Tomas, Peru

Full City Profile

358 Population 31/sq mi density

12,694 ft Elevation 3,869 meters

40°F Avg Temperature 4°C

Tomas has a cool climate with an average annual temperature of 40°F (4°C). Winters average 39°F in January while summers reach 39°F in July. The area gets 362 sunny days per year. Annual precipitation totals 67.4 inches. The area receives 51.7 inches of snow annually.

Temperature

39°F Jan (4°C) 39°F Jul (4°C)

Annual Average	39.9°F
	26% below US avg
January Average	39°F (4°C)
July Average	39°F (4°C)
Sunny Days	362 days/yr

Geography

Elevation	12,694 ft (3,869 m)
Area	11.5 sq mi (29.9 km²)
Population Density	31/sq mi
Coordinates	-12.2386°N, 75.7453°W
Timezone	America/Lima

Precipitation & Snow

Annual Rainfall 67.4"

77% above US avg

Snowfall 51.7"

Wettest Month (Feb) 5.79"

Driest Month (Jun) 0.16"

Air Quality

Earthquake History

195 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.3. Most recent: M4.4 on Mar 26, 2025.

Apr 18, 1993	15 km SE of Lachaqui, Peru	M6.3	107 km
Jun 23, 2021	11 km WSW of Mala, Peru	M5.9	118 km
Sep 22, 2010	6 km ENE of Chincha Alta, Peru	M5.7	133 km
Jan 7, 2022	6 km NW of Cocachacra, Peru	M5.6	99 km
Jan 23, 1990	4 km WSW of Cuenca, Peru	M5.6	77 km
Oct 1, 1996	19 km SSW of Chilca, Peru	M5.6	126 km
Aug 16, 2007	22 km SSW of San Vicente de Cañete, Peru	M5.6	139 km
Nov 25, 2013	12 km SE of Omas, Peru	M5.5	64 km
May 12, 2022	9 km W of San Bartolo, Peru	M5.4	123 km
Nov 6, 1992	18 km NNW of Mucllo, Peru	M5.3	109 km
Mar 18, 1999	21 km NNE of Huancaya, Peru	M5.3	23 km
Aug 1, 2009	8 km SSW of Chambara, Peru	M5.2	40 km
Jun 3, 2014	20 km W of Chilca, Peru	M5.2	132 km
May 13, 2019	11 km WNW of Salcabamba, Peru	M5.2	94 km
May 17, 2018	7 km E of Mala, Peru	M5.2	101 km
Apr 25, 2000	8 km NE of Pilpichaca, Peru	M5.1	143 km
Apr 7, 2022	13 km ESE of Cocas, Peru	M5.1	132 km
Jan 10, 1992	31 km SSW of San Vicente de Cañete, Peru	M5.0	146 km
May 3, 1992	11 km NNW of Colonia, Peru	M5.0	37 km
Apr 10, 2022	6 km WSW of Comas, Peru	M5.0	86 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 30.0 m (98 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1971	CHUNGAR	Meteorological	30.0 m	600	150 km
1865	CENTRAL PERU	Earthquake	2.0 m	5	150 km
1806	CENTRAL PERU	Earthquake	1.0 m	—	148 km
1878	CENTRAL PERU	Unknown	—	5	139 km
1860	CENTRAL PERU	Earthquake	—	—	148 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	39°F (4°C)	5.1 in	Coldest
February	44°F (7°C)	5.8 in	Warmest, Wettest
March	44°F (7°C)	5.6 in
April	44°F (6°C)	2.2 in
May	42°F (6°C)	0.5 in
June	41°F (5°C)	0.2 in	Driest
July	39°F (4°C)	0.2 in
August	41°F (5°C)	0.4 in
September	42°F (6°C)	1.2 in
October	43°F (6°C)	2.2 in
November	44°F (7°C)	2.4 in
December	44°F (7°C)	4.1 in

Tomas has a seasonal temperature swing of 5°F / from 39°F in January to 44°F in February. Total annual precipitation is 29.9 inches, with February being the wettest month (5.8") and June the driest (0.2").

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