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Weather & Climate in Río Blanco, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Río Blanco has a warm climate with an average annual temperature of 72°F (22°C). Winters average 68°F in January while summers reach 74°F in July / relatively mild seasonal variation. The area gets 189 sunny days per year. Annual precipitation totals 84.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,959 feet.
Temperature
68°F Jan (20°C)
74°F Jul (23°C)
| Annual Average | 72.4°F |
| 34% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 189 days/yr |
Geography
| Elevation | 2,959 ft (902 m) |
| Area | 302.0 sq mi (782.2 km²) |
| Population Density | 5/sq mi |
| Coordinates | 16.2050°N, 91.6343°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
360 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Mar 14, 1994 | 6 km ENE of Rizo de Oro, Mexico | M6.9 | 88 km | 164 km |
| Jun 14, 2017 | 2 km SSW of San Pablo, Guatemala | M6.9 | 150 km | 93 km |
| Dec 31, 1996 | 4 km SW of El Ramal (Porvenir), Mexico | M6.4 | 149 km | 100 km |
| Mar 17, 2005 | 10 km NE of San Bartolo, Guatemala | M6.1 | 121 km | 197 km |
| Jan 19, 2001 | 6 km NNE of Hidalgo, Mexico | M6.0 | 146 km | 93 km |
| Oct 17, 2000 | 4 km ENE of Nuevo Amatenango, Mexico | M5.8 | 89 km | 181 km |
| Jan 17, 2009 | 5 km NNW of Nueva Colombia, Mexico | M5.8 | 130 km | 169 km |
| Feb 1, 2003 | 7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico | M5.8 | 139 km | 211 km |
| May 5, 2025 | 5 km NNE of Nuevo León, Mexico | M5.8 | 105 km | 261 km |
| Feb 23, 2010 | 19 km NNE of Barillas, Guatemala | M5.6 | 48 km | 10 km |
| Sep 11, 2001 | 2 km WNW of San Carlos Sija, Guatemala | M5.6 | 135 km | 161 km |
| Sep 1, 2012 | 11 km N of Plan de Agua Prieta, Mexico | M5.5 | 122 km | 257 km |
| Jan 20, 2015 | 4 km NNW of San Francisco El Alto, Guatemala | M5.5 | 138 km | 154 km |
| Jun 26, 2012 | 8 km N of Tectitán, Guatemala | M5.4 | 102 km | 168 km |
| Jun 19, 2021 | 11 km NE of Rizo de Oro, Mexico | M5.4 | 85 km | 216 km |
| Jul 30, 2013 | 9 km W of Querétaro, Mexico | M5.4 | 136 km | 122 km |
| Feb 8, 2002 | 7 km N of Dolores Jaltenango, Mexico | M5.4 | 124 km | 210 km |
| Sep 1, 2015 | 4 km NNE of Hidalgo, Mexico | M5.4 | 147 km | 104 km |
| Feb 23, 2010 | 16 km NE of Barillas, Guatemala | M5.3 | 56 km | 9 km |
| Jun 6, 2006 | 8 km ESE of Cuilco, Guatemala | M5.3 | 94 km | 208 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2013 | Barbara | Category 1 | 81 mph | 242 km |
| 2010 | Richard | Category 1 | 75 mph | 291 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Tacana (130 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tacana | Stratovolcano | 4,064 m (13,333 ft) | 1986 | 130 km |
| Almolonga | Stratovolcano | 3,173 m (10,410 ft) | 1818 | 157 km |
| Santa Maria | Stratovolcano | 3,745 m (12,287 ft) | 2020 | 161 km |
| Toliman | Stratovolcano(es) | 3,158 m (10,361 ft) | Unknown | 184 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 3.0 in | Coldest |
| February | 69°F (20°C) | 1.8 in | |
| March | 72°F (22°C) | 1.6 in | Driest |
| April | 75°F (24°C) | 2.2 in | |
| May | 76°F (25°C) | 5.4 in | Warmest |
| June | 76°F (24°C) | 14.3 in | |
| July | 74°F (23°C) | 11.6 in | |
| August | 74°F (23°C) | 11.8 in | |
| September | 74°F (24°C) | 14.3 in | Wettest |
| October | 73°F (23°C) | 9.8 in | |
| November | 71°F (21°C) | 5.0 in | |
| December | 68°F (20°C) | 3.6 in |
Río Blanco has a seasonal temperature swing of 9°F / from 68°F in January to 76°F in May. Total annual precipitation is 84.1 inches, with September being the wettest month (14.3") and March the driest (1.6").