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Weather & Climate in San Fernando, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Fernando has a warm climate with an average annual temperature of 76°F (25°C). Winters average 64°F in January while summers reach 88°F in July. The area gets 349 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 21.4 inches (drier than the 38-inch national average). The city sits at an elevation of 39 feet.
Temperature
64°F Jan (18°C)
88°F Jul (31°C)
| Annual Average | 76.3°F |
| 41% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 88°F (31°C) |
| Sunny Days | 349 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 1,546.8 sq mi (4,006.1 km²) |
| Population Density | 1/sq mi |
| Coordinates | 25.5580°N, 108.6098°W |
| Timezone | America/Mazatlan |
Precipitation & Snow
Air Quality
Earthquake History
207 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.
| Sep 13, 2015 | 95 km SW of Topolobampo, Mexico | M6.7 | 125 km | 10 km |
| Mar 16, 1990 | 72 km SSW of El Huitusi, Mexico | M6.1 | 85 km | 10 km |
| Jul 26, 2011 | 73 km SW of Topolobampo, Mexico | M6.0 | 105 km | 12 km |
| Jul 3, 2009 | 82 km SSW of Campo Pesquero el Colorado, Mexico | M6.0 | 124 km | 10 km |
| Oct 8, 2012 | 74 km SW of Topolobampo, Mexico | M5.9 | 108 km | 14 km |
| Mar 19, 1996 | 71 km SSW of Topolobampo, Mexico | M5.8 | 95 km | 10 km |
| Mar 29, 2017 | 71 km WSW of Las Grullas Margen Derecha, Mexico | M5.7 | 143 km | 17 km |
| Mar 18, 1994 | 86 km SSW of El Huitusi, Mexico | M5.7 | 99 km | 10 km |
| Feb 22, 2005 | 66 km W of Campo Pesquero el Colorado, Mexico | M5.6 | 137 km | 10 km |
| Sep 13, 2015 | 99 km SSW of Topolobampo, Mexico | M5.6 | 123 km | 10 km |
| Dec 26, 1991 | 62 km SW of Campo Pesquero el Colorado, Mexico | M5.6 | 112 km | 10 km |
| Mar 12, 2011 | 79 km SW of Campo Pesquero el Colorado, Mexico | M5.6 | 128 km | 13 km |
| May 12, 1994 | 63 km SSW of Topolobampo, Mexico | M5.6 | 88 km | 10 km |
| Apr 15, 2003 | 73 km SSW of Topolobampo, Mexico | M5.5 | 101 km | 10 km |
| Jun 27, 1991 | 43 km SW of Altata, Mexico | M5.5 | 138 km | 10 km |
| Mar 12, 2011 | 64 km SW of Campo Pesquero el Colorado, Mexico | M5.4 | 116 km | 10 km |
| Jul 28, 1997 | 55 km SW of Campo Pesquero el Colorado, Mexico | M5.4 | 106 km | 10 km |
| Sep 13, 2015 | 100 km SW of Topolobampo, Mexico | M5.3 | 131 km | 10 km |
| Jul 3, 2009 | 55 km SW of Campo Pesquero el Colorado, Mexico | M5.3 | 110 km | 10 km |
| Oct 13, 2016 | 52 km SW of Campo Pesquero el Colorado, Mexico | M5.3 | 113 km | 24 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
22 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Olaf | Category 2 | 104 mph | 289 km |
| 2021 | Pamela | Category 1 | 75 mph | 283 km |
| 2019 | Lorena | Category 1 | 86 mph | 220 km |
| 2016 | Newton | Category 1 | 86 mph | 285 km |
| 2014 | Odile | Category 3 | 127 mph | 265 km |
| 2013 | Manuel | Category 1 | 75 mph | 104 km |
| 2008 | Norbert | Category 2 | 104 mph | 135 km |
| 2007 | Henriette | Category 1 | 81 mph | 177 km |
| 2006 | Lane | Category 3 | 127 mph | 163 km |
| 2006 | John | Category 2 | 109 mph | 235 km |
| 2003 | Marty | Category 2 | 98 mph | 201 km |
| 2003 | Ignacio | Category 2 | 104 mph | 202 km |
| 1998 | Isis | Category 1 | 75 mph | 64 km |
| 1996 | Fausto | Category 1 | 86 mph | 101 km |
| 1995 | Ismael | Category 1 | 81 mph | 49 km |
| 1993 | Lidia | Category 2 | 98 mph | 171 km |
| 1989 | Kiko | Category 3 | 121 mph | 236 km |
| 1986 | Paine | Category 2 | 92 mph | 51 km |
| 1986 | Newton | Category 1 | 86 mph | 130 km |
| 1985 | Waldo | Category 2 | 104 mph | 216 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 0.7 in | Coldest |
| February | 66°F (19°C) | 0.4 in | |
| March | 68°F (20°C) | 0.2 in | |
| April | 73°F (23°C) | 0.0 in | Driest |
| May | 78°F (25°C) | 0.1 in | |
| June | 85°F (30°C) | 0.2 in | |
| July | 88°F (31°C) | 3.3 in | Warmest |
| August | 87°F (30°C) | 4.9 in | Wettest |
| September | 86°F (30°C) | 4.1 in | |
| October | 82°F (28°C) | 1.7 in | |
| November | 73°F (23°C) | 0.7 in | |
| December | 67°F (19°C) | 0.9 in |
San Fernando has a seasonal temperature swing of 23°F / from 64°F in January to 88°F in July. Total annual precipitation is 17.2 inches, with August being the wettest month (4.9") and April the driest (0.0").