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Weather & Climate in El Rosario, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
El Rosario has a warm climate with an average annual temperature of 78°F (25°C). Winters average 70°F in January while summers reach 84°F in July / relatively mild seasonal variation. The area gets 271 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 36.0 inches. The city sits at an elevation of 108 feet.
Temperature
70°F Jan (21°C)
84°F Jul (29°C)
| Annual Average | 77.8°F |
| 44% above US avg | |
| January Average | 70°F (21°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 108 ft (33 m) |
| Area | 1,383.7 sq mi (3,583.8 km²) |
| Population Density | 12/sq mi |
| Coordinates | 22.9903°N, 105.8542°W |
| Timezone | America/Mazatlan |
Precipitation & Snow
Air Quality
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| Nov 13, 2001 | 109 km SW of Barrón, Mexico | M6.1 | 134 km | 33 km |
| Apr 1, 1991 | 112 km SW of Barrón, Mexico | M5.6 | 136 km | 10 km |
| Nov 13, 2001 | 93 km SW of Los Pozos, Mexico | M4.8 | 116 km | 33 km |
| Sep 2, 1994 | 91 km WSW of Mazatlán, Mexico | M4.2 | 139 km | 33 km |
| Aug 1, 1994 | 72 km WSW of Mazatlán, Mexico | M4.0 | 125 km | 33 km |
| Feb 16, 2023 | 64 km WSW of Palmar de Cuautla, Mexico | M4.0 | 113 km | 16 km |
| Jul 27, 1994 | 68 km W of Mazatlán, Mexico | M3.9 | 124 km | 33 km |
| Jul 28, 1994 | 92 km WSW of Mazatlán, Mexico | M3.8 | 144 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lidia | Category 2 | — | 286 km |
| 2022 | Roslyn | Category 3 | 127 mph | 106 km |
| 2022 | Orlene | Category 3 | 109 mph | 27 km |
| 2021 | Pamela | Category 1 | 75 mph | 117 km |
| 2021 | Nora | Category 1 | 75 mph | 270 km |
| 2018 | Willa | Category 4 | 127 mph | 33 km |
| 2013 | Manuel | Category 1 | 75 mph | 269 km |
| 2006 | Lane | Category 3 | 127 mph | 125 km |
| 2006 | John | Category 3 | 115 mph | 285 km |
| 2002 | Kenna | Category 4 | 150 mph | 126 km |
| 1998 | Madeline | Category 1 | 86 mph | 177 km |
| 1995 | Henriette | Category 1 | 86 mph | 267 km |
| 1994 | Rosa | Category 2 | 104 mph | 36 km |
| 1993 | Lidia | Category 2 | 98 mph | 223 km |
| 1989 | Kiko | Category 2 | 98 mph | 222 km |
| 1986 | Roslyn | Category 1 | 75 mph | 132 km |
| 1986 | Newton | Category 1 | 75 mph | 219 km |
| 1985 | Waldo | Category 2 | 104 mph | 209 km |
| 1983 | Tico | Category 3 | 127 mph | 47 km |
| 1981 | Norma | Category 2 | 109 mph | 87 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Isabel, Isla (127 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Isabel, Isla | Tuff cone(s) | 95 m (312 ft) | Unknown | 127 km |
| Durango Volcanic Field | Pyroclastic cone(s) | 2,075 m (6,808 ft) | Unknown | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 70°F (21°C) | 1.0 in | Coldest |
| February | 71°F (22°C) | 0.3 in | |
| March | 72°F (22°C) | 0.1 in | |
| April | 75°F (24°C) | 0.0 in | Driest |
| May | 80°F (27°C) | 0.1 in | |
| June | 84°F (29°C) | 2.0 in | Warmest |
| July | 84°F (29°C) | 9.5 in | |
| August | 83°F (29°C) | 9.6 in | Wettest |
| September | 83°F (28°C) | 8.4 in | |
| October | 82°F (28°C) | 3.0 in | |
| November | 77°F (25°C) | 1.3 in | |
| December | 72°F (22°C) | 0.8 in |
El Rosario has a seasonal temperature swing of 14°F / from 70°F in January to 84°F in June. Total annual precipitation is 36.0 inches, with August being the wettest month (9.6") and April the driest (0.0").