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Weather & Climate in San Juan Chamelco, Guatemala
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Juan Chamelco enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 59°F in January while summers reach 64°F in July / relatively mild seasonal variation. The area gets 169 sunny days per year, below the national average of 205. Annual precipitation totals 93.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 4,547 feet.
Temperature
59°F Jan (15°C)
64°F Jul (18°C)
| Annual Average | 62.9°F |
| 16% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 169 days/yr |
Geography
| Elevation | 4,547 ft (1,386 m) |
| Area | 99.8 sq mi (258.5 km²) |
| Population Density | 133/sq mi |
| Coordinates | 15.4243°N, 90.3304°W |
| Timezone | America/Guatemala |
Precipitation & Snow
Air Quality
Earthquake History
367 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.
| May 17, 2023 | 8 km SE of Canillá, Guatemala | M6.4 | 62 km | 252 km |
| May 3, 2009 | 5 km S of San Lucas Tolimán, Guatemala | M6.3 | 131 km | 108 km |
| Jul 21, 2024 | 6 km E of Jalapa, Guatemala | M6.2 | 97 km | 272 km |
| Sep 18, 1991 | 4 km SE of Patzún, Guatemala | M6.2 | 112 km | 5 km |
| Mar 25, 2013 | 3 km NW of Fraijanes, Guatemala | M6.2 | 105 km | 189 km |
| Mar 17, 2005 | 10 km NE of San Bartolo, Guatemala | M6.1 | 117 km | 197 km |
| Aug 22, 1993 | Guatemala | M5.8 | 138 km | 108 km |
| Dec 12, 1999 | 0 km SSW of Sololá, Guatemala | M5.8 | 118 km | 158 km |
| May 3, 2004 | 4 km SSW of Santa María de Jesús, Guatemala | M5.7 | 115 km | 125 km |
| Jul 8, 2025 | 3 km SSW of Amatitlán, Guatemala | M5.7 | 114 km | 10 km |
| Jun 18, 2018 | 12 km SW of Guanagazapa, Guatemala | M5.7 | 150 km | 99 km |
| Sep 19, 2011 | 3 km E of Santa María Ixhuatán, Guatemala | M5.6 | 138 km | 9 km |
| Feb 23, 2010 | 19 km NNE of Barillas, Guatemala | M5.6 | 116 km | 10 km |
| Sep 11, 2001 | 2 km WNW of San Carlos Sija, Guatemala | M5.6 | 141 km | 161 km |
| Jul 23, 2007 | 9 km NE of Santa Lucía Cotzumalguapa, Guatemala | M5.5 | 134 km | 113 km |
| May 15, 1997 | 3 km WNW of Santa Catarina Mita, Guatemala | M5.5 | 123 km | 274 km |
| Jan 20, 2015 | 4 km NNW of San Francisco El Alto, Guatemala | M5.5 | 131 km | 154 km |
| Dec 19, 1995 | 3 km WNW of Tucurú, Guatemala | M5.4 | 23 km | 10 km |
| May 18, 2005 | 1 km SSE of San José La Arada, Guatemala | M5.3 | 113 km | 42 km |
| Feb 23, 2010 | 16 km NE of Barillas, Guatemala | M5.3 | 108 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Lisa | Category 1 | 92 mph | 296 km |
| 2020 | Nana | Category 1 | 75 mph | 265 km |
| 2016 | Earl | Category 1 | 86 mph | 268 km |
| 2010 | Richard | Category 2 | 98 mph | 251 km |
| 2001 | Iris | Category 4 | 144 mph | 195 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis 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 | — | 130 km |
| 1976 | GUATEMALA | Earthquake | 0.1 m | 23,000 | 132 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Chiquimula Volcanic Field (107 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chiquimula Volcanic Field | Pyroclastic cone(s) | 1,192 m (3,911 ft) | Unknown | 107 km |
| Agua | Stratovolcano | 3,760 m (12,336 ft) | Unknown | 116 km |
| Acatenango | Stratovolcano(es) | 3,976 m (13,045 ft) | 1972 | 118 km |
| Pacaya | Complex | 2,569 m (8,428 ft) | 2020 | 120 km |
| Tahual | Stratovolcano | 1,716 m (5,630 ft) | Unknown | 120 km |
| Fuego | Stratovolcano(es) | 3,763 m (12,346 ft) | 2020 | 121 km |
| Cuilapa-Barbarena | Volcanic field | 1,454 m (4,770 ft) | Unknown | 122 km |
| Ipala | Stratovolcano | 1,650 m (5,413 ft) | Unknown | 123 km |
| Suchitan | Stratovolcano(es) | 2,042 m (6,699 ft) | Unknown | 128 km |
| Toliman | Stratovolcano(es) | 3,158 m (10,361 ft) | Unknown | 129 km |
| Flores | Volcanic field | 1,600 m (5,249 ft) | Unknown | 129 km |
| Santiago, Cerro | Volcanic field | 1,192 m (3,911 ft) | Unknown | 131 km |
| Ixtepeque | Lava dome(s) | 1,292 m (4,239 ft) | Unknown | 132 km |
| Tecuamburro | Stratovolcano | 1,845 m (6,053 ft) | -960 | 141 km |
| Almolonga | Stratovolcano | 3,173 m (10,410 ft) | 1818 | 145 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 4.2 in | Coldest |
| February | 60°F (16°C) | 3.3 in | |
| March | 63°F (17°C) | 3.0 in | Driest |
| April | 65°F (18°C) | 3.5 in | |
| May | 66°F (19°C) | 6.6 in | Warmest |
| June | 65°F (18°C) | 12.9 in | |
| July | 64°F (18°C) | 13.4 in | Wettest |
| August | 64°F (18°C) | 10.8 in | |
| September | 64°F (18°C) | 12.8 in | |
| October | 63°F (17°C) | 10.7 in | |
| November | 61°F (16°C) | 7.1 in | |
| December | 60°F (15°C) | 4.8 in |
San Juan Chamelco has a seasonal temperature swing of 7°F / from 59°F in January to 66°F in May. Total annual precipitation is 93.0 inches, with July being the wettest month (13.4") and March the driest (3.0").