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Weather & Climate in San Diego, Guatemala
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Diego has a warm climate with an average annual temperature of 72°F (22°C). Winters average 69°F in January while summers reach 73°F in July / relatively mild seasonal variation. The area gets 244 sunny days per year, above the national average. Annual precipitation totals 50.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,175 feet.
Temperature
69°F Jan (21°C)
73°F Jul (23°C)
| Annual Average | 71.9°F |
| 33% above US avg | |
| January Average | 69°F (21°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 2,175 ft (663 m) |
| Area | 66.1 sq mi (171.1 km²) |
| Population Density | 8/sq mi |
| Coordinates | 14.7898°N, 89.7764°W |
| Timezone | America/Guatemala |
Precipitation & Snow
Air Quality
Earthquake History
605 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Nov 9, 1997 | 13 km NNE of San Sebastián, El Salvador | M6.5 | 148 km | 176 km |
| May 17, 2023 | 8 km SE of Canillá, Guatemala | M6.4 | 116 km | 252 km |
| May 3, 2009 | 5 km S of San Lucas Tolimán, Guatemala | M6.3 | 150 km | 108 km |
| Jun 6, 1999 | 6 km ESE of Puerto San José, Guatemala | M6.3 | 146 km | 33 km |
| Sep 18, 1991 | 4 km SE of Patzún, Guatemala | M6.2 | 131 km | 5 km |
| Jul 21, 2024 | 6 km E of Jalapa, Guatemala | M6.2 | 23 km | 272 km |
| Mar 25, 2013 | 3 km NW of Fraijanes, Guatemala | M6.2 | 81 km | 189 km |
| Jan 27, 2024 | 15 km W of Taxisco, Guatemala | M6.1 | 121 km | 90 km |
| Dec 22, 1997 | 28 km SSW of Pasaco, Guatemala | M6.1 | 130 km | 59 km |
| Sep 12, 1993 | 27 km S of Taxisco, Guatemala | M6.0 | 128 km | 68 km |
| May 23, 1992 | 22 km SW of Acajutla, El Salvador | M6.0 | 148 km | 75 km |
| Jan 23, 2001 | 13 km NW of Puerto San José, Guatemala | M5.9 | 149 km | 64 km |
| Nov 26, 2009 | 12 km SW of Acajutla, El Salvador | M5.9 | 143 km | 57 km |
| Jan 18, 2010 | 17 km SW of San Francisco Menéndez, El Salvador | M5.9 | 124 km | 55 km |
| Jan 9, 2025 | 10 km E of Acajutla, El Salvador | M5.8 | 133 km | 95 km |
| Aug 22, 1993 | Guatemala | M5.8 | 117 km | 108 km |
| Jun 18, 2018 | 12 km SW of Guanagazapa, Guatemala | M5.7 | 125 km | 99 km |
| Jul 8, 2025 | 3 km SSW of Amatitlán, Guatemala | M5.7 | 101 km | 10 km |
| May 3, 2004 | 4 km SSW of Santa María de Jesús, Guatemala | M5.7 | 109 km | 125 km |
| Jul 29, 2025 | 6 km SE of Comapa, Guatemala | M5.7 | 81 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
4 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 | 274 km |
| 2010 | Richard | Category 2 | 98 mph | 297 km |
| 2005 | Adrian | Category 1 | 81 mph | 261 km |
| 2001 | Iris | Category 4 | 144 mph | 195 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1902 | EL SALVADOR-GUATEMALA | Questionable Earthquake | 2.0 m | 185 | 147 km |
| 1976 | GUATEMALA | Earthquake | 0.1 m | 23,000 | 94 km |
| 1859 | EL SALVADOR | Earthquake | — | — | 121 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Chiquimula Volcanic Field (25 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chiquimula Volcanic Field | Pyroclastic cone(s) | 1,192 m (3,911 ft) | Unknown | 25 km |
| Ipala | Stratovolcano | 1,650 m (5,413 ft) | Unknown | 31 km |
| Tahual | Stratovolcano | 1,716 m (5,630 ft) | Unknown | 42 km |
| Ixtepeque | Lava dome(s) | 1,292 m (4,239 ft) | Unknown | 42 km |
| Suchitan | Stratovolcano(es) | 2,042 m (6,699 ft) | Unknown | 43 km |
| Santiago, Cerro | Volcanic field | 1,192 m (3,911 ft) | Unknown | 52 km |
| Flores | Volcanic field | 1,600 m (5,249 ft) | Unknown | 58 km |
| San Diego | Volcanic field | 781 m (2,562 ft) | Unknown | 66 km |
| Chingo | Stratovolcano | 1,775 m (5,823 ft) | Unknown | 75 km |
| Singuil, Cerro | Pyroclastic cone(s) | 926 m (3,038 ft) | Unknown | 83 km |
| Cuilapa-Barbarena | Volcanic field | 1,454 m (4,770 ft) | Unknown | 84 km |
| Moyuta | Stratovolcano | 1,662 m (5,453 ft) | Unknown | 91 km |
| Tecuamburro | Stratovolcano | 1,845 m (6,053 ft) | -960 | 98 km |
| Pacaya | Complex | 2,569 m (8,428 ft) | 2020 | 100 km |
| Apaneca Range | Stratovolcano(es) | 2,036 m (6,680 ft) | Unknown | 100 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 69°F (21°C) | 0.3 in | Coldest, Driest |
| February | 70°F (21°C) | 0.6 in | |
| March | 73°F (23°C) | 0.4 in | |
| April | 75°F (24°C) | 1.6 in | Warmest |
| May | 75°F (24°C) | 4.5 in | |
| June | 73°F (23°C) | 10.0 in | Wettest |
| July | 73°F (23°C) | 8.5 in | |
| August | 73°F (23°C) | 7.6 in | |
| September | 72°F (22°C) | 9.7 in | |
| October | 71°F (22°C) | 5.4 in | |
| November | 70°F (21°C) | 1.5 in | |
| December | 69°F (21°C) | 0.6 in |
San Diego has a seasonal temperature swing of 6°F / from 69°F in January to 75°F in April. Total annual precipitation is 50.7 inches, with June being the wettest month (10.0") and January the driest (0.3").