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Weather & Climate in Francisco Zarco, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Francisco Zarco enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 54°F in January while summers reach 74°F in July. The area gets 314 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 12.1 inches (drier than the 38-inch national average). The city sits at an elevation of 1,102 feet.
Temperature
54°F Jan (12°C)
74°F Jul (23°C)
| Annual Average | 62.8°F |
| 16% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 314 days/yr |
Geography
| Elevation | 1,102 ft (336 m) |
| Area | 7.7 sq mi (20.0 km²) |
| Population Density | 345/sq mi |
| Coordinates | 32.0950°N, 116.5719°W |
| Timezone | America/Tijuana |
Precipitation & Snow
Air Quality
Earthquake History
10,565 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Apr 4, 2010 | The 2010 Sierra El Mayor, B.C., Mexico Earthquake | M7.2 | 122 km | 10 km |
| Dec 30, 2009 | 12km N of Delta, B.C., MX | M5.8 | 136 km | 6 km |
| Jun 15, 2010 | 8km ESE of Ocotillo, CA | M5.7 | 92 km | 9 km |
| Feb 22, 2002 | 13km WSW of Delta, B.C., MX | M5.7 | 120 km | 7 km |
| Dec 8, 2001 | 22km S of Estacion Coahuila, B.C., MX | M5.7 | 148 km | 7 km |
| Apr 4, 2010 | 12km SSW of Estacion Coahuila, B.C., MX | M5.7 | 144 km | 10 km |
| Apr 4, 2010 | 9km SW of Delta, B.C., MX | M5.4 | 126 km | 10 km |
| Jul 7, 2010 | 20km NNW of Borrego Springs, CA | M5.4 | 147 km | 12 km |
| Aug 26, 2012 | 4km NNW of Brawley, CA | M5.4 | 141 km | 8 km |
| Apr 4, 2010 | 12km WNW of Alberto Oviedo Mota, B.C., MX | M5.4 | 122 km | 10 km |
| May 24, 2006 | 6km SSW of Delta, B.C., MX | M5.4 | 129 km | 6 km |
| Aug 26, 2012 | 5km NNW of Brawley, CA | M5.3 | 140 km | 8 km |
| Dec 3, 1991 | 71km E of Maneadero, B.C., MX | M5.3 | 80 km | 6 km |
| Apr 8, 2010 | 12km SW of Alberto Oviedo Mota, B.C., MX | M5.3 | 123 km | 10 km |
| Mar 23, 1994 | 35km E of Maneadero, B.C., MX | M5.3 | 54 km | 5 km |
| Apr 4, 2010 | 15km SSW of Progreso, B.C., MX | M5.3 | 97 km | 10 km |
| Jun 5, 2021 | 11km W of Calipatria, CA | M5.3 | 146 km | 6 km |
| Apr 5, 2010 | 27km SSW of Estacion Coahuila, B.C., MX | M5.2 | 136 km | 10 km |
| Apr 14, 2025 | 5 km S of Julian, CA | M5.2 | 105 km | 14 km |
| Jun 10, 2016 | 20km NNW of Borrego Springs, CA | M5.2 | 149 km | 12 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 1.2 m (4 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1862 | S. CALIFORNIA | Eruption + Earthquake | 1.2 m | — | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Salton Buttes (152 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 152 km |
| San Quintin Volcanic Field | Pyroclastic cone(s) | 260 m (853 ft) | Unknown | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: CEDAR (268,362 acres, 2003).
| Year | Name | Acres Burned | Distance |
| 2003 | CEDAR | 268,362 | 96 km |
| 2007 | HARRIS | 90,443 | 64 km |
| 2003 | MINE/OTAY | 37,232 | 64 km |
| 2006 | HORSE | 16,659 | 70 km |
| 2020 | VALLEY | 16,517 | 72 km |
| 1996 | OTAY 322 | 12,238 | 62 km |
| 2001 | VIEJAS | 10,942 | 80 km |
| 1995 | SYCAMORE | 9,626 | 59 km |
| 1995 | EL MONTE | 8,482 | 93 km |
| 2016 | BORDER 3 | 7,958 | 57 km |
| 1985 | MILLER | 7,809 | 75 km |
| 2013 | CHARIOT | 7,250 | 93 km |
| 1995 | BUTTERFIELD | 7,165 | 95 km |
| 1993 | EAGLE | 5,784 | 100 km |
| 2021 | SOUTHERN | 5,525 | 99 km |
| 2012 | BORDER 6 | 5,301 | 61 km |
| 2007 | INKOPAH | 5,037 | 75 km |
| 1989 | THING 2 | 4,650 | 87 km |
| 1999 | LAGUNA 100 | 4,586 | 91 km |
| 2022 | BORDER 32 | 4,530 | 58 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 2.2 in | Coldest |
| February | 54°F (12°C) | 2.3 in | Wettest |
| March | 55°F (13°C) | 2.3 in | |
| April | 58°F (15°C) | 0.8 in | |
| May | 62°F (17°C) | 0.2 in | |
| June | 68°F (20°C) | 0.0 in | Driest |
| July | 74°F (23°C) | 0.1 in | |
| August | 75°F (24°C) | 0.2 in | Warmest |
| September | 73°F (23°C) | 0.3 in | |
| October | 66°F (19°C) | 0.5 in | |
| November | 59°F (15°C) | 1.3 in | |
| December | 54°F (12°C) | 1.8 in |
Francisco Zarco has a seasonal temperature swing of 21°F / from 54°F in January to 75°F in August. Total annual precipitation is 12.0 inches, with February being the wettest month (2.3") and June the driest (0.0").