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Weather & Climate in San Sebastián Coatán, Guatemala
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Sebastián Coatán enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 56°F in January while summers reach 62°F in July / relatively mild seasonal variation. The area gets 208 sunny days per year. Annual precipitation totals 71.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 7,733 feet.
Temperature
56°F Jan (13°C)
62°F Jul (16°C)
| Annual Average | 59.8°F |
| 11% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 62°F (16°C) |
| Sunny Days | 208 days/yr |
Geography
| Elevation | 7,733 ft (2,357 m) |
| Area | 2,995.6 sq mi (7,758.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 15.7358°N, 91.5629°W |
| Timezone | America/Guatemala |
Precipitation & Snow
Air Quality
Earthquake History
577 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 | 97 km | 164 km |
| Jun 14, 2017 | 2 km SSW of San Pablo, Guatemala | M6.9 | 104 km | 93 km |
| Jul 7, 2014 | 4 km W of Puerto Madero, Mexico | M6.9 | 148 km | 53 km |
| May 17, 2023 | 8 km SE of Canillá, Guatemala | M6.4 | 107 km | 252 km |
| Sep 7, 2013 | 7 km ESE of Ignacio López Rayón, Mexico | M6.4 | 139 km | 66 km |
| May 3, 2009 | 5 km S of San Lucas Tolimán, Guatemala | M6.3 | 140 km | 108 km |
| Mar 12, 2000 | 3 km ESE of Plan de Ayala, Mexico | M6.3 | 127 km | 62 km |
| Sep 18, 1991 | 4 km SE of Patzún, Guatemala | M6.2 | 136 km | 5 km |
| Mar 17, 2005 | 10 km NE of San Bartolo, Guatemala | M6.1 | 69 km | 197 km |
| Apr 10, 1994 | 3 km E of Pajapita, Guatemala | M6.0 | 123 km | 100 km |
| Jan 19, 2001 | 6 km NNE of Hidalgo, Mexico | M6.0 | 129 km | 93 km |
| Oct 17, 2000 | 4 km ENE of Nuevo Amatenango, Mexico | M5.8 | 59 km | 181 km |
| Jan 17, 2009 | 5 km NNW of Nueva Colombia, Mexico | M5.8 | 126 km | 169 km |
| Dec 5, 1996 | 2 km ENE of Brisas Barra de Suchiate, Mexico | M5.8 | 149 km | 91 km |
| May 5, 2025 | 5 km NNE of Nuevo León, Mexico | M5.8 | 138 km | 261 km |
| Dec 12, 1999 | 0 km SSW of Sololá, Guatemala | M5.8 | 115 km | 158 km |
| Feb 14, 2002 | 13 km SW of Francisco I. Madero, Mexico | M5.8 | 142 km | 76 km |
| Jan 9, 2001 | 7 km NE of Nuevo Milenio Valdivia, Mexico | M5.6 | 145 km | 92 km |
| Apr 18, 2010 | 18 km SW of Flores Costa Cuca, Guatemala | M5.6 | 143 km | 64 km |
| Sep 11, 2001 | 2 km WNW of San Carlos Sija, Guatemala | M5.6 | 82 km | 161 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (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 | 255 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2005 | LAGO DE ATITLAN | Meteorological | 4.0 m | — | 126 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Tacana (89 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tacana | Stratovolcano | 4,064 m (13,333 ft) | 1986 | 89 km |
| Almolonga | Stratovolcano | 3,173 m (10,410 ft) | 1818 | 105 km |
| Santa Maria | Stratovolcano | 3,745 m (12,287 ft) | 2020 | 109 km |
| Toliman | Stratovolcano(es) | 3,158 m (10,361 ft) | Unknown | 131 km |
| Acatenango | Stratovolcano(es) | 3,976 m (13,045 ft) | 1972 | 156 km |
| Fuego | Stratovolcano(es) | 3,763 m (12,346 ft) | 2020 | 158 km |
| Agua | Stratovolcano | 3,760 m (12,336 ft) | Unknown | 167 km |
| Pacaya | Complex | 2,569 m (8,428 ft) | 2020 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 1.0 in | Coldest |
| February | 57°F (14°C) | 1.0 in | Driest |
| March | 60°F (16°C) | 1.3 in | |
| April | 62°F (17°C) | 2.3 in | |
| May | 63°F (17°C) | 5.9 in | Warmest |
| June | 62°F (17°C) | 13.5 in | Wettest |
| July | 62°F (16°C) | 10.9 in | |
| August | 61°F (16°C) | 10.2 in | |
| September | 61°F (16°C) | 12.8 in | |
| October | 60°F (15°C) | 8.5 in | |
| November | 58°F (14°C) | 2.8 in | |
| December | 56°F (13°C) | 1.3 in |
San Sebastián Coatán has a seasonal temperature swing of 7°F / from 56°F in January to 63°F in May. Total annual precipitation is 71.5 inches, with June being the wettest month (13.5") and February the driest (1.0").