27, 2025.

Sep 30, 2012	11 km WNW of San Agustín, Colombia	M7.3	47 km
Feb 9, 2013	2 km NNE of Yacuanquer, Colombia	M6.9	104 km
Jun 6, 1994	23 km E of Toribío, Colombia	M6.8	144 km
Feb 22, 2015	7 km SSW of Caldono, Colombia	M5.5	104 km
Mar 6, 2007	23 km SE of Paispamba, Colombia	M5.2	41 km
Jun 27, 2000	3 km ENE of El Peñol, Colombia	M5.2	83 km
Nov 4, 2017	8 km SSE of Inzá, Colombia	M5.1	109 km
Aug 18, 2004	2 km ENE of Paispamba, Colombia	M5.1	51 km
Dec 18, 2009	10 km NNE of Toribío, Colombia	M5.1	147 km
Nov 13, 1991	11 km SSE of Santander de Quilichao, Colombia	M5.0	125 km
Jun 12, 2018	13 km ESE of Tangua, Colombia	M4.9	102 km
Mar 4, 2008	18 km ESE of Jambaló, Colombia	M4.8	119 km
Oct 4, 1991	5 km WNW of Caloto, Colombia	M4.7	140 km
Jun 20, 2012	28 km E of Paispamba, Colombia	M4.7	65 km
Apr 19, 2022	7 km NE of Acevedo, Colombia	M4.6	102 km
May 18, 2005	11 km WSW of Palestina, Colombia	M4.6	64 km
May 24, 2020	6 km E of Morales, Colombia	M4.5	104 km
Jun 22, 1998	20 km W of Morales, Colombia	M4.5	98 km
May 10, 2020	19 km NNW of Argelia, Colombia	M4.5	89 km
Oct 17, 1991	14 km NW of Oporapa, Colombia	M4.5	82 km

Source: USGS (M2.5+, 1990–2025)

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Purace (68 km).

Name	Type	Elevation	Last Eruption	Distance
Purace	Stratovolcano(es)	4,650 m (15,256 ft)	1977	68 km
Galeras	Complex	4,276 m (14,029 ft)	2014	96 km
Cumbal	Stratovolcano	4,764 m (15,630 ft)	1926	157 km
Chiles-Cerro Negro	Stratovolcano	4,698 m (15,413 ft)	1936	172 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	54°F (12°C)	5.0 in
February	54°F (12°C)	5.4 in
March	54°F (12°C)	6.3 in
April	54°F (12°C)	7.6 in
May	54°F (12°C)	5.9 in	Warmest
June	53°F (12°C)	4.2 in
July	53°F (11°C)	4.4 in	Coldest
August	53°F (12°C)	3.7 in	Driest
September	53°F (12°C)	4.3 in
October	53°F (12°C)	8.6 in	Wettest
November	53°F (12°C)	8.5 in
December	53°F (12°C)	7.4 in

San Sebastián has a seasonal temperature swing of 2°F / from 53°F in July to 54°F in May. Total annual precipitation is 71.1 inches, with October being the wettest month (8.6") and August the driest (3.7").

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