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Weather & Climate in Primero de Mayo, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Primero de Mayo has a warm climate with an average annual temperature of 76°F (24°C). Winters average 65°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 264 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 39.9 inches. The city sits at an elevation of 36 feet.
Temperature
65°F Jan (19°C)
82°F Jul (28°C)
| Annual Average | 75.7°F |
| 40% above US avg | |
| January Average | 65°F (19°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 264 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 182.1 sq mi (471.5 km²) |
| Population Density | 28/sq mi |
| Coordinates | 22.2278°N, 97.8205°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jul 21, 2011 | 1 km SW of Tocoy, Mexico | M4.0 | 128 km | 12 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Grace | Category 3 | 121 mph | 192 km |
| 2017 | Katia | Category 2 | 104 mph | 185 km |
| 2017 | Franklin | Category 1 | 86 mph | 278 km |
| 2013 | Ingrid | Category 1 | 86 mph | 173 km |
| 2010 | Alex | Category 2 | 109 mph | 207 km |
| 2007 | Dean | Category 2 | 98 mph | 200 km |
| 2007 | Lorenzo | Category 1 | 81 mph | 206 km |
| 2005 | Emily | Category 3 | 127 mph | 280 km |
| 2000 | Keith | Category 1 | 92 mph | 42 km |
| 1996 | Dolly | Category 1 | 81 mph | 71 km |
| 1993 | Gert | Category 2 | 98 mph | 119 km |
| 1990 | Diana | Category 2 | 98 mph | 154 km |
| 1988 | Gilbert | Category 4 | 132 mph | 204 km |
| 1988 | Debby | Category 1 | 75 mph | 178 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 65°F (19°C) | 1.1 in | Coldest |
| February | 67°F (20°C) | 0.7 in | |
| March | 72°F (22°C) | 0.5 in | Driest |
| April | 77°F (25°C) | 0.7 in | |
| May | 81°F (27°C) | 1.9 in | |
| June | 83°F (28°C) | 6.6 in | Warmest |
| July | 82°F (28°C) | 5.9 in | |
| August | 82°F (28°C) | 6.0 in | |
| September | 81°F (27°C) | 9.0 in | Wettest |
| October | 78°F (26°C) | 4.5 in | |
| November | 73°F (23°C) | 1.4 in | |
| December | 67°F (20°C) | 1.7 in |
Primero de Mayo has a seasonal temperature swing of 17°F / from 65°F in January to 83°F in June. Total annual precipitation is 39.9 inches, with September being the wettest month (9.0") and March the driest (0.5").