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Weather & Climate in San Bruno, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Bruno has a warm climate with an average annual temperature of 75°F (24°C). Winters average 62°F in January while summers reach 89°F in July. The area gets 325 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 6.0 inches (drier than the 38-inch national average). The city sits at an elevation of 23 feet.
Temperature
62°F Jan (17°C)
89°F Jul (31°C)
| Annual Average | 75.3°F |
| 39% above US avg | |
| January Average | 62°F (17°C) |
| July Average | 89°F (31°C) |
| Sunny Days | 325 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 3,939.8 sq mi (10,204.2 km²) |
| Population Density | 0/sq mi |
| Coordinates | 27.1608°N, 112.1590°W |
| Timezone | America/Mazatlan |
Precipitation & Snow
Air Quality
Earthquake History
162 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 | 112 km | 14 km |
| Jan 19, 2018 | 79 km NNE of Loreto, Mexico | M6.3 | 119 km | 10 km |
| Jul 30, 2006 | 76 km E of Mulegé, Mexico | M5.9 | 100 km | 10 km |
| Mar 24, 2000 | 51 km SSW of San Carlos, Mexico | M5.6 | 95 km | 10 km |
| Aug 10, 2014 | 65 km WSW of San Carlos, Mexico | M5.5 | 78 km | 10 km |
| Oct 1, 1996 | 70 km NE of Loreto, Mexico | M5.5 | 150 km | 10 km |
| Jul 31, 2021 | 60 km SW of San Carlos, Mexico | M5.5 | 81 km | 10 km |
| Jul 3, 2024 | 77 km NNE of Loreto, Mexico | M5.3 | 120 km | 10 km |
| Apr 26, 2011 | 73 km SW of San Carlos, Mexico | M5.3 | 70 km | 11 km |
| Jan 21, 2022 | 76 km SSW of Bahía de Lobos, Mexico | M5.3 | 135 km | 10 km |
| Oct 3, 1992 | 58 km SSW of San Carlos, Mexico | M5.2 | 88 km | 10 km |
| Jan 4, 2006 | 69 km N of Santa Rosalía, Mexico | M5.2 | 89 km | 10 km |
| May 28, 2006 | 88 km NNE of Loreto, Mexico | M5.2 | 114 km | 10 km |
| Aug 6, 2022 | 67 km WSW of San Carlos, Mexico | M5.2 | 76 km | 10 km |
| May 24, 2011 | 65 km SW of San Carlos, Mexico | M5.1 | 75 km | 10 km |
| May 28, 2006 | 76 km N of Loreto, Mexico | M5.1 | 106 km | 10 km |
| Jan 12, 2011 | 57 km ENE of Mulegé, Mexico | M5.0 | 76 km | 10 km |
| Apr 20, 2011 | 67 km SSW of San Carlos, Mexico | M5.0 | 84 km | 10 km |
| Jan 4, 2006 | 76 km NNW of Santa Rosalía, Mexico | M4.9 | 99 km | 10 km |
| Sep 10, 2011 | 83 km SSW of Bahía de Kino, Mexico | M4.9 | 104 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
12 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Hilary | Category 1 | 75 mph | 289 km |
| 2022 | Kay | Category 1 | 75 mph | 256 km |
| 2016 | Newton | Category 1 | 81 mph | 88 km |
| 2014 | Odile | Category 2 | 92 mph | 63 km |
| 2009 | Jimena | Category 2 | 104 mph | 57 km |
| 2008 | Norbert | Category 2 | 104 mph | 247 km |
| 2007 | Henriette | Category 1 | 75 mph | 158 km |
| 2003 | Marty | Category 1 | 81 mph | 137 km |
| 1997 | Nora | Category 1 | 86 mph | 264 km |
| 1992 | Lester | Category 1 | 81 mph | 129 km |
| 1986 | Newton | Category 1 | 86 mph | 239 km |
| 1984 | Norbert | Category 2 | 86 mph | 225 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Comondu-La Purisima (131 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Comondu-La Purisima | Volcanic field | 780 m (2,559 ft) | Unknown | 131 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 62°F (17°C) | 0.6 in | Coldest |
| February | 64°F (18°C) | 0.3 in | |
| March | 67°F (19°C) | 0.1 in | |
| April | 72°F (22°C) | 0.0 in | |
| May | 77°F (25°C) | 0.0 in | Driest |
| June | 85°F (29°C) | 0.0 in | |
| July | 89°F (31°C) | 0.6 in | |
| August | 89°F (32°C) | 1.5 in | Warmest |
| September | 87°F (31°C) | 1.7 in | Wettest |
| October | 80°F (27°C) | 0.6 in | |
| November | 70°F (21°C) | 0.3 in | |
| December | 63°F (17°C) | 0.5 in |
San Bruno has a seasonal temperature swing of 27°F / from 62°F in January to 89°F in August. Total annual precipitation is 6.0 inches, with September being the wettest month (1.7") and May the driest (0.0").