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Weather & Climate in Fraccionamiento 18 de Marzo, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fraccionamiento 18 de Marzo enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 61°F in January while summers reach 69°F in July / relatively mild seasonal variation. 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 21.5 inches (drier than the 38-inch national average). The city sits at an elevation of 5,066 feet.
Temperature
61°F Jan (16°C)
69°F Jul (20°C)
| Annual Average | 67.5°F |
| 25% above US avg | |
| January Average | 61°F (16°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 356 days/yr |
Geography
| Elevation | 5,066 ft (1,544 m) |
| Area | 4.3 sq mi (11.0 km²) |
| Population Density | 163/sq mi |
| Coordinates | 20.0042°N, 102.7197°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
92 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Sep 29, 1992 | 8 km SSE of Tecalitlán, Mexico | M5.3 | 90 km | 95 km |
| Aug 15, 1999 | 27 km WSW of Los Olivos, Mexico | M5.3 | 108 km | 86 km |
| Oct 29, 1990 | 6 km NE of El Chauz, Mexico | M5.1 | 140 km | 99 km |
| May 11, 2021 | 8 km ENE of Aguililla, Mexico | M5.0 | 138 km | 58 km |
| May 22, 2025 | 2 km WSW of Nueva Italia de Ruiz, Mexico | M4.8 | 127 km | 107 km |
| Oct 18, 1994 | 7 km S of El Chauz, Mexico | M4.7 | 149 km | 86 km |
| Apr 11, 2021 | 15 km W of Aguililla, Mexico | M4.7 | 142 km | 76 km |
| Sep 28, 1996 | 1 km W of Tonila, Mexico | M4.7 | 106 km | 102 km |
| Apr 16, 2025 | 5 km N of La Higuera, Mexico | M4.5 | 93 km | 10 km |
| May 29, 2022 | 20 km ESE of Aguililla, Mexico | M4.5 | 150 km | 78 km |
| May 11, 2016 | 3 km SE of Nextipac, Mexico | M4.5 | 116 km | 10 km |
| Aug 11, 1990 | 20 km SE of Los Tepames, Mexico | M4.5 | 140 km | 57 km |
| May 3, 1992 | 17 km SSW of Loma de los Hoyos, Mexico | M4.5 | 125 km | 107 km |
| May 30, 2005 | 7 km NNE of Cofradía de Suchitlán, Mexico | M4.5 | 117 km | 9 km |
| Mar 15, 2023 | 2 km SSE of Santa Ana Zirosto, Mexico | M4.4 | 69 km | 10 km |
| Feb 7, 1998 | 2 km SW of Bonifacio Moreno (El Aguaje), Mexico | M4.4 | 114 km | 96 km |
| Jul 20, 2008 | 17 km W of Aguililla, Mexico | M4.4 | 140 km | 65 km |
| Apr 14, 2005 | 21 km SSE of Los Tepames, Mexico | M4.3 | 149 km | 5 km |
| Apr 28, 1992 | 11 km W of Aguililla, Mexico | M4.3 | 142 km | 89 km |
| Jan 11, 2011 | 2 km NE of Comala, Mexico | M4.3 | 130 km | 94 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
19 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lidia | Category 4 | 138 mph | 211 km |
| 2023 | Beatriz | Category 1 | 86 mph | 206 km |
| 2021 | Rick | Category 2 | 104 mph | 162 km |
| 2021 | Nora | Category 1 | 86 mph | 271 km |
| 2019 | Lorena | Category 1 | 81 mph | 230 km |
| 2015 | Patricia | Category 5 | 207 mph | 184 km |
| 2015 | Carlos | Category 1 | 92 mph | 274 km |
| 2011 | Jova | Category 2 | 98 mph | 238 km |
| 2011 | Beatriz | Category 1 | 92 mph | 215 km |
| 2009 | Andres | Category 1 | 81 mph | 275 km |
| 2006 | John | Category 3 | 127 mph | 299 km |
| 1996 | Alma | Category 2 | 104 mph | 225 km |
| 1996 | Hernan | Category 1 | 86 mph | 208 km |
| 1996 | Boris | Category 1 | 92 mph | 155 km |
| 1993 | Calvin | Category 2 | 109 mph | 238 km |
| 1992 | Winifred | Category 3 | 115 mph | 179 km |
| 1992 | Virgil | Category 3 | 109 mph | 187 km |
| 1987 | Eugene | Category 2 | 98 mph | 245 km |
| 1984 | Odile | Category 1 | — | 286 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1932 | CENTRAL MEXICO | Earthquake | 10.0 m | 400 | 132 km |
| 1932 | CENTRAL MEXICO | Earthquake | 1.0 m | — | 140 km |
| 1941 | MEXICO | Earthquake | — | 84 | 150 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Michoacan-Guanajuato (103 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Michoacan-Guanajuato | Pyroclastic cone(s) | 3,860 m (12,664 ft) | 1952 | 103 km |
| Colima | Stratovolcano(es) | 3,850 m (12,631 ft) | 2019 | 109 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 61°F (16°C) | 0.7 in | Coldest |
| February | 63°F (17°C) | 0.3 in | |
| March | 67°F (20°C) | 0.2 in | Driest |
| April | 71°F (22°C) | 0.2 in | |
| May | 74°F (23°C) | 1.1 in | Warmest |
| June | 73°F (23°C) | 6.7 in | |
| July | 69°F (20°C) | 7.9 in | Wettest |
| August | 70°F (21°C) | 5.9 in | |
| September | 70°F (21°C) | 5.1 in | |
| October | 68°F (20°C) | 2.1 in | |
| November | 65°F (18°C) | 0.7 in | |
| December | 62°F (17°C) | 0.4 in |
Fraccionamiento 18 de Marzo has a seasonal temperature swing of 12°F / from 61°F in January to 74°F in May. Total annual precipitation is 31.2 inches, with July being the wettest month (7.9") and March the driest (0.2").