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Weather & Climate in San Diego, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Diego has a warm climate with an average annual temperature of 77°F (25°C). Winters average 66°F in January while summers reach 86°F in July. The area gets 356 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 19.2 inches (drier than the 38-inch national average). The city sits at an elevation of 66 feet.
Temperature
66°F Jan (19°C)
86°F Jul (30°C)
| Annual Average | 76.7°F |
| 42% above US avg | |
| January Average | 66°F (19°C) |
| July Average | 86°F (30°C) |
| Sunny Days | 356 days/yr |
Geography
| Elevation | 66 ft (20 m) |
| Area | 1.7 sq mi (4.5 km²) |
| Population Density | 713/sq mi |
| Coordinates | 24.3820°N, 107.3310°W |
| Timezone | America/Mazatlan |
Precipitation & Snow
Air Quality
Earthquake History
60 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Jun 22, 1991 | 101 km SW of Altata, Mexico | M6.2 | 134 km | 10 km |
| Jun 5, 2005 | 114 km SW of Las Arenitas, Mexico | M5.6 | 131 km | 10 km |
| Jun 27, 1991 | 43 km SW of Altata, Mexico | M5.5 | 91 km | 10 km |
| Jul 7, 1998 | 112 km SSW of Altata, Mexico | M5.5 | 131 km | 10 km |
| Oct 5, 2012 | 109 km E of La Rivera, Mexico | M5.5 | 149 km | 10 km |
| Apr 4, 2021 | 97 km SW of Altata, Mexico | M5.4 | 139 km | 10 km |
| Jul 25, 2021 | 99 km ENE of La Rivera, Mexico | M5.4 | 146 km | 9 km |
| Aug 7, 2015 | 83 km SW of Altata, Mexico | M5.3 | 127 km | 10 km |
| May 4, 2001 | 99 km SW of Altata, Mexico | M5.3 | 143 km | 10 km |
| Jul 12, 2009 | 16 km WSW of Canelas, Mexico | M5.1 | 99 km | 34 km |
| Jan 12, 1997 | 94 km SSW of Altata, Mexico | M5.0 | 117 km | 24 km |
| Feb 28, 1993 | 104 km SW of Altata, Mexico | M4.7 | 139 km | 10 km |
| Mar 16, 1990 | 91 km WSW of Dautillos, Mexico | M4.7 | 149 km | 10 km |
| Jun 22, 1991 | 114 km E of La Rivera, Mexico | M4.7 | 137 km | 10 km |
| Jun 26, 2005 | 99 km ENE of La Rivera, Mexico | M4.7 | 146 km | 10 km |
| Jul 12, 1990 | 90 km SW of Altata, Mexico | M4.7 | 127 km | 10 km |
| Jul 25, 2021 | 100 km ENE of La Rivera, Mexico | M4.6 | 145 km | 10 km |
| May 31, 2015 | 97 km ENE of La Rivera, Mexico | M4.6 | 150 km | 10 km |
| Feb 2, 2002 | 100 km ENE of La Rivera, Mexico | M4.6 | 145 km | 10 km |
| Jan 6, 1998 | 61 km WSW of Dautillos, Mexico | M4.5 | 122 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
25 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Roslyn | Category 3 | 121 mph | 300 km |
| 2022 | Orlene | Category 2 | 98 mph | 207 km |
| 2021 | Olaf | Category 2 | 104 mph | 274 km |
| 2021 | Pamela | Category 1 | 75 mph | 99 km |
| 2019 | Lorena | Category 1 | 86 mph | 228 km |
| 2018 | Willa | Category 3 | 115 mph | 242 km |
| 2013 | Manuel | Category 1 | 75 mph | 82 km |
| 2007 | Henriette | Category 1 | 86 mph | 266 km |
| 2006 | Lane | Category 3 | 127 mph | 16 km |
| 2006 | John | Category 3 | 115 mph | 231 km |
| 2003 | Marty | Category 2 | 98 mph | 272 km |
| 2003 | Ignacio | Category 2 | 104 mph | 196 km |
| 1998 | Isis | Category 1 | 75 mph | 181 km |
| 1996 | Fausto | Category 1 | 81 mph | 269 km |
| 1995 | Henriette | Category 2 | 98 mph | 295 km |
| 1995 | Ismael | Category 1 | 81 mph | 169 km |
| 1994 | Rosa | Category 2 | 104 mph | 242 km |
| 1993 | Lidia | Category 2 | 98 mph | 17 km |
| 1989 | Kiko | Category 3 | 121 mph | 187 km |
| 1986 | Paine | Category 2 | 98 mph | 151 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 66°F (19°C) | 0.7 in | Coldest |
| February | 67°F (19°C) | 0.3 in | |
| March | 69°F (21°C) | 0.1 in | |
| April | 73°F (23°C) | 0.1 in | |
| May | 78°F (25°C) | 0.0 in | Driest |
| June | 85°F (29°C) | 1.2 in | |
| July | 86°F (30°C) | 5.2 in | Warmest |
| August | 85°F (29°C) | 6.4 in | Wettest |
| September | 85°F (29°C) | 5.5 in | |
| October | 83°F (28°C) | 2.8 in | |
| November | 75°F (24°C) | 1.3 in | |
| December | 70°F (21°C) | 0.8 in |
San Diego has a seasonal temperature swing of 21°F / from 66°F in January to 86°F in July. Total annual precipitation is 24.4 inches, with August being the wettest month (6.4") and May the driest (0.0").