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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 78°F (26°C). Winters average 73°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 316 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 116.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,215 feet.
Temperature
73°F Jan (23°C)
81°F Jul (27°C)
| Annual Average | 78.4°F |
| 45% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 2,215 ft (675 m) |
| Area | 248.8 sq mi (644.3 km²) |
| Population Density | 6/sq mi |
| Coordinates | 18.2697°N, 94.8843°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
850 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Apr 7, 2011 | 7 km SW of Helio García Alfaro, Mexico | M6.6 | 132 km | 166 km |
| Jul 29, 2014 | 2 km SE of Santa Teresa, Mexico | M6.3 | 104 km | 107 km |
| Feb 25, 2011 | 3 km NNE of Aguilera, Mexico | M5.9 | 49 km | 123 km |
| Jan 30, 2002 | 5 km SSW of Tuxtilla, Mexico | M5.9 | 108 km | 109 km |
| Aug 7, 2004 | 17 km WNW of Palomares, Mexico | M5.9 | 125 km | 101 km |
| May 21, 2014 | 2 km SSW of Palomares, Mexico | M5.8 | 129 km | 120 km |
| Oct 29, 2009 | 27 km NE of Paso Nacional, Mexico | M5.7 | 99 km | 16 km |
| Jul 25, 1991 | 3 km WNW of Aguilera, Mexico | M5.7 | 53 km | 127 km |
| Mar 3, 2022 | Veracruz, Mexico | M5.7 | 56 km | 110 km |
| Apr 28, 2015 | 4 km NNE of Paso Real de Sarabia, Mexico | M5.5 | 130 km | 111 km |
| Jan 30, 2019 | 37 km NE of La Horqueta (Poblado Doce), Mexico | M5.4 | 133 km | 172 km |
| Apr 20, 2004 | 8 km S of Vicente Guerrero, Mexico | M5.4 | 97 km | 146 km |
| Jun 11, 2002 | 19 km N of Niños Héroes, Mexico | M5.3 | 83 km | 155 km |
| Dec 19, 2001 | 34 km WNW of Raudales Malpaso, Mexico | M5.3 | 147 km | 190 km |
| Jan 17, 2004 | 6 km SE of Abasolo del Valle, Mexico | M5.2 | 88 km | 110 km |
| Sep 15, 2016 | 4 km NW of Cuauhtémoc, Mexico | M5.2 | 127 km | 51 km |
| Apr 25, 1998 | 27 km SSW of Las Choapas, Mexico | M5.2 | 99 km | 59 km |
| May 2, 2014 | 14 km NNE of Niños Héroes, Mexico | M5.1 | 90 km | 148 km |
| Sep 8, 2009 | 5 km SSE of San Lorenzo, Mexico | M5.1 | 122 km | 100 km |
| Aug 29, 2021 | 1 km NNW of Dehesa, Mexico | M5.0 | 37 km | 122 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 3.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Grace | Category 3 | 121 mph | 260 km |
| 2017 | Franklin | Category 1 | 86 mph | 221 km |
| 2013 | Barbara | Category 1 | 81 mph | 253 km |
| 2010 | Karl | Category 3 | 127 mph | 159 km |
| 2007 | Dean | Category 2 | 98 mph | 224 km |
| 2007 | Lorenzo | Category 1 | 81 mph | 274 km |
| 2005 | Stan | Category 1 | 81 mph | 37 km |
| 1997 | Rick | Category 1 | 86 mph | 289 km |
| 1990 | Diana | Category 2 | 98 mph | 271 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: San Martin (47 km).
| Name | Type | Elevation | Last Eruption | Distance |
| San Martin | Shield | 1,650 m (5,413 ft) | 1796 | 47 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 2.6 in | |
| February | 69°F (21°C) | 1.6 in | |
| March | 74°F (23°C) | 1.3 in | |
| April | 77°F (25°C) | 0.7 in | Driest |
| May | 80°F (27°C) | 2.1 in | |
| June | 79°F (26°C) | 9.7 in | |
| July | 81°F (27°C) | 11.3 in | Warmest, Wettest |
| August | 77°F (25°C) | 10.5 in | |
| September | 76°F (25°C) | 11.2 in | |
| October | 74°F (23°C) | 9.1 in | |
| November | 72°F (22°C) | 5.0 in | |
| December | 69°F (21°C) | 4.0 in | Coldest |
San Fernando has a seasonal temperature swing of 12°F / from 69°F in December to 81°F in July. Total annual precipitation is 69.1 inches, with July being the wettest month (11.3") and April the driest (0.7").