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Weather & Climate in San Juan Nepomuceno, Colombia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Juan Nepomuceno has a warm climate with an average annual temperature of 80°F (27°C). Winters average 79°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 228 sunny days per year, above the national average. Annual precipitation totals 59.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 564 feet.
Temperature
79°F Jan (26°C)
81°F Jul (27°C)
| Annual Average | 79.9°F |
| 48% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 228 days/yr |
Geography
| Elevation | 564 ft (172 m) |
| Area | 324.4 sq mi (840.1 km²) |
| Population Density | 105/sq mi |
| Coordinates | 9.9516°N, 75.0820°W |
| Timezone | America/Bogota |
Precipitation & Snow
Air Quality
Earthquake History
22 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Apr 15, 2020 | 13 km NNE of Pinillos, Colombia | M5.7 | 124 km | 53 km |
| Jul 7, 2010 | 9 km NNW of Ciénaga de Oro, Colombia | M5.0 | 127 km | 39 km |
| May 2, 2006 | 1 km SE of Remolino, Colombia | M4.7 | 92 km | 28 km |
| Jun 24, 1998 | 83 km WNW of Cartagena, Colombia | M4.6 | 146 km | 33 km |
| May 27, 2023 | 8 km SW of Corozal, Colombia | M4.5 | 83 km | 41 km |
| Apr 17, 2020 | 12 km SSW of Margarita, Colombia | M4.5 | 129 km | 47 km |
| Mar 6, 2019 | 1 km N of Barranquilla, Colombia | M4.5 | 119 km | 47 km |
| Sep 23, 2017 | 8 km E of Plato, Colombia | M4.5 | 45 km | 46 km |
| Oct 20, 2012 | 12 km SE of Ciénaga, Colombia | M4.4 | 150 km | 24 km |
| Jan 26, 2018 | 14 km SE of San Pedro, Colombia | M4.4 | 72 km | 16 km |
| Dec 30, 1999 | 22 km SSW of El Copey, Colombia | M4.4 | 116 km | 89 km |
| Oct 1, 2009 | 16 km ENE of Sitionuevo, Colombia | M4.4 | 112 km | 21 km |
| Aug 8, 2011 | 8 km NNW of Ariguaní, Colombia | M4.3 | 123 km | 91 km |
| Jun 1, 1992 | 4 km WSW of Chivolo, Colombia | M4.3 | 46 km | 43 km |
| Nov 2, 2000 | 5 km ESE of Mompós, Colombia | M4.2 | 112 km | 33 km |
| Jun 12, 1993 | 11 km E of Pinillos, Colombia | M4.2 | 139 km | 33 km |
| Feb 20, 2025 | 15 km NNE of Nueva Granada, Colombia | M4.2 | 81 km | 42 km |
| Mar 13, 2017 | 11 km ENE of San Pedro, Colombia | M4.1 | 58 km | 74 km |
| Jun 6, 2006 | 6 km WSW of Santa Rosa, Colombia | M4.0 | 65 km | 20 km |
| Jun 18, 2008 | 32 km WNW of San Onofre, Colombia | M3.9 | 80 km | 42 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 1988 | Joan:miriam | Category 2 | 109 mph | 187 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 8.0 m (26 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2017 | OFF THE COAST NEAR SANTA MARTA | Unknown | 8.0 m | - | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 0.7 in | Driest |
| February | 80°F (27°C) | 1.0 in | |
| March | 81°F (27°C) | 1.3 in | Warmest |
| April | 81°F (27°C) | 4.5 in | |
| May | 80°F (27°C) | 7.6 in | |
| June | 80°F (27°C) | 7.0 in | |
| July | 81°F (27°C) | 5.9 in | |
| August | 80°F (27°C) | 7.4 in | |
| September | 79°F (26°C) | 7.5 in | |
| October | 78°F (26°C) | 9.1 in | Coldest, Wettest |
| November | 79°F (26°C) | 5.6 in | |
| December | 79°F (26°C) | 1.9 in |
San Juan Nepomuceno has a seasonal temperature swing of 3°F / from 78°F in October to 81°F in March. Total annual precipitation is 59.5 inches, with October being the wettest month (9.1") and January the driest (0.7").