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Weather & Climate in San Antonio, Belize
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Antonio has a warm climate with an average annual temperature of 76°F (24°C). Winters average 71°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 156 sunny days per year, below the national average of 205. Annual precipitation totals 129.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 292 feet.
Temperature
71°F Jan (22°C)
77°F Jul (25°C)
| Annual Average | 75.6°F |
| 40% above US avg | |
| January Average | 71°F (22°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 156 days/yr |
Geography
| Elevation | 292 ft (89 m) |
| Area | 3.4 sq mi (8.9 km²) |
| Population Density | 421/sq mi |
| Coordinates | 16.2436°N, 89.0242°W |
| Timezone | America/Belize |
Precipitation & Snow
Air Quality
Earthquake History
53 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.
| Jul 11, 1999 | 16 km N of Potrerillos, Honduras | M6.7 | 90 km | 10 km |
| Jul 6, 1997 | 30 km NNW of Baja Mar, Honduras | M6.1 | 119 km | 33 km |
| Apr 23, 2012 | 28 km NNE of El Estor, Guatemala | M5.2 | 57 km | 10 km |
| Aug 25, 2021 | 11 km NNE of Pinalejo, Honduras | M5.2 | 113 km | 8 km |
| Sep 25, 2022 | 24 km NE of Puerto Barrios, Guatemala | M5.1 | 79 km | 10 km |
| Jan 11, 2010 | 9 km ESE of Morales, Guatemala | M5.1 | 94 km | 10 km |
| Jun 6, 2009 | 38 km NE of Baja Mar, Honduras | M5.0 | 147 km | 10 km |
| Jul 11, 1999 | 11 km N of Puerto Barrios, Guatemala | M4.8 | 64 km | 10 km |
| Feb 1, 1991 | 20 km NNE of Baja Mar, Honduras | M4.8 | 136 km | 33 km |
| Dec 13, 2001 | 12 km NNE of Tucurú, Guatemala | M4.7 | 147 km | 33 km |
| Oct 18, 2009 | 19 km NNW of Omoa, Honduras | M4.6 | 104 km | 10 km |
| Jul 19, 1999 | 2 km NW of Potrerillos, Honduras | M4.6 | 100 km | 10 km |
| Feb 5, 1993 | 2 km WNW of Trinidad, Honduras | M4.6 | 147 km | 140 km |
| Mar 27, 2007 | 11 km SSE of Río Chiquito, Honduras | M4.6 | 118 km | 40 km |
| May 30, 2009 | 32 km NNE of Baja Mar, Honduras | M4.6 | 141 km | 10 km |
| Jul 11, 1999 | 2 km E of Puerto Barrios, Guatemala | M4.5 | 75 km | 10 km |
| Apr 17, 2008 | 7 km SW of Poptún, Guatemala | M4.5 | 48 km | 10 km |
| Nov 21, 1995 | 12 km WSW of Gualán, Guatemala | M4.5 | 138 km | 10 km |
| Jun 9, 1994 | 19 km NE of Puerto Barrios, Guatemala | M4.5 | 77 km | 34 km |
| Oct 27, 1993 | 9 km N of San Joaquín, Honduras | M4.5 | 124 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
8 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Lisa | Category 1 | 92 mph | 147 km |
| 2020 | Nana | Category 1 | 75 mph | 99 km |
| 2016 | Earl | Category 1 | 86 mph | 129 km |
| 2012 | Ernesto | Category 2 | 98 mph | 284 km |
| 2010 | Richard | Category 2 | 98 mph | 122 km |
| 2007 | Dean | Category 5 | 173 mph | 297 km |
| 2001 | Iris | Category 4 | 144 mph | 35 km |
| 2000 | Keith | Category 4 | 138 mph | 199 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1856 | BAY OF HONDURAS | Eruption + Earthquake | 5.0 m | — | 113 km |
| 1976 | GUATEMALA | Earthquake | 0.1 m | 23,000 | 103 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Chiquimula Volcanic Field (167 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chiquimula Volcanic Field | Pyroclastic cone(s) | 1,192 m (3,911 ft) | Unknown | 167 km |
| Yojoa, Lake | Volcanic field | 1,090 m (3,576 ft) | Unknown | 180 km |
| Ipala | Stratovolcano | 1,650 m (5,413 ft) | Unknown | 199 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (22°C) | 6.9 in | Coldest |
| February | 73°F (23°C) | 3.4 in | |
| March | 75°F (24°C) | 3.7 in | |
| April | 78°F (25°C) | 2.7 in | Driest |
| May | 78°F (26°C) | 5.9 in | Warmest |
| June | 78°F (26°C) | 18.3 in | |
| July | 77°F (25°C) | 25.3 in | Wettest |
| August | 77°F (25°C) | 20.7 in | |
| September | 77°F (25°C) | 16.7 in | |
| October | 76°F (25°C) | 11.1 in | |
| November | 73°F (23°C) | 8.4 in | |
| December | 72°F (22°C) | 6.3 in |
San Antonio has a seasonal temperature swing of 7°F / from 71°F in January to 78°F in May. Total annual precipitation is 129.5 inches, with July being the wettest month (25.3") and April the driest (2.7").