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Weather & Climate in El Rosario, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
El Rosario enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 56°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 310 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 14.6 inches (drier than the 38-inch national average). The city sits at an elevation of 6,145 feet.
Temperature
56°F Jan (13°C)
68°F Jul (20°C)
| Annual Average | 63.8°F |
| 18% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 6,145 ft (1,873 m) |
| Area | 400.9 sq mi (1,038.4 km²) |
| Population Density | 8/sq mi |
| Coordinates | 21.7341°N, 100.9263°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Jan 15, 2007 | San Luis Potosi-Queretaro-Guanajuato border region, Mexico | M4.3 | 148 km | 14 km |
| Jan 16, 2007 | 1 km SSW of Lagunillas, Mexico | M4.1 | 141 km | 21 km |
| Oct 11, 1990 | 8 km NW of Pinal de Amoles, Mexico | M4.0 | 142 km | 10 km |
| Jan 25, 2008 | 12 km ESE of Rayón, Mexico | M4.0 | 145 km | 5 km |
| Jun 27, 2006 | 4 km ENE of Cuerámaro, Mexico | M3.9 | 142 km | 67 km |
| Mar 11, 1998 | 12 km E of Concá, Mexico | M3.7 | 150 km | 20 km |
| Feb 17, 1993 | 10 km NNE of Arroyo Seco, Mexico | M3.2 | 131 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1993 | Gert | Category 1 | 75 mph | 281 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 0.5 in | Coldest |
| February | 59°F (15°C) | 0.3 in | Driest |
| March | 64°F (18°C) | 0.3 in | |
| April | 68°F (20°C) | 0.7 in | |
| May | 70°F (21°C) | 1.3 in | Warmest |
| June | 70°F (21°C) | 2.4 in | |
| July | 68°F (20°C) | 2.8 in | Wettest |
| August | 68°F (20°C) | 2.2 in | |
| September | 66°F (19°C) | 2.3 in | |
| October | 63°F (17°C) | 1.1 in | |
| November | 60°F (15°C) | 0.3 in | |
| December | 57°F (14°C) | 0.4 in |
El Rosario has a seasonal temperature swing of 14°F / from 56°F in January to 70°F in May. Total annual precipitation is 14.5 inches, with July being the wettest month (2.8") and February the driest (0.3").