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Weather & Climate in San Pedro Masahuat, El Salvador
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Pedro Masahuat has a warm climate with an average annual temperature of 75°F (24°C). Winters average 74°F in January while summers reach 76°F in July / relatively mild seasonal variation. The area gets 203 sunny days per year. Annual precipitation totals 76.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 689 feet.
Temperature
74°F Jan (23°C)
76°F Jul (24°C)
| Annual Average | 75.4°F |
| 40% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 203 days/yr |
Geography
| Elevation | 689 ft (210 m) |
| Area | 46.9 sq mi (121.4 km²) |
| Population Density | 57/sq mi |
| Coordinates | 13.5436°N, 89.0386°W |
| Timezone | America/El_Salvador |
Precipitation & Snow
Air Quality
Earthquake History
1,884 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.7.
| Jan 13, 2001 | 28 km SSW of Puerto El Triunfo, El Salvador | M7.7 | 69 km | 60 km |
| Feb 13, 2001 | 5 km S of Cojutepeque, El Salvador | M6.6 | 18 km | 10 km |
| May 30, 2019 | 32 km S of La Libertad, El Salvador | M6.6 | 48 km | 58 km |
| Jul 19, 2023 | 43 km S of Intipucá, El Salvador | M6.5 | 133 km | 71 km |
| Nov 9, 1997 | 13 km NNE of San Sebastián, El Salvador | M6.5 | 42 km | 176 km |
| Jan 5, 2025 | 56 km SSE of La Libertad, El Salvador | M6.2 | 62 km | 46 km |
| May 12, 2017 | 78 km SSW of Acajutla, El Salvador | M6.2 | 131 km | 16 km |
| Dec 22, 1997 | 28 km SSW of Pasaco, Guatemala | M6.1 | 140 km | 59 km |
| Feb 28, 2001 | 24 km S of Zacatecoluca, El Salvador | M6.1 | 37 km | 65 km |
| Aug 28, 2024 | 56 km SSW of La Libertad, El Salvador | M6.1 | 81 km | 26 km |
| Dec 18, 1997 | 11 km WSW of Sensuntepeque, El Salvador | M6.1 | 46 km | 182 km |
| May 12, 2021 | 55 km SW of Acajutla, El Salvador | M6.0 | 132 km | 22 km |
| May 23, 1992 | 22 km SW of Acajutla, El Salvador | M6.0 | 104 km | 75 km |
| Jan 18, 2010 | 17 km SW of San Francisco Menéndez, El Salvador | M5.9 | 120 km | 55 km |
| Apr 2, 2018 | 24 km SW of Puerto El Triunfo, El Salvador | M5.9 | 62 km | 50 km |
| Jul 31, 2019 | 38 km SSW of La Libertad, El Salvador | M5.9 | 59 km | 43 km |
| Nov 26, 2009 | 12 km SW of Acajutla, El Salvador | M5.9 | 94 km | 57 km |
| Mar 16, 2001 | 22 km SW of Puerto El Triunfo, El Salvador | M5.9 | 58 km | 49 km |
| Jun 21, 1991 | 31 km SE of Acajutla, El Salvador | M5.8 | 65 km | 77 km |
| Jan 9, 2025 | 10 km E of Acajutla, El Salvador | M5.8 | 75 km | 95 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2005 | Adrian | Category 1 | 81 mph | 179 km |
| 2001 | Iris | Category 3 | — | 298 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
4 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 | 50 km |
| 2001 | EL SALVADOR | Earthquake | 0.3 m | 844 | 69 km |
| 1859 | EL SALVADOR | Earthquake | — | — | 135 km |
| 1859 | EL SALVADOR | Earthquake | — | — | 84 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Ilopango (14 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ilopango | Caldera | 450 m (1,476 ft) | 1880 | 14 km |
| San Vicente | Stratovolcano | 2,182 m (7,159 ft) | Unknown | 23 km |
| San Salvador | Stratovolcano | 1,893 m (6,211 ft) | 1917 | 35 km |
| Apastepeque Field | Volcanic field | 700 m (2,297 ft) | Unknown | 35 km |
| Guazapa | Stratovolcano | 1,438 m (4,718 ft) | Unknown | 41 km |
| Taburete | Stratovolcano | 1,172 m (3,845 ft) | Unknown | 56 km |
| Tecapa | Stratovolcano | 1,593 m (5,226 ft) | Unknown | 58 km |
| Usulutan | Stratovolcano | 1,449 m (4,754 ft) | Unknown | 63 km |
| Coatepeque Caldera | Caldera | 746 m (2,448 ft) | Unknown | 66 km |
| Tigre, El | Stratovolcano | 1,640 m (5,381 ft) | Unknown | 66 km |
| Santa Ana | Stratovolcano | 2,381 m (7,812 ft) | 2005 | 73 km |
| Chinameca | Stratovolcano | 1,300 m (4,265 ft) | Unknown | 77 km |
| Singuil, Cerro | Pyroclastic cone(s) | 926 m (3,038 ft) | Unknown | 86 km |
| Apaneca Range | Stratovolcano(es) | 2,036 m (6,680 ft) | Unknown | 90 km |
| San Diego | Volcanic field | 781 m (2,562 ft) | Unknown | 94 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 0.2 in | |
| February | 75°F (24°C) | 0.1 in | Driest |
| March | 77°F (25°C) | 0.4 in | |
| April | 78°F (26°C) | 1.9 in | Warmest |
| May | 77°F (25°C) | 7.6 in | |
| June | 75°F (24°C) | 13.4 in | |
| July | 76°F (24°C) | 12.7 in | |
| August | 76°F (24°C) | 12.5 in | |
| September | 75°F (24°C) | 15.1 in | Wettest |
| October | 75°F (24°C) | 10.4 in | |
| November | 74°F (23°C) | 1.9 in | |
| December | 74°F (23°C) | 0.3 in | Coldest |
San Pedro Masahuat has a seasonal temperature swing of 5°F / from 74°F in December to 78°F in April. Total annual precipitation is 76.4 inches, with September being the wettest month (15.1") and February the driest (0.1").