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San Marcos, Guatemala
Full City Profile
47,063
Population
640/sq mi density
7,808 ft
Elevation
2,380 meters
66°F
Avg Temperature
19°C
San Marcos enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 63°F in January while summers reach 67°F in July. The area gets 357 sunny days per year. Annual precipitation totals 108.9 inches. The area receives 0.0 inches of snow annually.
Temperature
63°F Jan (17°C)
67°F Jul (19°C)
| Annual Average | 65.6°F |
| 21% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 357 days/yr |
Geography
| Elevation | 7,808 ft (2,380 m) |
| Area | 73.5 sq mi (190.3 km²) |
| Population Density | 640/sq mi |
| Coordinates | 14.9644°N, 91.7949°W |
| Timezone | America/Guatemala |
Precipitation & Snow
Air Quality
Tsunami History
3 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 | — | 69 km |
| 2012 | GUATEMALA | Earthquake | 0.4 m | 48 | 109 km |
| 1950 | GUATEMALA | Earthquake | 0.2 m | — | 74 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Santa Maria (35 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Santa Maria | Stratovolcano | 3,745 m (12,287 ft) | 2020 | 35 km |
| Almolonga | Stratovolcano | 3,173 m (10,410 ft) | 1818 | 35 km |
| Tacana | Stratovolcano | 4,064 m (13,333 ft) | 1986 | 39 km |
| Toliman | Stratovolcano(es) | 3,158 m (10,361 ft) | Unknown | 76 km |
| Acatenango | Stratovolcano(es) | 3,976 m (13,045 ft) | 1972 | 111 km |
| Fuego | Stratovolcano(es) | 3,763 m (12,346 ft) | 2020 | 113 km |
| Agua | Stratovolcano | 3,760 m (12,336 ft) | Unknown | 126 km |
| Pacaya | Complex | 2,569 m (8,428 ft) | 2020 | 144 km |
| Cuilapa-Barbarena | Volcanic field | 1,454 m (4,770 ft) | Unknown | 166 km |
| Tecuamburro | Stratovolcano | 1,845 m (6,053 ft) | -960 | 174 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 0.3 in | Driest |
| February | 55°F (13°C) | 0.6 in | |
| March | 57°F (14°C) | 1.3 in | |
| April | 58°F (15°C) | 2.8 in | |
| May | 59°F (15°C) | 9.0 in | |
| June | 58°F (15°C) | 13.4 in | |
| July | 67°F (19°C) | 8.5 in | Warmest |
| August | 58°F (14°C) | 9.8 in | |
| September | 57°F (14°C) | 13.9 in | Wettest |
| October | 57°F (14°C) | 9.3 in | |
| November | 56°F (13°C) | 1.9 in | |
| December | 54°F (12°C) | 0.7 in | Coldest |
San Marcos has a seasonal temperature swing of 13°F / from 54°F in December to 67°F in July. Total annual precipitation is 71.3 inches, with September being the wettest month (13.9") and January the driest (0.3").