Santo Tomás, Peru

Full City Profile

1,762 Population 12/sq mi density

6,476 ft Elevation 1,974 meters

50°F Avg Temperature 10°C

Santo Tomás experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 36°F in January while summers reach 49°F in July. The area gets 342 sunny days per year. Annual precipitation totals 178.5 inches. The area receives 0.0 inches of snow annually.

Temperature

36°F Jan (2°C) 49°F Jul (9°C)

Annual Average	49.9°F
	8% below US avg
January Average	36°F (2°C)
July Average	49°F (9°C)
Sunny Days	342 days/yr

Geography

Elevation	6,476 ft (1,974 m)
Area	151.5 sq mi (392.5 km²)
Population Density	12/sq mi
Coordinates	-6.1514°N, 78.6823°W
Timezone	America/Lima

Precipitation & Snow

Annual Rainfall 178.5"

370% above US avg

Snowfall 0.0"

Wettest Month (Mar) 4.70"

Driest Month (Jul) 1.20"

Air Quality

Earthquake History

63 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.1. Most recent: M5.0 on Jun 12, 2025.

Apr 17, 2019	68 km NNE of La Peca, Peru	M5.1	135 km
Aug 13, 2000	64 km NNE of Yambrasbamba, Peru	M5.1	149 km
Jun 12, 2025	13 km WNW of Jayanca, Peru	M5.0	139 km
Jul 14, 2002	29 km N of Las Pirias, Peru	M5.0	89 km
Apr 6, 1991	13 km NE of Olleros, Peru	M5.0	126 km
Aug 6, 2000	54 km N of Yambrasbamba, Peru	M4.9	138 km
Mar 7, 2019	8 km NE of Miracosta, Peru	M4.9	65 km
Jul 21, 2021	7 km SSE of San Ignacio, Peru	M4.9	109 km
Apr 6, 1991	17 km NE of Olleros, Peru	M4.8	131 km
Apr 28, 1990	15 km NW of Sallique, Peru	M4.8	104 km
Jun 25, 2022	71 km ENE of San Ignacio, Peru	M4.8	147 km
May 30, 1990	17 km WSW of Segunda Jerusalén - Azunguillo, Peru	M4.7	140 km
Jan 12, 2008	9 km SSE of Saña, Peru	M4.7	135 km
Apr 5, 1991	49 km NNW of Segunda Jerusalén - Azunguillo, Peru	M4.7	149 km
Jan 25, 1993	15 km WNW of Cañaris, Peru	M4.7	81 km
Nov 14, 2013	13 km ENE of Cajaruro, Peru	M4.7	65 km
Dec 14, 1996	26 km WSW of Canchaque, Peru	M4.7	147 km
Mar 16, 2008	1 km NE of Motupe, Peru	M4.6	113 km
Jun 20, 1994	2 km NE of Celendín, Peru	M4.6	99 km
Jun 13, 2003	14 km ESE of Jayanca, Peru	M4.6	118 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	36°F (2°C)	3.1 in	Coldest
February	64°F (18°C)	3.3 in
March	64°F (18°C)	4.7 in	Wettest
April	64°F (18°C)	3.8 in
May	63°F (17°C)	2.3 in
June	62°F (17°C)	1.5 in
July	49°F (9°C)	1.2 in	Driest
August	62°F (17°C)	1.3 in
September	63°F (17°C)	2.3 in
October	63°F (17°C)	3.5 in
November	64°F (18°C)	3.1 in
December	64°F (18°C)	2.4 in	Warmest

Santo Tomás has a seasonal temperature swing of 28°F / from 36°F in January to 64°F in December. Total annual precipitation is 32.5 inches, with March being the wettest month (4.7") and July the driest (1.2").

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