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Weather & Climate in San Ignacio, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Ignacio has a warm climate with an average annual temperature of 77°F (25°C). Winters average 68°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 270 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 36.6 inches. The city sits at an elevation of 545 feet.
Temperature
68°F Jan (20°C)
83°F Jul (28°C)
| Annual Average | 76.6°F |
| 42% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 545 ft (166 m) |
| Area | 2,572.5 sq mi (6,662.8 km²) |
| Population Density | 2/sq mi |
| Coordinates | 23.9399°N, 106.4250°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 | 125 km | 34 km |
| Sep 5, 2011 | 20 km SW of Canelas, Mexico | M4.5 | 123 km | 10 km |
| Jul 24, 2025 | 8 km ENE of Culiacán, Mexico | M4.2 | 132 km | 10 km |
| Sep 2, 1994 | 91 km WSW of Mazatlán, Mexico | M4.2 | 143 km | 33 km |
| Jul 17, 2009 | 20 km NNW of Sanalona, Mexico | M4.1 | 140 km | 10 km |
| Sep 5, 2011 | 17 km E of Tamazula de Victoria, Mexico | M4.1 | 118 km | 5 km |
| Aug 1, 1994 | 72 km WSW of Mazatlán, Mexico | M4.0 | 122 km | 33 km |
| Jul 27, 1994 | 68 km W of Mazatlán, Mexico | M3.9 | 113 km | 33 km |
| Jul 28, 1994 | 92 km WSW of Mazatlán, Mexico | M3.8 | 140 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
23 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 | 196 km |
| 2022 | Orlene | Category 2 | 98 mph | 120 km |
| 2021 | Pamela | Category 1 | 75 mph | 39 km |
| 2019 | Lorena | Category 1 | 86 mph | 285 km |
| 2018 | Willa | Category 3 | 115 mph | 141 km |
| 2013 | Manuel | Category 1 | 75 mph | 181 km |
| 2006 | Lane | Category 3 | 127 mph | 79 km |
| 2006 | John | Category 3 | 115 mph | 287 km |
| 2003 | Ignacio | Category 2 | 104 mph | 262 km |
| 2002 | Kenna | Category 4 | 138 mph | 237 km |
| 1998 | Isis | Category 1 | 75 mph | 281 km |
| 1998 | Madeline | Category 1 | 81 mph | 262 km |
| 1995 | Ismael | Category 1 | 81 mph | 257 km |
| 1994 | Rosa | Category 2 | 104 mph | 141 km |
| 1993 | Lidia | Category 2 | 98 mph | 115 km |
| 1989 | Kiko | Category 3 | 121 mph | 212 km |
| 1986 | Paine | Category 2 | 98 mph | 253 km |
| 1986 | Roslyn | Category 1 | 75 mph | 154 km |
| 1986 | Newton | Category 1 | 75 mph | 235 km |
| 1985 | Waldo | Category 2 | 104 mph | 131 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 1.2 in | Coldest |
| February | 70°F (21°C) | 0.4 in | |
| March | 72°F (22°C) | 0.4 in | |
| April | 76°F (24°C) | 0.1 in | Driest |
| May | 80°F (27°C) | 0.1 in | |
| June | 84°F (29°C) | 2.0 in | Warmest |
| July | 83°F (28°C) | 9.7 in | |
| August | 82°F (28°C) | 9.8 in | Wettest |
| September | 82°F (28°C) | 7.0 in | |
| October | 80°F (27°C) | 3.3 in | |
| November | 75°F (24°C) | 1.4 in | |
| December | 70°F (21°C) | 1.4 in |
San Ignacio has a seasonal temperature swing of 16°F / from 68°F in January to 84°F in June. Total annual precipitation is 36.6 inches, with August being the wettest month (9.8") and April the driest (0.1").