Kilómetro 42 (Juan N. Álvarez), Mexico

Full City Profile

862 Population 1/sq mi density

1,394 ft Elevation 425 meters

80°F Avg Temperature 27°C

Kilómetro 42 (Juan N. Álvarez) has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 82°F in July. The area gets 353 sunny days per year. Annual precipitation totals 48.7 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 82°F Jul (28°C)

Annual Average	80.1°F
	48% above US avg
January Average	77°F (25°C)
July Average	82°F (28°C)
Sunny Days	353 days/yr

Geography

Elevation	1,394 ft (425 m)
Area	865.1 sq mi (2,240.7 km²)
Population Density	1/sq mi
Coordinates	17.0550°N, 99.7597°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 48.7"

28% above US avg

Snowfall 0.0"

Wettest Month (Sep) 13.23"

Driest Month (Mar) 0.12"

Air Quality

Earthquake History

2,608 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.4. Most recent: M4.3 on Jul 24, 2025.

Sep 14, 1995	5 km N of Azoyú, Mexico	M7.4	127 km
Apr 18, 2014	9 km ENE of Coyuquilla Norte, Mexico	M7.2	134 km
Apr 18, 2002	27 km SSW of Nuxco, Mexico	M6.8	118 km
Jul 15, 1996	26 km NNE of Coyuquilla Norte, Mexico	M6.8	142 km
Oct 24, 1993	1 km ENE of Jolotichán, Mexico	M6.7	116 km
May 8, 2014	3 km NNE of Nuxco, Mexico	M6.4	107 km
May 23, 1994	4 km W of San Cristóbal, Mexico	M6.3	148 km
Aug 21, 2013	5 km ESE of Barrio Nuevo de los Muertos, Mexico	M6.2	34 km
Nov 13, 1993	18 km SW of Montecillos, Mexico	M6.0	147 km
Dec 16, 1997	46 km SSW of Barra de Tecoanapa, Mexico	M6.0	143 km
May 10, 2014	6 km W of Nuxco, Mexico	M6.0	113 km
May 15, 1993	2 km SSW of Ometepec, Mexico	M6.0	149 km
Apr 13, 2007	5 km SE of El Paraíso, Mexico	M6.0	54 km
May 31, 1990	7 km NE of Nuxco, Mexico	M6.0	103 km
Oct 8, 2001	3 km WSW of Tixtlancingo, Mexico	M5.9	25 km
Jun 16, 2013	5 km N of Tequicuilco, Mexico	M5.8	136 km
Apr 27, 2009	2 km WNW of Pochotillo, Mexico	M5.8	33 km
Apr 28, 2008	21 km WNW of Tlacotepec, Mexico	M5.8	98 km
May 5, 2011	2 km SE of Cuanacaxtitlán, Mexico	M5.7	125 km
Mar 20, 2021	6 km NNW of Marquelia, Mexico	M5.7	108 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

25 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Erick (2025).

Year	Name	Category	Closest
2025	Erick	Category 4	49 km
2024	John	Category 3	28 km
2023	Otis	Category 5	32 km
2023	Beatriz	Category 1	219 km
2021	Rick	Category 2	195 km
2017	Max	Category 1	62 km
2015	Marty	Category 1	257 km
2015	Carlos	Category 1	124 km
2013	Raymond	Category 3	233 km
2012	Carlotta	Category 1	207 km
2011	Hilary	Category 4	141 km
2006	John	Category 4	223 km
2000	Carlotta	Category 2	288 km
1997	Rick	Category 2	183 km
1997	Pauline	Category 2	9 km
1996	Alma	Category 2	299 km
1996	Hernan	Category 1	271 km
1996	Boris	Category 1	122 km
1993	Lidia	Category 2	300 km
1993	Calvin	Category 2	192 km

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

Tsunami History

17 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1820	S. MEXICO	Earthquake	4.0 m	—	23 km
1787	SAN MARCOS	Earthquake	4.0 m	11	148 km
1754	S. MEXICO	Earthquake	4.0 m	—	66 km
1732	S. MEXICO	Earthquake	3.0 m	—	32 km
1907	S. MEXICO	Earthquake	2.0 m	8	26 km
1957	S. MEXICO	Earthquake	1.3 m	65	94 km
1962	S. MEXICO	Earthquake	0.8 m	4	23 km
2021	S. MEXICO	Earthquake	0.5 m	3	8 km
2014	S. MEXICO	Earthquake	0.4 m	—	134 km
1995	S. MEXICO	Earthquake	0.4 m	3	127 km
1962	S. MEXICO	Earthquake	0.3 m	3	32 km
2026	ACAPULCO	Earthquake	0.1 m	2	52 km
2002	S. MEXICO	Earthquake	—	—	118 km
1933	MEXICO	Earthquake	—	—	128 km
1868	S. MEXICO	Earthquake	—	—	32 km
1845	S. MEXICO	Earthquake	—	—	90 km
1833	S. MEXICO	Earthquake	—	—	32 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	77°F (25°C)	0.6 in
February	75°F (24°C)	0.3 in
March	77°F (25°C)	0.1 in	Driest
April	79°F (26°C)	0.2 in
May	80°F (26°C)	1.9 in
June	79°F (26°C)	11.9 in
July	82°F (28°C)	11.2 in	Warmest
August	78°F (25°C)	12.3 in
September	77°F (25°C)	13.2 in	Wettest
October	77°F (25°C)	5.9 in
November	75°F (24°C)	1.3 in
December	74°F (23°C)	0.4 in	Coldest

Kilómetro 42 (Juan N. Álvarez) has a seasonal temperature swing of 8°F / from 74°F in December to 82°F in July. Total annual precipitation is 59.3 inches, with September being the wettest month (13.2") and March the driest (0.1").

View full weather details →