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Weather & Climate in San Ramón, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Ramón 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 331 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 82.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 85 feet.
Temperature
73°F Jan (23°C)
81°F Jul (27°C)
| Annual Average | 77.9°F |
| 44% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 331 days/yr |
Geography
| Elevation | 85 ft (26 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 860/sq mi |
| Coordinates | 17.5760°N, 92.8171°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
211 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Oct 21, 1995 | 13 km NW of Ocozocoautla de Espinosa, Mexico | M7.2 | 107 km | 159 km |
| May 5, 2025 | 5 km NNE of Nuevo León, Mexico | M5.8 | 120 km | 261 km |
| Feb 1, 2003 | 7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico | M5.8 | 114 km | 211 km |
| May 20, 2017 | 21 km SE of La Horqueta (Poblado Doce), Mexico | M5.7 | 147 km | 144 km |
| Sep 1, 2012 | 11 km N of Plan de Agua Prieta, Mexico | M5.5 | 150 km | 257 km |
| Aug 5, 2024 | 17 km NW of Emiliano Zapata, Mexico | M5.4 | 145 km | 140 km |
| Jan 30, 2019 | 37 km NE of La Horqueta (Poblado Doce), Mexico | M5.4 | 123 km | 172 km |
| Dec 19, 2001 | 34 km WNW of Raudales Malpaso, Mexico | M5.3 | 115 km | 190 km |
| Apr 25, 1998 | 27 km SSW of Las Choapas, Mexico | M5.2 | 146 km | 59 km |
| Jan 20, 2011 | 4 km NNW of Vicente Guerrero, Mexico | M5.0 | 128 km | 154 km |
| Sep 6, 2011 | 6 km NW of Nuevo México, Mexico | M5.0 | 139 km | 153 km |
| Mar 4, 2021 | 27 km WNW of Francisco I. Madero, Mexico | M4.8 | 145 km | 163 km |
| Jan 3, 1998 | 15 km WNW of Plan de Ayala, Mexico | M4.7 | 86 km | 200 km |
| Jun 28, 1995 | 31 km NNE of Helio García Alfaro, Mexico | M4.7 | 145 km | 183 km |
| Jun 24, 2009 | 32 km NE of La Horqueta (Poblado Doce), Mexico | M4.7 | 123 km | 195 km |
| Apr 13, 2013 | 30 km E of La Horqueta (Poblado Doce), Mexico | M4.7 | 122 km | 178 km |
| Jan 22, 2014 | 15 km WNW of Francisco I. Madero, Mexico | M4.6 | 139 km | 173 km |
| Apr 16, 1990 | 16 km WNW of Emiliano Zapata, Mexico | M4.6 | 149 km | 127 km |
| Sep 17, 2003 | 28 km NW of Emiliano Zapata, Mexico | M4.6 | 148 km | 136 km |
| Nov 14, 2012 | 7 km SSW of Nuevo Juan del Grijalva, Mexico | M4.6 | 66 km | 21 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2013 | Barbara | Category 1 | 81 mph | 192 km |
| 2011 | Nate | Category 1 | 75 mph | 242 km |
| 2010 | Karl | Category 3 | 127 mph | 231 km |
| 2007 | Dean | Category 1 | 86 mph | 245 km |
| 2005 | Stan | Category 1 | 81 mph | 226 km |
| 1995 | Roxanne | Category 1 | 81 mph | 255 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 50.0 m (164 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2007 | JUAN DE GRIJALVA, CHIAPAS | Meteorological | 50.0 m | 19 | 86 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chichon, El (50 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chichon, El | Lava dome(s) | 1,150 m (3,773 ft) | 1982 | 50 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 8.7 in | Coldest |
| February | 74°F (24°C) | 6.7 in | |
| March | 78°F (26°C) | 4.2 in | |
| April | 82°F (28°C) | 3.9 in | Driest |
| May | 84°F (29°C) | 5.9 in | Warmest |
| June | 83°F (29°C) | 13.4 in | |
| July | 81°F (27°C) | 10.6 in | |
| August | 82°F (28°C) | 13.9 in | |
| September | 81°F (27°C) | 18.9 in | Wettest |
| October | 79°F (26°C) | 17.1 in | |
| November | 77°F (25°C) | 10.8 in | |
| December | 74°F (23°C) | 8.8 in |
San Ramón has a seasonal temperature swing of 12°F / from 73°F in January to 84°F in May. Total annual precipitation is 122.8 inches, with September being the wettest month (18.9") and April the driest (3.9").