Lomas, Puerto Rico

Full City Profile

953 Population 2,978/sq mi density

781 ft Elevation 238 meters

81°F Avg Temperature 27°C

Lomas has a warm climate with an average annual temperature of 81°F (27°C). Winters average 76°F in January while summers reach 83°F in July. The area gets 354 sunny days per year. Annual precipitation totals 38.2 inches. The area receives 0.0 inches of snow annually.

Temperature

76°F Jan (25°C) 83°F Jul (28°C)

Annual Average	80.6°F
	49% above US avg
January Average	76°F (25°C)
July Average	83°F (28°C)
Sunny Days	354 days/yr

Geography

Elevation	781 ft (238 m)
Area	0.3 sq mi (0.8 km²)
Population Density	2,978/sq mi
Coordinates	18.2686°N, 65.9088°W
Timezone	America/Puerto_Rico

Precipitation & Snow

Annual Rainfall 38.2"

0% below US avg

Snowfall 0.0"

Wettest Month (Oct) 9.37"

Driest Month (Feb) 3.19"

Air Quality

Earthquake History

21,259 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M0.0 on Aug 30, 2025.

Jan 7, 2020	4 km SSE of Indios, Puerto Rico	M6.4	101 km
Jan 13, 2014	61 km N of Hatillo, Puerto Rico	M6.4	128 km
Jan 11, 2020	5 km SE of Maria Antonia, Puerto Rico	M5.9	106 km
May 16, 2010	4 km E of Moca, Puerto Rico	M5.8	123 km
Jan 6, 2020	14 km S of Indios, Puerto Rico	M5.8	106 km
Jan 7, 2020	0 km NW of Magas Arriba, Puerto Rico	M5.6	96 km
Jan 7, 2020	11 km S of Tallaboa, Puerto Rico	M5.6	96 km
Feb 4, 2008	Puerto Rico region	M5.5	135 km
May 2, 2020	6 km S of Tallaboa, Puerto Rico	M5.4	94 km
Jul 3, 2020	9 km SSE of La Parguera, Puerto Rico	M5.3	123 km
Aug 1, 1993	68 km SSE of Emajagua, Puerto Rico	M5.3	99 km
Nov 23, 1992	28 km NNW of San Antonio, Puerto Rico	M5.3	143 km
Jan 11, 2020	19 km S of Indios, Puerto Rico	M5.2	106 km
Jan 15, 2020	Puerto Rico region	M5.2	124 km
Jan 10, 2020	4 km S of Maria Antonia, Puerto Rico	M5.2	109 km
Mar 12, 2009	66 km N of Brenas, Puerto Rico	M5.1	101 km
Aug 14, 2009	92 km N of Suárez, Puerto Rico	M5.1	112 km
Sep 6, 2004	122 km NNE of Vieques, Puerto Rico	M5.1	142 km
Jan 7, 2020	14 km S of Tallaboa, Puerto Rico	M5.0	95 km
Feb 4, 2020	15 km SSE of Guánica, Puerto Rico	M5.0	113 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

25 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year	Name	Category	Closest
2025	Erin	Category 5	217 km
2024	Ernesto	Category 1	227 km
2023	Tammy	Category 1	288 km
2022	Fiona	Category 1	115 km
2019	Dorian	Category 1	82 km
2017	Maria	Category 5	30 km
2017	Irma	Category 5	88 km
2014	Gonzalo	Category 3	210 km
2011	Irene	Category 1	8 km
2010	Earl	Category 4	161 km
2008	Omar	Category 4	169 km
2004	Frances	Category 4	238 km
2004	Jeanne	Category 1	224 km
2000	Debby	Category 1	80 km
1999	Lenny	Category 4	152 km
1999	Jose	Category 1	224 km
1998	Georges	Category 3	22 km
1996	Bertha	Category 3	92 km
1996	Hortense	Category 1	97 km
1995	Luis	Category 4	210 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 15.2 m (50 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1867	VIRGIN ISLANDS	Earthquake	15.2 m	24	96 km
1918	PUERTO RICO: MONA PASSAGE	Eruption + Earthquake	6.1 m	144	143 km
1868	VIRGIN ISLANDS	Earthquake	1.5 m	—	88 km
2020	PUERTO RICO	Earthquake	0.1 m	4	101 km
1918	PUERTO RICO	Earthquake	—	—	139 km

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

Wildfire History

6 wildfires (100+ acres) within 100 km. Largest: CAMPAMENTO SANTIAGO (3,927 ac, 2005).

Year	Name	Acres	Distance
2005	CAMPAMENTO SANTIAGO	3,927	47 km
2007	UNNAMED	3,896	47 km
2005	UNNAMED	1,888	43 km
2005	PISTA DE SALINAS CARR 3	1,137	52 km
2005	UNNAMED	725	42 km
2013	PUERTO NEGRO	631	61 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	76°F (25°C)	4.5 in
February	73°F (23°C)	3.2 in	Coldest, Driest
March	74°F (23°C)	3.6 in
April	75°F (24°C)	5.4 in
May	77°F (25°C)	8.7 in
June	79°F (26°C)	6.6 in
July	83°F (28°C)	7.2 in	Warmest
August	79°F (26°C)	8.9 in
September	79°F (26°C)	8.8 in
October	78°F (26°C)	9.4 in	Wettest
November	76°F (25°C)	7.9 in
December	74°F (23°C)	6.1 in

Lomas has a seasonal temperature swing of 10°F / from 73°F in February to 83°F in July. Total annual precipitation is 80.3 inches, with October being the wettest month (9.4") and February the driest (3.2").

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