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Weather & Climate in San Jerónimo, Guatemala
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Jerónimo enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 65°F in January while summers reach 69°F in July / relatively mild seasonal variation. The area gets 196 sunny days per year. Annual precipitation totals 77.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 3,284 feet.
Temperature
65°F Jan (18°C)
69°F Jul (21°C)
| Annual Average | 68.2°F |
| 26% above US avg | |
| January Average | 65°F (18°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 196 days/yr |
Geography
| Elevation | 3,284 ft (1,001 m) |
| Area | 106.6 sq mi (276.2 km²) |
| Population Density | 76/sq mi |
| Coordinates | 15.0603°N, 90.2405°W |
| Timezone | America/Guatemala |
Precipitation & Snow
Air Quality
Earthquake History
609 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 | 61 km | 252 km |
| May 3, 2009 | 5 km S of San Lucas Tolimán, Guatemala | M6.3 | 113 km | 108 km |
| Jun 6, 1999 | 6 km ESE of Puerto San José, Guatemala | M6.3 | 141 km | 33 km |
| Jul 21, 2024 | 6 km E of Jalapa, Guatemala | M6.2 | 57 km | 272 km |
| Sep 18, 1991 | 4 km SE of Patzún, Guatemala | M6.2 | 92 km | 5 km |
| Mar 25, 2013 | 3 km NW of Fraijanes, Guatemala | M6.2 | 68 km | 189 km |
| Dec 22, 1997 | 28 km SSW of Pasaco, Guatemala | M6.1 | 147 km | 59 km |
| Jan 27, 2024 | 15 km W of Taxisco, Guatemala | M6.1 | 118 km | 90 km |
| Mar 17, 2005 | 10 km NE of San Bartolo, Guatemala | M6.1 | 123 km | 197 km |
| Aug 25, 2003 | 5 km SSW of La Gomera, Guatemala | M6.0 | 145 km | 100 km |
| Sep 12, 1993 | 27 km S of Taxisco, Guatemala | M6.0 | 139 km | 68 km |
| Jan 18, 2010 | 17 km SW of San Francisco Menéndez, El Salvador | M5.9 | 149 km | 55 km |
| Jan 23, 2001 | 13 km NW of Puerto San José, Guatemala | M5.9 | 136 km | 64 km |
| Dec 12, 1999 | 0 km SSW of Sololá, Guatemala | M5.8 | 107 km | 158 km |
| Jun 8, 2007 | 11 km SSE of Puerto San José, Guatemala | M5.8 | 148 km | 48 km |
| Aug 22, 1993 | Guatemala | M5.8 | 104 km | 108 km |
| Jun 27, 2012 | 5 km E of San Francisco Menéndez, El Salvador | M5.7 | 140 km | 133 km |
| Jun 18, 2018 | 12 km SW of Guanagazapa, Guatemala | M5.7 | 115 km | 99 km |
| Jul 8, 2025 | 3 km SSW of Amatitlán, Guatemala | M5.7 | 81 km | 10 km |
| May 3, 2004 | 4 km SSW of Santa María de Jesús, Guatemala | M5.7 | 85 km | 125 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 |
| 2020 | Nana | Category 1 | 75 mph | 284 km |
| 2016 | Earl | Category 1 | 86 mph | 297 km |
| 2010 | Richard | Category 2 | 98 mph | 283 km |
| 2005 | Adrian | Category 1 | 81 mph | 285 km |
| 2001 | Iris | Category 4 | 144 mph | 208 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 | — | 117 km |
| 1976 | GUATEMALA | Earthquake | 0.1 m | 23,000 | 126 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Chiquimula Volcanic Field (79 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chiquimula Volcanic Field | Pyroclastic cone(s) | 1,192 m (3,911 ft) | Unknown | 79 km |
| Tahual | Stratovolcano | 1,716 m (5,630 ft) | Unknown | 79 km |
| Cuilapa-Barbarena | Volcanic field | 1,454 m (4,770 ft) | Unknown | 83 km |
| Pacaya | Complex | 2,569 m (8,428 ft) | 2020 | 85 km |
| Agua | Stratovolcano | 3,760 m (12,336 ft) | Unknown | 85 km |
| Ipala | Stratovolcano | 1,650 m (5,413 ft) | Unknown | 87 km |
| Flores | Volcanic field | 1,600 m (5,249 ft) | Unknown | 88 km |
| Suchitan | Stratovolcano(es) | 2,042 m (6,699 ft) | Unknown | 89 km |
| Santiago, Cerro | Volcanic field | 1,192 m (3,911 ft) | Unknown | 91 km |
| Acatenango | Stratovolcano(es) | 3,976 m (13,045 ft) | 1972 | 92 km |
| Ixtepeque | Lava dome(s) | 1,292 m (4,239 ft) | Unknown | 93 km |
| Fuego | Stratovolcano(es) | 3,763 m (12,346 ft) | 2020 | 95 km |
| Tecuamburro | Stratovolcano | 1,845 m (6,053 ft) | -960 | 102 km |
| Toliman | Stratovolcano(es) | 3,158 m (10,361 ft) | Unknown | 114 km |
| Moyuta | Stratovolcano | 1,662 m (5,453 ft) | Unknown | 116 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 65°F (18°C) | 2.1 in | Coldest |
| February | 66°F (19°C) | 1.8 in | |
| March | 69°F (20°C) | 1.7 in | Driest |
| April | 71°F (22°C) | 2.8 in | |
| May | 71°F (22°C) | 5.9 in | Warmest |
| June | 70°F (21°C) | 12.7 in | |
| July | 69°F (21°C) | 11.6 in | |
| August | 70°F (21°C) | 10.2 in | |
| September | 69°F (21°C) | 13.1 in | Wettest |
| October | 68°F (20°C) | 8.9 in | |
| November | 66°F (19°C) | 4.5 in | |
| December | 65°F (19°C) | 2.4 in |
San Jerónimo has a seasonal temperature swing of 6°F / from 65°F in January to 71°F in May. Total annual precipitation is 77.6 inches, with September being the wettest month (13.1") and March the driest (1.7").