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Weather & Climate in Heroica Guaymas, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Heroica Guaymas has a warm climate with an average annual temperature of 77°F (25°C). Winters average 64°F in January while summers reach 89°F in July. The area gets 318 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 9.8 inches (drier than the 38-inch national average). The city sits at an elevation of 59 feet.
Temperature
64°F Jan (18°C)
89°F Jul (32°C)
| Annual Average | 77.0°F |
| 43% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 89°F (32°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 59 ft (18 m) |
| Area | 281.4 sq mi (728.8 km²) |
| Population Density | 417/sq mi |
| Coordinates | 27.9199°N, 110.8989°W |
| Timezone | America/Hermosillo |
Precipitation & Snow
Air Quality
Earthquake History
137 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Jan 4, 2006 | 75 km SSW of Bahía de Kino, Mexico | M6.6 | 123 km | 14 km |
| Jan 19, 2018 | 79 km NNE of Loreto, Mexico | M6.3 | 138 km | 10 km |
| Jul 30, 2006 | 76 km E of Mulegé, Mexico | M5.9 | 121 km | 10 km |
| Mar 24, 2000 | 51 km SSW of San Carlos, Mexico | M5.6 | 57 km | 10 km |
| Aug 10, 2014 | 65 km WSW of San Carlos, Mexico | M5.5 | 77 km | 10 km |
| Jul 31, 2021 | 60 km SW of San Carlos, Mexico | M5.5 | 69 km | 10 km |
| Jul 3, 2024 | 77 km NNE of Loreto, Mexico | M5.3 | 140 km | 10 km |
| Apr 26, 2011 | 73 km SW of San Carlos, Mexico | M5.3 | 81 km | 11 km |
| Jan 21, 2022 | 76 km SSW of Bahía de Lobos, Mexico | M5.3 | 128 km | 10 km |
| Aug 6, 2022 | 67 km WSW of San Carlos, Mexico | M5.2 | 79 km | 10 km |
| May 28, 2006 | 88 km NNE of Loreto, Mexico | M5.2 | 128 km | 10 km |
| Oct 3, 1992 | 58 km SSW of San Carlos, Mexico | M5.2 | 65 km | 10 km |
| Jan 4, 2006 | 69 km N of Santa Rosalía, Mexico | M5.2 | 122 km | 10 km |
| May 28, 2006 | 76 km N of Loreto, Mexico | M5.1 | 140 km | 10 km |
| May 24, 2011 | 65 km SW of San Carlos, Mexico | M5.1 | 75 km | 10 km |
| Apr 20, 2011 | 67 km SSW of San Carlos, Mexico | M5.0 | 72 km | 10 km |
| Jan 12, 2011 | 57 km ENE of Mulegé, Mexico | M5.0 | 113 km | 10 km |
| Sep 10, 2011 | 83 km SSW of Bahía de Kino, Mexico | M4.9 | 124 km | 10 km |
| Jun 11, 1990 | 65 km SSW of San Carlos, Mexico | M4.8 | 68 km | 10 km |
| Oct 11, 1992 | 54 km SW of San Carlos, Mexico | M4.8 | 64 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
9 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2016 | Newton | Category 1 | 75 mph | 196 km |
| 2014 | Odile | Category 1 | 81 mph | 195 km |
| 2009 | Jimena | Category 2 | 92 mph | 201 km |
| 2008 | Norbert | Category 1 | 92 mph | 212 km |
| 2007 | Henriette | Category 1 | 75 mph | 148 km |
| 2003 | Marty | Category 1 | 81 mph | 195 km |
| 1996 | Fausto | Category 1 | 75 mph | 279 km |
| 1992 | Lester | Category 1 | 75 mph | 277 km |
| 1986 | Newton | Category 1 | 75 mph | 174 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 0.8 in | Coldest |
| February | 66°F (19°C) | 0.5 in | |
| March | 69°F (21°C) | 0.2 in | |
| April | 75°F (24°C) | 0.0 in | Driest |
| May | 80°F (27°C) | 0.0 in | |
| June | 87°F (30°C) | 0.1 in | |
| July | 89°F (32°C) | 2.0 in | Warmest |
| August | 89°F (32°C) | 2.8 in | Wettest |
| September | 88°F (31°C) | 1.8 in | |
| October | 81°F (27°C) | 0.6 in | |
| November | 71°F (22°C) | 0.4 in | |
| December | 65°F (18°C) | 0.5 in |
Heroica Guaymas has a seasonal temperature swing of 25°F / from 64°F in January to 89°F in July. Total annual precipitation is 9.8 inches, with August being the wettest month (2.8") and April the driest (0.0").