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Weather & Climate in San Germán, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Germán has a warm climate with an average annual temperature of 74°F (24°C). Winters average 60°F in January while summers reach 85°F in July. The area gets 286 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 27.4 inches (drier than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
60°F Jan (15°C)
85°F Jul (29°C)
| Annual Average | 74.4°F |
| 38% above US avg | |
| January Average | 60°F (15°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 286 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 2,948.6 sq mi (7,636.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 25.2164°N, 97.9218°W |
| Timezone | America/Monterrey |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Jun 14, 2009 | 35 km E of Ciudad General Terán, Mexico | M4.4 | 142 km | 18 km |
| May 29, 2012 | 31 km NW of San Carlos, Mexico | M4.3 | 136 km | 5 km |
| Jan 19, 2014 | 12 km SSW of China, Mexico | M4.1 | 143 km | 12 km |
| Feb 11, 2014 | 31 km SSE of China, Mexico | M4.0 | 124 km | 41 km |
| Mar 2, 2014 | 15 km SW of China, Mexico | M4.0 | 149 km | 8 km |
| Mar 5, 2014 | 18 km SSW of China, Mexico | M3.9 | 141 km | 10 km |
| Nov 26, 2013 | 22 km S of China, Mexico | M3.6 | 136 km | 37 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
12 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Hanna | Category 1 | 92 mph | 154 km |
| 2017 | Harvey | Category 4 | 132 mph | 244 km |
| 2013 | Ingrid | Category 1 | 81 mph | 267 km |
| 2010 | Alex | Category 2 | 109 mph | 113 km |
| 2008 | Dolly | Category 2 | 98 mph | 138 km |
| 2005 | Emily | Category 3 | 127 mph | 40 km |
| 2003 | Erika | Category 1 | 75 mph | 32 km |
| 2000 | Keith | Category 1 | 92 mph | 291 km |
| 1999 | Bret | Category 4 | 144 mph | 189 km |
| 1988 | Gilbert | Category 4 | 132 mph | 95 km |
| 1983 | Barry | Category 1 | 81 mph | 47 km |
| 1980 | Allen | Category 5 | 161 mph | 120 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 60°F (15°C) | 0.9 in | Coldest |
| February | 64°F (18°C) | 0.6 in | |
| March | 70°F (21°C) | 0.6 in | Driest |
| April | 76°F (24°C) | 1.2 in | |
| May | 81°F (27°C) | 2.0 in | |
| June | 84°F (29°C) | 4.3 in | |
| July | 85°F (29°C) | 4.3 in | |
| August | 85°F (30°C) | 4.7 in | Warmest |
| September | 82°F (28°C) | 5.0 in | Wettest |
| October | 76°F (25°C) | 2.2 in | |
| November | 69°F (20°C) | 0.8 in | |
| December | 62°F (17°C) | 0.8 in |
San Germán has a seasonal temperature swing of 26°F / from 60°F in January to 85°F in August. Total annual precipitation is 27.4 inches, with September being the wettest month (5.0") and March the driest (0.6").