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Weather & Climate in Río Negro, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Río Negro 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 1,296 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 | 1,296 ft (395 m) |
| Area | 55.5 sq mi (143.8 km²) |
| Population Density | 12/sq mi |
| Coordinates | 17.3337°N, 93.1011°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
507 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 | 67 km | 159 km |
| Apr 7, 2011 | 7 km SW of Helio García Alfaro, Mexico | M6.6 | 132 km | 166 km |
| Jul 6, 2007 | 6 km N of Lázaro Cárdenas, Mexico | M6.1 | 145 km | 113 km |
| Aug 9, 2023 | 7 km NNE of Tonalá, Mexico | M5.8 | 147 km | 103 km |
| May 5, 2025 | 5 km NNE of Nuevo León, Mexico | M5.8 | 107 km | 261 km |
| Feb 1, 2003 | 7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico | M5.8 | 90 km | 211 km |
| May 20, 2017 | 21 km SE of La Horqueta (Poblado Doce), Mexico | M5.7 | 109 km | 144 km |
| Aug 5, 2015 | 11 km ENE of Tonalá, Mexico | M5.7 | 146 km | 101 km |
| Mar 12, 1994 | 30 km NNE of Santo Domingo Zanatepec, Mexico | M5.6 | 141 km | 97 km |
| Sep 1, 2012 | 11 km N of Plan de Agua Prieta, Mexico | M5.5 | 128 km | 257 km |
| May 23, 2016 | 9 km WSW of Emiliano Zapata, Mexico | M5.4 | 110 km | 124 km |
| Jan 30, 2019 | 37 km NE of La Horqueta (Poblado Doce), Mexico | M5.4 | 93 km | 172 km |
| Jun 7, 2009 | 5 km SW of Emiliano Zapata, Mexico | M5.4 | 135 km | 140 km |
| Aug 5, 2024 | 17 km NW of Emiliano Zapata, Mexico | M5.4 | 105 km | 140 km |
| Aug 28, 2001 | 11 km E of Arriaga, Mexico | M5.3 | 144 km | 97 km |
| May 25, 2017 | 21 km SSE of La Horqueta (Poblado Doce), Mexico | M5.3 | 117 km | 140 km |
| Dec 19, 2001 | 34 km WNW of Raudales Malpaso, Mexico | M5.3 | 82 km | 190 km |
| Apr 25, 1998 | 27 km SSW of Las Choapas, Mexico | M5.2 | 121 km | 59 km |
| Apr 29, 2024 | 5 km WNW of Francisco Villa, Mexico | M5.1 | 125 km | 131 km |
| Jun 22, 2008 | 14 km W of Emiliano Zapata, Mexico | M5.1 | 114 km | 132 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 | 152 km |
| 2011 | Nate | Category 1 | 75 mph | 276 km |
| 2010 | Karl | Category 3 | 127 mph | 253 km |
| 2007 | Dean | Category 1 | 86 mph | 280 km |
| 2005 | Stan | Category 1 | 81 mph | 228 km |
| 1995 | Roxanne | Category 1 | 75 mph | 294 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 | 54 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chichon, El (14 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chichon, El | Lava dome(s) | 1,150 m (3,773 ft) | 1982 | 14 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 11.3 in | |
| February | 71°F (22°C) | 8.9 in | |
| March | 75°F (24°C) | 5.6 in | |
| April | 79°F (26°C) | 5.5 in | Driest |
| May | 81°F (27°C) | 7.8 in | Warmest |
| June | 80°F (27°C) | 15.0 in | |
| July | 81°F (27°C) | 14.2 in | |
| August | 78°F (26°C) | 17.2 in | |
| September | 78°F (26°C) | 21.5 in | |
| October | 76°F (24°C) | 21.6 in | Wettest |
| November | 73°F (23°C) | 13.9 in | |
| December | 71°F (22°C) | 11.7 in | Coldest |
Río Negro has a seasonal temperature swing of 10°F / from 71°F in December to 81°F in May. Total annual precipitation is 154.4 inches, with October being the wettest month (21.6") and April the driest (5.5").