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Weather & Climate in Artículo Primero Constitucional, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Artículo Primero Constitucional enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 55°F in January while summers reach 60°F in July / relatively mild seasonal variation. The area gets 362 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 25.6 inches (drier than the 38-inch national average). The city sits at an elevation of 7,067 feet.
Temperature
55°F Jan (13°C)
60°F Jul (16°C)
| Annual Average | 59.0°F |
| 9% above US avg | |
| January Average | 55°F (13°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 362 days/yr |
Geography
| Elevation | 7,067 ft (2,154 m) |
| Area | 301.0 sq mi (779.7 km²) |
| Population Density | 5/sq mi |
| Coordinates | 18.9741°N, 98.1585°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
227 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.1.
| Sep 19, 2017 | 1 km S of Matzaco, Mexico | M7.1 | 59 km | 48 km |
| Jun 15, 1999 | 1 km SE of Texcala, Mexico | M7.0 | 100 km | 70 km |
| Jul 21, 2000 | 12 km NW of Jolalpan, Mexico | M5.9 | 101 km | 80 km |
| Feb 23, 1994 | 12 km W of San Juan de los Cues, Mexico | M5.8 | 146 km | 73 km |
| Jun 16, 2013 | 5 km N of Tequicuilco, Mexico | M5.8 | 143 km | 52 km |
| May 22, 2009 | 3 km E of Chila de la Sal, Mexico | M5.6 | 101 km | 62 km |
| Mar 20, 2015 | 3 km SSE of Xicotlán, Mexico | M5.4 | 111 km | 52 km |
| May 6, 1994 | 7 km NE of San Vicente Boquerón, Mexico | M5.3 | 73 km | 56 km |
| Apr 3, 1997 | 7 km SSE of Piaxtla, Mexico | M5.2 | 93 km | 57 km |
| Feb 28, 2025 | 3 km NE of Pololcingo, Mexico | M5.0 | 148 km | 65 km |
| Feb 3, 2010 | 5 km NE of Xayacatlán de Bravo, Mexico | M4.9 | 81 km | 88 km |
| Dec 14, 1999 | 5 km NW of Xicotlán, Mexico | M4.8 | 106 km | 56 km |
| Nov 15, 1990 | 21 km N of Coixtlahuaca, Mexico | M4.7 | 147 km | 70 km |
| Dec 27, 1999 | 4 km SW of Santa Cruz Tacache de Mina, Mexico | M4.7 | 130 km | 57 km |
| Feb 8, 2016 | 5 km WSW of Atecax, Mexico | M4.7 | 111 km | 10 km |
| Sep 22, 2016 | 3 km NNW of Xochihuehuetlán, Mexico | M4.6 | 121 km | 56 km |
| Jul 14, 2010 | 20 km E of Santa María Camotlán, Mexico | M4.6 | 141 km | 64 km |
| Jun 16, 2007 | 9 km WNW of Xicotlán, Mexico | M4.6 | 109 km | 60 km |
| Sep 7, 2010 | 6 km WNW of Xicotlán, Mexico | M4.5 | 109 km | 51 km |
| Jun 29, 2013 | 10 km WNW of Tequicuilco, Mexico | M4.5 | 149 km | 55 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
17 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 3 | 127 mph | 241 km |
| 2024 | John | Category 3 | 121 mph | 254 km |
| 2023 | Otis | Category 5 | 167 mph | 267 km |
| 2021 | Grace | Category 3 | 121 mph | 176 km |
| 2017 | Katia | Category 2 | 104 mph | 212 km |
| 2017 | Max | Category 1 | 92 mph | 265 km |
| 2017 | Franklin | Category 1 | 86 mph | 199 km |
| 2012 | Carlotta | Category 1 | 81 mph | 277 km |
| 2010 | Karl | Category 3 | 127 mph | 143 km |
| 2007 | Dean | Category 2 | 98 mph | 192 km |
| 2007 | Lorenzo | Category 1 | 81 mph | 203 km |
| 1997 | Pauline | Category 2 | 81 mph | 268 km |
| 1996 | Dolly | Category 1 | 81 mph | 296 km |
| 1993 | Gert | Category 2 | 98 mph | 237 km |
| 1990 | Diana | Category 2 | 98 mph | 228 km |
| 1989 | Cosme | Category 1 | 81 mph | 247 km |
| 1988 | Debby | Category 1 | 75 mph | 212 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
12 volcanoes within 200 km. Closest: Popocatepetl (49 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 49 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 56 km |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 68 km |
| Serdan-Oriental | Tuff cone(s) | 3,485 m (11,434 ft) | Unknown | 80 km |
| Orizaba, Pico de | Stratovolcano | 5,564 m (18,255 ft) | 1846 | 94 km |
| Cumbres, Las | Stratovolcano | 3,940 m (12,927 ft) | -3920 | 95 km |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 103 km |
| Gloria, La | Volcanic field | 3,500 m (11,483 ft) | Unknown | 103 km |
| Humeros, Los | Caldera(s) | 3,150 m (10,335 ft) | -4470 | 108 km |
| Cofre de Perote | Shield(s) | 4,282 m (14,049 ft) | 1150 | 121 km |
| Naolinco Volcanic Field | Pyroclastic cone(s) | 2,000 m (6,562 ft) | -1200 | 167 km |
| Toluca, Nevado de | Stratovolcano | 4,680 m (15,354 ft) | -1350 | 169 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 55°F (13°C) | 0.3 in | Coldest |
| February | 58°F (15°C) | 0.3 in | |
| March | 62°F (17°C) | 0.4 in | |
| April | 65°F (19°C) | 1.1 in | |
| May | 66°F (19°C) | 3.3 in | Warmest |
| June | 65°F (19°C) | 6.5 in | Wettest |
| July | 60°F (16°C) | 4.7 in | |
| August | 64°F (18°C) | 4.9 in | |
| September | 63°F (17°C) | 5.4 in | |
| October | 62°F (17°C) | 2.3 in | |
| November | 60°F (15°C) | 0.4 in | |
| December | 57°F (14°C) | 0.2 in | Driest |
Artículo Primero Constitucional has a seasonal temperature swing of 12°F / from 55°F in January to 66°F in May. Total annual precipitation is 29.7 inches, with June being the wettest month (6.5") and December the driest (0.2").