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Weather & Climate in San Juan, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Juan has a warm climate with an average annual temperature of 75°F (24°C). Winters average 67°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 263 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 40.2 inches. The city sits at an elevation of 912 feet.
Temperature
67°F Jan (20°C)
80°F Jul (26°C)
| Annual Average | 74.7°F |
| 38% above US avg | |
| January Average | 67°F (20°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 263 days/yr |
Geography
| Elevation | 912 ft (278 m) |
| Area | 2,572.5 sq mi (6,662.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 23.8789°N, 106.3239°W |
| Timezone | America/Mazatlan |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Jul 12, 2009 | 16 km WSW of Canelas, Mexico | M5.1 | 134 km | 34 km |
| Sep 5, 2011 | 20 km SW of Canelas, Mexico | M4.5 | 132 km | 10 km |
| Jul 29, 2003 | 28 km SSW of Esfuerzos Unidos, Mexico | M4.5 | 146 km | 10 km |
| Jul 24, 2025 | 8 km ENE of Culiacán, Mexico | M4.2 | 144 km | 10 km |
| Sep 2, 1994 | 91 km WSW of Mazatlán, Mexico | M4.2 | 144 km | 33 km |
| Sep 5, 2011 | 17 km E of Tamazula de Victoria, Mexico | M4.1 | 128 km | 5 km |
| Aug 1, 1994 | 72 km WSW of Mazatlán, Mexico | M4.0 | 123 km | 33 km |
| Jul 27, 1994 | 68 km W of Mazatlán, Mexico | M3.9 | 114 km | 33 km |
| Jul 28, 1994 | 92 km WSW of Mazatlán, Mexico | M3.8 | 142 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
22 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Roslyn | Category 3 | 121 mph | 184 km |
| 2022 | Orlene | Category 2 | 98 mph | 111 km |
| 2021 | Pamela | Category 1 | 75 mph | 43 km |
| 2019 | Lorena | Category 1 | 86 mph | 290 km |
| 2018 | Willa | Category 3 | 115 mph | 129 km |
| 2013 | Manuel | Category 1 | 75 mph | 192 km |
| 2006 | Lane | Category 3 | 127 mph | 90 km |
| 2006 | John | Category 3 | 115 mph | 294 km |
| 2003 | Ignacio | Category 2 | 104 mph | 270 km |
| 2002 | Kenna | Category 4 | 138 mph | 225 km |
| 1998 | Madeline | Category 1 | 86 mph | 256 km |
| 1998 | Isis | Category 1 | 75 mph | 293 km |
| 1995 | Ismael | Category 1 | 81 mph | 266 km |
| 1994 | Rosa | Category 2 | 104 mph | 129 km |
| 1993 | Lidia | Category 2 | 98 mph | 127 km |
| 1989 | Kiko | Category 3 | 115 mph | 216 km |
| 1986 | Paine | Category 2 | 98 mph | 263 km |
| 1986 | Roslyn | Category 1 | 75 mph | 153 km |
| 1986 | Newton | Category 1 | 75 mph | 238 km |
| 1985 | Waldo | Category 2 | 104 mph | 140 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Durango Volcanic Field (193 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Durango Volcanic Field | Pyroclastic cone(s) | 2,075 m (6,808 ft) | Unknown | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (20°C) | 1.3 in | Coldest |
| February | 68°F (20°C) | 0.4 in | |
| March | 71°F (22°C) | 0.5 in | |
| April | 75°F (24°C) | 0.1 in | Driest |
| May | 79°F (26°C) | 0.2 in | |
| June | 81°F (27°C) | 2.6 in | Warmest |
| July | 80°F (26°C) | 10.8 in | Wettest |
| August | 79°F (26°C) | 10.3 in | |
| September | 79°F (26°C) | 7.5 in | |
| October | 77°F (25°C) | 3.3 in | |
| November | 73°F (23°C) | 1.5 in | |
| December | 69°F (20°C) | 1.7 in |
San Juan has a seasonal temperature swing of 14°F / from 67°F in January to 81°F in June. Total annual precipitation is 40.2 inches, with July being the wettest month (10.8") and April the driest (0.1").