All Countries
Weather & Climate in San Juan Jaltepec, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Juan Jaltepec has a warm climate with an average annual temperature of 77°F (25°C). Winters average 71°F in January while summers reach 79°F in July / relatively mild seasonal variation. The area gets 199 sunny days per year. Annual precipitation totals 93.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,184 feet.
Temperature
71°F Jan (22°C)
79°F Jul (26°C)
| Annual Average | 77.1°F |
| 43% above US avg | |
| January Average | 71°F (22°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 199 days/yr |
Geography
| Elevation | 1,184 ft (361 m) |
| Area | 211.3 sq mi (547.3 km²) |
| Population Density | 5/sq mi |
| Coordinates | 17.3528°N, 95.6617°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
1,451 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 | 142 km | 166 km |
| Jul 29, 2014 | 2 km SE of Santa Teresa, Mexico | M6.3 | 37 km | 107 km |
| Sep 23, 2017 | 7 km NNE of Ixtepec, Mexico | M6.1 | 102 km | 10 km |
| Feb 25, 2011 | 3 km NNE of Aguilera, Mexico | M5.9 | 88 km | 123 km |
| Aug 7, 2004 | 17 km WNW of Palomares, Mexico | M5.9 | 50 km | 101 km |
| Jan 30, 2002 | 5 km SSW of Tuxtilla, Mexico | M5.9 | 97 km | 109 km |
| Aug 18, 2004 | 8 km E of Juchitán de Zaragoza, Mexico | M5.9 | 128 km | 63 km |
| May 21, 2014 | 2 km SSW of Palomares, Mexico | M5.8 | 68 km | 120 km |
| Aug 2, 2025 | 4 km S of Xagacía, Mexico | M5.8 | 69 km | 63 km |
| Mar 3, 2022 | Veracruz, Mexico | M5.7 | 98 km | 110 km |
| Jul 25, 1991 | 3 km WNW of Aguilera, Mexico | M5.7 | 83 km | 127 km |
| Aug 28, 1994 | 6 km N of San Pedro Ocotepec, Mexico | M5.6 | 43 km | 68 km |
| Apr 28, 2015 | 4 km NNE of Paso Real de Sarabia, Mexico | M5.5 | 72 km | 111 km |
| Mar 6, 2022 | 3 km S of Zacatal, Mexico | M5.5 | 69 km | 95 km |
| May 25, 2022 | 12 km WNW of Santa María Zapotitlán, Mexico | M5.5 | 135 km | 34 km |
| Apr 20, 2004 | 8 km S of Vicente Guerrero, Mexico | M5.4 | 101 km | 146 km |
| Jun 28, 2015 | 11 km NE of La Blanca, Mexico | M5.4 | 133 km | 89 km |
| Sep 8, 2017 | 2 km N of San Mateo del Mar, Mexico | M5.3 | 144 km | 63 km |
| Jun 11, 2002 | 19 km N of Niños Héroes, Mexico | M5.3 | 125 km | 155 km |
| Mar 1, 2022 | 5 km SE of San Cristóbal Amatlán, Mexico | M5.3 | 142 km | 40 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
8 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 4 | 138 mph | 284 km |
| 2022 | Agatha | Category 2 | 104 mph | 180 km |
| 2013 | Barbara | Category 1 | 81 mph | 227 km |
| 2012 | Carlotta | Category 2 | 109 mph | 217 km |
| 2010 | Karl | Category 3 | 127 mph | 210 km |
| 2005 | Stan | Category 1 | 81 mph | 160 km |
| 1997 | Pauline | Category 4 | 132 mph | 226 km |
| 1997 | Rick | Category 1 | 86 mph | 166 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 0.4 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1965 | MEXICO | Earthquake | 0.4 m | 6 | 118 km |
| 2022 | S. MEXICO | Earthquake | 0.2 m | — | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: San Martin (144 km).
| Name | Type | Elevation | Last Eruption | Distance |
| San Martin | Shield | 1,650 m (5,413 ft) | 1796 | 144 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (22°C) | 2.2 in | Coldest |
| February | 72°F (22°C) | 1.4 in | |
| March | 76°F (25°C) | 1.3 in | Driest |
| April | 80°F (27°C) | 1.4 in | |
| May | 83°F (28°C) | 4.1 in | Warmest |
| June | 81°F (27°C) | 13.7 in | |
| July | 79°F (26°C) | 20.4 in | Wettest |
| August | 79°F (26°C) | 19.0 in | |
| September | 79°F (26°C) | 15.8 in | |
| October | 77°F (25°C) | 8.2 in | |
| November | 75°F (24°C) | 4.0 in | |
| December | 72°F (22°C) | 2.2 in |
San Juan Jaltepec has a seasonal temperature swing of 11°F / from 71°F in January to 83°F in May. Total annual precipitation is 93.8 inches, with July being the wettest month (20.4") and March the driest (1.3").