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Weather & Climate in Yaaltz'Unun, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yaaltz'Unun enjoys a temperate climate with an average annual temperature of 67°F (20°C). Winters average 63°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 348 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 30.9 inches. The city sits at an elevation of 7,425 feet.
Temperature
63°F Jan (17°C)
68°F Jul (20°C)
| Annual Average | 67.1°F |
| 24% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 348 days/yr |
Geography
| Elevation | 7,425 ft (2,263 m) |
| Area | 81.1 sq mi (210.0 km²) |
| Population Density | 9/sq mi |
| Coordinates | 16.8067°N, 92.7733°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
532 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Oct 21, 1995 | 13 km NW of Ocozocoautla de Espinosa, Mexico | M7.2 | 74 km | 159 km |
| Mar 14, 1994 | 6 km ENE of Rizo de Oro, Mexico | M6.9 | 98 km | 164 km |
| Nov 28, 2001 | 2 km ESE of El Carmen, Mexico | M6.4 | 142 km | 85 km |
| Dec 31, 1996 | 4 km SW of El Ramal (Porvenir), Mexico | M6.4 | 111 km | 100 km |
| Jun 7, 1998 | 2 km NNE of Cabeza de Toro, Mexico | M6.3 | 143 km | 87 km |
| Jul 6, 2007 | 6 km N of Lázaro Cárdenas, Mexico | M6.1 | 139 km | 113 km |
| May 5, 2025 | 5 km NNE of Nuevo León, Mexico | M5.8 | 39 km | 261 km |
| Aug 9, 2023 | 7 km NNE of Tonalá, Mexico | M5.8 | 125 km | 103 km |
| Feb 1, 2003 | 7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico | M5.8 | 31 km | 211 km |
| Jan 17, 2009 | 5 km NNW of Nueva Colombia, Mexico | M5.8 | 119 km | 169 km |
| May 20, 2017 | 21 km SE of La Horqueta (Poblado Doce), Mexico | M5.7 | 143 km | 144 km |
| Aug 5, 2015 | 11 km ENE of Tonalá, Mexico | M5.7 | 120 km | 101 km |
| Jan 9, 2001 | 7 km NE of Nuevo Milenio Valdivia, Mexico | M5.6 | 140 km | 92 km |
| Aug 12, 2019 | 7 km NE of Cabeza de Toro, Mexico | M5.5 | 137 km | 93 km |
| Sep 1, 2012 | 11 km N of Plan de Agua Prieta, Mexico | M5.5 | 64 km | 257 km |
| May 23, 2016 | 9 km WSW of Emiliano Zapata, Mexico | M5.4 | 120 km | 124 km |
| Jun 7, 2009 | 5 km SW of Emiliano Zapata, Mexico | M5.4 | 94 km | 140 km |
| Jul 30, 2013 | 9 km W of Querétaro, Mexico | M5.4 | 109 km | 122 km |
| Jan 30, 2019 | 37 km NE of La Horqueta (Poblado Doce), Mexico | M5.4 | 146 km | 172 km |
| Feb 8, 2002 | 7 km N of Dolores Jaltenango, Mexico | M5.4 | 94 km | 210 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2013 | Barbara | Category 1 | 81 mph | 138 km |
| 2005 | Stan | Category 1 | 81 mph | 296 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 50.0 m (164 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2007 | JUAN DE GRIJALVA, CHIAPAS | Meteorological | 50.0 m | 19 | 35 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Chichon, El (78 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chichon, El | Lava dome(s) | 1,150 m (3,773 ft) | 1982 | 78 km |
| Tacana | Stratovolcano | 4,064 m (13,333 ft) | 1986 | 199 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 0.4 in | Driest |
| February | 58°F (15°C) | 0.5 in | |
| March | 61°F (16°C) | 0.8 in | |
| April | 64°F (18°C) | 1.4 in | |
| May | 65°F (18°C) | 4.4 in | |
| June | 64°F (18°C) | 9.0 in | Wettest |
| July | 68°F (20°C) | 6.5 in | Warmest |
| August | 63°F (17°C) | 7.2 in | |
| September | 63°F (17°C) | 8.8 in | |
| October | 61°F (16°C) | 4.1 in | |
| November | 59°F (15°C) | 1.5 in | |
| December | 58°F (14°C) | 0.6 in | Coldest |
Yaaltz'Unun has a seasonal temperature swing of 11°F / from 58°F in December to 68°F in July. Total annual precipitation is 45.1 inches, with June being the wettest month (9.0") and January the driest (0.4").