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Weather & Climate in San Bernardino, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Bernardino has a warm climate with an average annual temperature of 79°F (26°C). Winters average 76°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 268 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 37.4 inches. The city sits at an elevation of 253 feet.
Temperature
76°F Jan (25°C)
80°F Jul (27°C)
| Annual Average | 78.7°F |
| 46% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 268 days/yr |
Geography
| Elevation | 253 ft (77 m) |
| Area | 173.3 sq mi (448.8 km²) |
| Population Density | 5/sq mi |
| Coordinates | 15.7888°N, 96.8165°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
1,577 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Sep 30, 1999 | 15 km W of San Baltazar Loxicha, Mexico | M7.5 | 32 km | 61 km |
| Jun 23, 2020 | 9 km SE of Santa María Xadani, Mexico | M7.4 | 87 km | 20 km |
| Feb 16, 2018 | 4 km S of Pinotepa de Don Luis, Mexico | M7.2 | 141 km | 22 km |
| Feb 25, 1996 | 24 km SSW of Santa María Chico Ometepec, Mexico | M7.1 | 136 km | 21 km |
| Jul 4, 1994 | 108 km SSW of La Barra de Colotepec, Mexico | M6.5 | 114 km | 15 km |
| Feb 3, 1998 | 2 km E of Benito Juárez, Mexico | M6.4 | 56 km | 33 km |
| Jun 30, 2010 | 2 km ESE of San Agustín Chayuco, Mexico | M6.3 | 123 km | 20 km |
| Feb 25, 1996 | 7 km SE of Santa María Chico Ometepec, Mexico | M6.2 | 125 km | 12 km |
| Mar 19, 1996 | 21 km WSW of Bajos de Chila, Mexico | M5.9 | 53 km | 33 km |
| Feb 19, 2018 | 4 km SSE of Santiago Tetepec, Mexico | M5.9 | 112 km | 22 km |
| Jun 14, 2004 | 0 km W of Santa Catarina Mechoacán, Mexico | M5.9 | 126 km | 10 km |
| May 8, 2016 | 3 km WNW of San Agustín Chayuco, Mexico | M5.8 | 130 km | 22 km |
| Feb 17, 2018 | 8 km SE of José María Morelos, Mexico | M5.8 | 119 km | 3 km |
| Feb 9, 2010 | 8 km E of Santa María Colotepec, Mexico | M5.7 | 13 km | 40 km |
| Jun 27, 2016 | 8 km S of La Reforma, Mexico | M5.7 | 138 km | 19 km |
| Jun 7, 2002 | 4 km N of Santa Catarina Loxicha, Mexico | M5.6 | 36 km | 33 km |
| Jan 13, 2004 | 15 km SSW of San Jerónimo Coatlán, Mexico | M5.5 | 38 km | 28 km |
| Jan 21, 1997 | 3 km E of San Miguel Tlacamama, Mexico | M5.5 | 148 km | 33 km |
| Feb 26, 1996 | 21 km SSW of San José del Progreso, Mexico | M5.5 | 107 km | 33 km |
| Jun 14, 2017 | 57 km SSW of La Barra de Colotepec, Mexico | M5.5 | 65 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
16 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 4 | 138 mph | 72 km |
| 2024 | John | Category 3 | 121 mph | 182 km |
| 2023 | Otis | Category 4 | 150 mph | 285 km |
| 2022 | Agatha | Category 2 | 109 mph | 25 km |
| 2022 | Bonnie | Category 2 | 98 mph | 262 km |
| 2017 | Max | Category 1 | 92 mph | 244 km |
| 2013 | Barbara | Category 1 | 75 mph | 280 km |
| 2012 | Carlotta | Category 2 | 109 mph | 9 km |
| 2011 | Hilary | Category 2 | 104 mph | 210 km |
| 2006 | John | Category 3 | 109 mph | 240 km |
| 1998 | Lester | Category 2 | 104 mph | 144 km |
| 1997 | Pauline | Category 4 | 132 mph | 13 km |
| 1997 | Rick | Category 2 | 92 mph | 26 km |
| 1996 | Douglas | Category 1 | 86 mph | 244 km |
| 1989 | Cosme | Category 1 | 86 mph | 253 km |
| 1984 | Boris | Category 1 | 75 mph | 267 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 tsunamis recorded within 500 km. Highest wave on record: 1.6 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2020 | OFF COAST OF OAXACA | Earthquake | 1.6 m | 10 | 87 km |
| 1965 | MEXICO | Earthquake | 0.4 m | 6 | 123 km |
| 2022 | S. MEXICO | Earthquake | 0.2 m | — | 101 km |
| 1928 | S. MEXICO | Earthquake | 0.2 m | 4 | 36 km |
| 1996 | MEXICO | Earthquake | 0.1 m | — | 136 km |
| 1968 | ACAPULCO | Earthquake | — | 18 | 128 km |
| 1928 | MEXICO | Earthquake | — | — | 78 km |
| 1870 | PUERTO ANGEL, MEXICO | Earthquake | — | 24 | 70 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 0.2 in | Coldest |
| February | 77°F (25°C) | 0.2 in | |
| March | 78°F (26°C) | 0.1 in | Driest |
| April | 80°F (27°C) | 0.3 in | |
| May | 81°F (27°C) | 2.8 in | Warmest |
| June | 80°F (27°C) | 7.3 in | |
| July | 80°F (27°C) | 5.8 in | |
| August | 80°F (26°C) | 7.8 in | |
| September | 79°F (26°C) | 8.8 in | Wettest |
| October | 79°F (26°C) | 3.7 in | |
| November | 78°F (26°C) | 0.3 in | |
| December | 77°F (25°C) | 0.2 in |
San Bernardino has a seasonal temperature swing of 5°F / from 76°F in January to 81°F in May. Total annual precipitation is 37.4 inches, with September being the wettest month (8.8") and March the driest (0.1").