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Weather & Climate in San Isidro, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Isidro enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 54°F in January while summers reach 64°F in July / relatively mild seasonal variation. The area gets 259 sunny days per year, above the national average. Annual precipitation totals 42.6 inches. The city sits at an elevation of 8,510 feet.
Temperature
54°F Jan (12°C)
64°F Jul (18°C)
| Annual Average | 60.8°F |
| 13% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 8,510 ft (2,594 m) |
| Area | 221.8 sq mi (574.5 km²) |
| Population Density | 7/sq mi |
| Coordinates | 19.7386°N, 102.2980°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
120 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| May 22, 1997 | 5 km ENE of Churumuco de Morelos, Mexico | M6.5 | 138 km | 70 km |
| Jan 25, 1996 | 17 km WSW of Las Cañas, Mexico | M5.5 | 138 km | 77 km |
| Aug 15, 1999 | 27 km WSW of Los Olivos, Mexico | M5.3 | 110 km | 86 km |
| Sep 29, 1992 | 8 km SSE of Tecalitlán, Mexico | M5.3 | 110 km | 95 km |
| Oct 29, 1990 | 6 km NE of El Chauz, Mexico | M5.1 | 94 km | 99 km |
| Jun 16, 2019 | 16 km SW of Churumuco de Morelos, Mexico | M5.1 | 141 km | 61 km |
| May 11, 2021 | 8 km ENE of Aguililla, Mexico | M5.0 | 117 km | 58 km |
| Mar 20, 2006 | 8 km W of Churumuco de Morelos, Mexico | M4.9 | 135 km | 68 km |
| May 22, 2025 | 2 km WSW of Nueva Italia de Ruiz, Mexico | M4.8 | 83 km | 107 km |
| Sep 28, 1996 | 1 km W of Tonila, Mexico | M4.7 | 134 km | 102 km |
| Jun 1, 1992 | 20 km SSW of Aguililla, Mexico | M4.7 | 143 km | 77 km |
| Jan 2, 2002 | Guerrero-Michoacan border region, Mexico | M4.7 | 137 km | 83 km |
| Apr 11, 2021 | 15 km W of Aguililla, Mexico | M4.7 | 129 km | 76 km |
| Oct 18, 1994 | 7 km S of El Chauz, Mexico | M4.7 | 105 km | 86 km |
| Oct 12, 1997 | 12 km E of Poturo, Mexico | M4.6 | 132 km | 101 km |
| May 3, 1992 | 17 km SSW of Loma de los Hoyos, Mexico | M4.5 | 96 km | 107 km |
| Apr 16, 2025 | 5 km N of La Higuera, Mexico | M4.5 | 120 km | 10 km |
| Jan 26, 2009 | 28 km WSW of Tumbiscatío de Ruiz, Mexico | M4.5 | 148 km | 50 km |
| May 30, 2005 | 7 km NNE of Cofradía de Suchitlán, Mexico | M4.5 | 148 km | 9 km |
| May 29, 2022 | 20 km ESE of Aguililla, Mexico | M4.5 | 124 km | 78 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
19 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | John | Category 1 | 75 mph | 275 km |
| 2023 | Lidia | Category 2 | — | 263 km |
| 2023 | Beatriz | Category 1 | 86 mph | 209 km |
| 2021 | Rick | Category 2 | 104 mph | 127 km |
| 2019 | Lorena | Category 1 | 81 mph | 249 km |
| 2015 | Patricia | Category 4 | 150 mph | 235 km |
| 2015 | Carlos | Category 1 | 92 mph | 288 km |
| 2011 | Jova | Category 2 | 98 mph | 285 km |
| 2011 | Beatriz | Category 1 | 92 mph | 226 km |
| 2009 | Andres | Category 1 | 81 mph | 274 km |
| 2006 | John | Category 4 | 127 mph | 295 km |
| 1996 | Alma | Category 2 | 104 mph | 194 km |
| 1996 | Hernan | Category 1 | 86 mph | 213 km |
| 1996 | Boris | Category 1 | 92 mph | 116 km |
| 1993 | Calvin | Category 2 | 109 mph | 255 km |
| 1992 | Winifred | Category 3 | 115 mph | 208 km |
| 1992 | Virgil | Category 3 | 115 mph | 194 km |
| 1987 | Eugene | Category 2 | 98 mph | 275 km |
| 1984 | Odile | Category 1 | — | 250 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1941 | MEXICO | Earthquake | — | 84 | 138 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Michoacan-Guanajuato (59 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Michoacan-Guanajuato | Pyroclastic cone(s) | 3,860 m (12,664 ft) | 1952 | 59 km |
| Colima | Stratovolcano(es) | 3,850 m (12,631 ft) | 2019 | 141 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 0.8 in | Coldest |
| February | 56°F (14°C) | 0.3 in | |
| March | 60°F (16°C) | 0.2 in | Driest |
| April | 64°F (18°C) | 0.5 in | |
| May | 66°F (19°C) | 2.1 in | Warmest |
| June | 66°F (19°C) | 7.3 in | |
| July | 64°F (18°C) | 9.2 in | Wettest |
| August | 64°F (18°C) | 9.1 in | |
| September | 63°F (17°C) | 7.7 in | |
| October | 61°F (16°C) | 4.0 in | |
| November | 57°F (14°C) | 1.0 in | |
| December | 55°F (13°C) | 0.5 in |
San Isidro has a seasonal temperature swing of 13°F / from 54°F in January to 66°F in May. Total annual precipitation is 42.6 inches, with July being the wettest month (9.2") and March the driest (0.2").