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Weather & Climate in San Juan Ihualtepec, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Juan Ihualtepec enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 61°F in January while summers reach 66°F in July / relatively mild seasonal variation. The area gets 360 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 35.7 inches. The city sits at an elevation of 5,869 feet.
Temperature
61°F Jan (16°C)
66°F Jul (19°C)
| Annual Average | 65.2°F |
| 21% above US avg | |
| January Average | 61°F (16°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 360 days/yr |
Geography
| Elevation | 5,869 ft (1,789 m) |
| Area | 136.2 sq mi (352.7 km²) |
| Population Density | 3/sq mi |
| Coordinates | 17.7399°N, 98.2886°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
618 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.4.
| Mar 20, 2012 | 6 km E of Santiago Llano Grande, Mexico | M7.4 | 139 km | 20 km |
| Sep 14, 1995 | 5 km N of Azoyú, Mexico | M7.4 | 112 km | 23 km |
| Sep 19, 2017 | 1 km S of Matzaco, Mexico | M7.1 | 93 km | 48 km |
| Jun 15, 1999 | 1 km SE of Texcala, Mexico | M7.0 | 115 km | 70 km |
| Oct 24, 1993 | 1 km ENE of Jolotichán, Mexico | M6.7 | 119 km | 21 km |
| May 15, 1993 | 1 km ENE of Ometepec, Mexico | M6.1 | 116 km | 21 km |
| Apr 2, 2012 | 7 km SSW of Santa María Cortijo, Mexico | M6.0 | 150 km | 9 km |
| May 15, 1993 | 2 km SSW of Ometepec, Mexico | M6.0 | 119 km | 20 km |
| Jul 21, 2000 | 12 km NW of Jolalpan, Mexico | M5.9 | 100 km | 80 km |
| Apr 27, 2009 | 2 km WNW of Pochotillo, Mexico | M5.8 | 146 km | 35 km |
| Feb 23, 1994 | 12 km W of San Juan de los Cues, Mexico | M5.8 | 122 km | 73 km |
| Jun 16, 2013 | 5 km N of Tequicuilco, Mexico | M5.8 | 107 km | 52 km |
| May 5, 2011 | 2 km SE of Cuanacaxtitlán, Mexico | M5.7 | 112 km | 24 km |
| Mar 20, 2021 | 6 km NNW of Marquelia, Mexico | M5.7 | 136 km | 10 km |
| May 24, 2014 | 2 km S of San Sebastián Ixcapa, Mexico | M5.7 | 136 km | 17 km |
| Jun 27, 2016 | 8 km S of La Reforma, Mexico | M5.7 | 141 km | 19 km |
| May 22, 2009 | 3 km E of Chila de la Sal, Mexico | M5.6 | 45 km | 62 km |
| Oct 30, 1995 | 4 km ESE of Cuajinicuilapa, Mexico | M5.6 | 143 km | 33 km |
| Mar 27, 1996 | 1 km W of San Miguel Tlacamama, Mexico | M5.6 | 149 km | 29 km |
| Mar 15, 2025 | 5 km W of San Pedro Tidaá, Mexico | M5.6 | 102 km | 62 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 4 | 138 mph | 123 km |
| 2024 | John | Category 3 | 121 mph | 142 km |
| 2023 | Otis | Category 5 | 167 mph | 198 km |
| 2022 | Agatha | Category 2 | 104 mph | 287 km |
| 2017 | Max | Category 1 | 92 mph | 133 km |
| 2015 | Carlos | Category 1 | 86 mph | 289 km |
| 2012 | Carlotta | Category 2 | 104 mph | 144 km |
| 2011 | Hilary | Category 3 | 121 mph | 276 km |
| 2010 | Karl | Category 3 | 127 mph | 203 km |
| 1997 | Pauline | Category 4 | 132 mph | 138 km |
| 1997 | Rick | Category 2 | 98 mph | 227 km |
| 1996 | Boris | Category 1 | 92 mph | 289 km |
| 1989 | Cosme | Category 1 | 86 mph | 120 km |
| 1984 | Odile | Category 2 | 104 mph | 297 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1787 | SAN MARCOS | Earthquake | 4.0 m | 11 | 140 km |
| 1754 | S. MEXICO | Earthquake | 4.0 m | — | 142 km |
| 1995 | S. MEXICO | Earthquake | 0.4 m | 3 | 112 km |
| 1962 | S. MEXICO | Earthquake | 0.3 m | 3 | 142 km |
| 1950 | S. MEXICO | Earthquake | 0.3 m | — | 140 km |
| 2012 | S. MEXICO | Earthquake | 0.2 m | 2 | 139 km |
| 2026 | ACAPULCO | Earthquake | 0.1 m | 2 | 142 km |
| 1968 | ACAPULCO | Earthquake | — | 18 | 148 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
7 volcanoes within 200 km. Closest: Popocatepetl (147 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 147 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 164 km |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 173 km |
| Orizaba, Pico de | Stratovolcano | 5,564 m (18,255 ft) | 1846 | 179 km |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 180 km |
| Cumbres, Las | Stratovolcano | 3,940 m (12,927 ft) | -3920 | 190 km |
| Serdan-Oriental | Tuff cone(s) | 3,485 m (11,434 ft) | Unknown | 191 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 61°F (16°C) | 0.2 in | Coldest |
| February | 70°F (21°C) | 0.4 in | |
| March | 74°F (23°C) | 0.3 in | |
| April | 77°F (25°C) | 0.8 in | |
| May | 77°F (25°C) | 3.2 in | Warmest |
| June | 74°F (23°C) | 7.4 in | Wettest |
| July | 66°F (19°C) | 7.0 in | |
| August | 73°F (23°C) | 6.4 in | |
| September | 72°F (22°C) | 6.3 in | |
| October | 71°F (22°C) | 2.2 in | |
| November | 70°F (21°C) | 0.3 in | |
| December | 68°F (20°C) | 0.1 in | Driest |
San Juan Ihualtepec has a seasonal temperature swing of 16°F / from 61°F in January to 77°F in May. Total annual precipitation is 34.5 inches, with June being the wettest month (7.4") and December the driest (0.1").