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Weather & Climate in San Bartolo del Llano, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Bartolo del Llano experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 44°F in January while summers reach 50°F in July / relatively mild seasonal variation. The area gets 353 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 42.1 inches. The area receives 1.1 inches of snow annually. The city sits at an elevation of 8,360 feet.
Temperature
44°F Jan (7°C)
50°F Jul (10°C)
| Annual Average | 48.7°F |
| 10% below US avg | |
| January Average | 44°F (7°C) |
| July Average | 50°F (10°C) |
| Sunny Days | 353 days/yr |
Geography
| Elevation | 8,360 ft (2,548 m) |
| Area | 185.2 sq mi (479.7 km²) |
| Population Density | 66/sq mi |
| Coordinates | 19.5907°N, 99.7410°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
175 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Feb 28, 2025 | 3 km NE of Pololcingo, Mexico | M5.0 | 149 km | 65 km |
| Jul 19, 1993 | 4 km W of San Antonio del Rosario, Mexico | M4.9 | 147 km | 56 km |
| Apr 22, 1994 | 7 km ESE of Palmar Chico, Mexico | M4.6 | 119 km | 70 km |
| Apr 5, 2022 | 17 km NNW of Tuzantla, Mexico | M4.5 | 100 km | 4 km |
| Jun 21, 1996 | 4 km ENE of Villa Madero, Mexico | M4.3 | 147 km | 61 km |
| Apr 30, 2006 | 5 km SSE of San Diego de Alcalá, Mexico | M4.2 | 123 km | 15 km |
| Mar 15, 1998 | 2 km NE of Macutzio, Mexico | M4.2 | 64 km | 15 km |
| Mar 4, 2000 | 3 km NE of Tulcingo, Mexico | M4.1 | 147 km | 0 km |
| Mar 12, 2000 | 1 km SE of Teocalco, Mexico | M4.1 | 73 km | 5 km |
| May 28, 2007 | 6 km NNE of Acapetlahuaya, Mexico | M4.1 | 128 km | 55 km |
| Mar 21, 1998 | 8 km W of San Mateo Ozolco, Mexico | M4.1 | 131 km | 5 km |
| Feb 4, 2003 | Puebla region, Mexico | M4.1 | 148 km | 1 km |
| Apr 21, 1998 | central Mexico | M4.1 | 135 km | 0 km |
| Jul 17, 2012 | 12 km NNW of Ixcapuzalco, Mexico | M4.1 | 110 km | 76 km |
| May 6, 2013 | 12 km NW of San Pedro Benito Juárez, Mexico | M4.1 | 132 km | 1 km |
| Mar 2, 2002 | 8 km SW of Acapetlahuaya, Mexico | M4.1 | 143 km | 51 km |
| Apr 17, 2010 | 5 km SSE of Pozuelos, Mexico | M4.0 | 120 km | 2 km |
| May 30, 2007 | 4 km SSW of Lomas de Tepemecatl, Mexico | M4.0 | 66 km | 15 km |
| Aug 7, 2005 | 2 km W of San Isidro, Mexico | M4.0 | 120 km | 5 km |
| Sep 23, 2013 | 2 km ENE of Chilcuautla, Mexico | M4.0 | 100 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
13 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 1 | 75 mph | 281 km |
| 2024 | John | Category 2 | 98 mph | 255 km |
| 2023 | Otis | Category 4 | 98 mph | 218 km |
| 2021 | Grace | Category 3 | 121 mph | 236 km |
| 2021 | Rick | Category 2 | 104 mph | 291 km |
| 2017 | Katia | Category 1 | 81 mph | 298 km |
| 2007 | Dean | Category 2 | 98 mph | 274 km |
| 2007 | Lorenzo | Category 1 | 75 mph | 294 km |
| 1997 | Pauline | Category 1 | — | 288 km |
| 1996 | Boris | Category 1 | 92 mph | 275 km |
| 1993 | Gert | Category 2 | 98 mph | 225 km |
| 1990 | Diana | Category 2 | 98 mph | 284 km |
| 1988 | Debby | Category 1 | 75 mph | 283 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Toluca, Nevado de (54 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Toluca, Nevado de | Stratovolcano | 4,680 m (15,354 ft) | -1350 | 54 km |
| Zitacuaro-Valle de Bravo | Caldera | 3,500 m (11,483 ft) | -3050 | 57 km |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 86 km |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 114 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 124 km |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 133 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 0.8 in | Coldest |
| February | 52°F (11°C) | 0.4 in | Driest |
| March | 55°F (13°C) | 0.4 in | |
| April | 58°F (14°C) | 0.9 in | |
| May | 60°F (16°C) | 3.0 in | Warmest |
| June | 60°F (15°C) | 7.6 in | |
| July | 50°F (10°C) | 9.0 in | Wettest |
| August | 58°F (14°C) | 8.0 in | |
| September | 58°F (14°C) | 6.7 in | |
| October | 56°F (13°C) | 3.0 in | |
| November | 53°F (12°C) | 0.8 in | |
| December | 51°F (10°C) | 0.5 in |
San Bartolo del Llano has a seasonal temperature swing of 16°F / from 44°F in January to 60°F in May. Total annual precipitation is 41.0 inches, with July being the wettest month (9.0") and February the driest (0.4").