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Weather & Climate in Istaro, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Istaro enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 54°F in January while summers reach 61°F in July / relatively mild seasonal variation. The area gets 354 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 56.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 6,155 feet.
Temperature
54°F Jan (12°C)
61°F Jul (16°C)
| Annual Average | 59.4°F |
| 10% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 354 days/yr |
Geography
| Elevation | 6,155 ft (1,876 m) |
| Area | 308.8 sq mi (799.7 km²) |
| Population Density | 5/sq mi |
| Coordinates | 19.3281°N, 101.7536°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
322 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Dec 10, 1994 | 22 km SW of Guayameo, Mexico | M6.5 | 138 km | 48 km |
| Aug 9, 2000 | 24 km NNW of El Habillal, Mexico | M6.5 | 147 km | 46 km |
| May 22, 1997 | 5 km ENE of Churumuco de Morelos, Mexico | M6.5 | 73 km | 70 km |
| Jun 21, 1999 | 20 km E of Coahuayutla de Guerrero, Mexico | M6.3 | 114 km | 69 km |
| Apr 20, 1998 | 17 km ENE of Aratichanguío, Mexico | M6.0 | 106 km | 67 km |
| Apr 22, 2013 | 7 km NNE of Guacamayas, Mexico | M6.0 | 146 km | 30 km |
| Dec 29, 1999 | 19 km WSW of Guayameo, Mexico | M5.9 | 125 km | 70 km |
| May 1, 2012 | 19 km W of Placeres del Oro, Mexico | M5.7 | 139 km | 51 km |
| Jan 25, 1996 | 17 km WSW of Las Cañas, Mexico | M5.5 | 99 km | 77 km |
| Jan 14, 1991 | 12 km ENE of La Unión, Mexico | M5.5 | 145 km | 31 km |
| Jan 29, 1990 | 28 km WSW of Arteaga, Mexico | M5.4 | 144 km | 39 km |
| Mar 11, 1993 | 8 km WSW of Coahuayutla de Guerrero, Mexico | M5.4 | 116 km | 71 km |
| Dec 1, 2000 | 18 km SSW of Arteaga, Mexico | M5.4 | 140 km | 33 km |
| Jun 2, 2011 | 24 km N of Aratichanguío, Mexico | M5.3 | 84 km | 82 km |
| Apr 29, 2008 | 19 km W of Huetamo de Núñez, Mexico | M5.3 | 103 km | 76 km |
| Dec 20, 1995 | 15 km NW of Zirándaro de los Chávez, Mexico | M5.3 | 110 km | 77 km |
| Aug 15, 1999 | 27 km WSW of Los Olivos, Mexico | M5.3 | 143 km | 86 km |
| Mar 27, 2003 | 17 km S of Coahuayutla de Guerrero, Mexico | M5.2 | 130 km | 33 km |
| Apr 27, 1995 | 23 km SSE of Coahuayutla de Guerrero, Mexico | M5.2 | 134 km | 37 km |
| Apr 11, 2000 | 18 km W of Arteaga, Mexico | M5.2 | 133 km | 79 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
16 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | John | Category 2 | 98 mph | 247 km |
| 2023 | Otis | Category 5 | 167 mph | 237 km |
| 2023 | Beatriz | Category 1 | 86 mph | 220 km |
| 2021 | Rick | Category 2 | 104 mph | 99 km |
| 2019 | Lorena | Category 1 | 81 mph | 277 km |
| 2015 | Carlos | Category 1 | 92 mph | 292 km |
| 2011 | Beatriz | Category 1 | 92 mph | 235 km |
| 2009 | Andres | Category 1 | 81 mph | 274 km |
| 2006 | John | Category 4 | 132 mph | 285 km |
| 1996 | Alma | Category 2 | 104 mph | 163 km |
| 1996 | Boris | Category 1 | 92 mph | 84 km |
| 1996 | Hernan | Category 1 | 86 mph | 213 km |
| 1993 | Calvin | Category 2 | 109 mph | 254 km |
| 1992 | Virgil | Category 3 | 115 mph | 205 km |
| 1992 | Winifred | Category 3 | 115 mph | 257 km |
| 1984 | Odile | Category 2 | 98 mph | 207 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 0.1 m (0 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2013 | MEXICO | Earthquake | 0.1 m | — | 146 km |
| 1981 | MEXICO | Earthquake | 0.1 m | 3 | 143 km |
| 1941 | MEXICO | Earthquake | — | 84 | 149 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Michoacan-Guanajuato (58 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Michoacan-Guanajuato | Pyroclastic cone(s) | 3,860 m (12,664 ft) | 1952 | 58 km |
| Zitacuaro-Valle de Bravo | Caldera | 3,500 m (11,483 ft) | -3050 | 158 km |
| Colima | Stratovolcano(es) | 3,850 m (12,631 ft) | 2019 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 0.9 in | Coldest |
| February | 63°F (17°C) | 0.2 in | |
| March | 66°F (19°C) | 0.2 in | Driest |
| April | 69°F (21°C) | 0.2 in | |
| May | 71°F (22°C) | 1.4 in | Warmest |
| June | 71°F (21°C) | 7.1 in | |
| July | 61°F (16°C) | 9.1 in | Wettest |
| August | 68°F (20°C) | 8.3 in | |
| September | 68°F (20°C) | 7.4 in | |
| October | 67°F (19°C) | 3.6 in | |
| November | 64°F (18°C) | 0.9 in | |
| December | 62°F (17°C) | 0.4 in |
Istaro has a seasonal temperature swing of 18°F / from 54°F in January to 71°F in May. Total annual precipitation is 39.7 inches, with July being the wettest month (9.1") and March the driest (0.2").