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Weather & Climate in Chemax, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chemax has a warm climate with an average annual temperature of 78°F (26°C). Winters average 73°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 255 sunny days per year, above the national average. Annual precipitation totals 44.6 inches. The city sits at an elevation of 69 feet.
Temperature
73°F Jan (23°C)
82°F Jul (28°C)
| Annual Average | 78.1°F |
| 45% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 69 ft (21 m) |
| Area | 1.7 sq mi (4.3 km²) |
| Population Density | 8,913/sq mi |
| Coordinates | 20.6556°N, 87.9369°W |
| Timezone | America/Merida |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jan 12, 2015 | Gulf of America | M4.0 | 64 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Milton | Category 5 | 167 mph | 205 km |
| 2024 | Beryl | Category 3 | 109 mph | 28 km |
| 2024 | Helene | Category 1 | 81 mph | 187 km |
| 2021 | Grace | Category 1 | 86 mph | 77 km |
| 2020 | Delta | Category 2 | 104 mph | 75 km |
| 2020 | Zeta | Category 1 | 86 mph | 7 km |
| 2020 | Gamma | Category 1 | 75 mph | 76 km |
| 2018 | Michael | Category 2 | 98 mph | 296 km |
| 2012 | Ernesto | Category 2 | 98 mph | 208 km |
| 2011 | Rina | Category 1 | 92 mph | 263 km |
| 2010 | Paula | Category 2 | 104 mph | 202 km |
| 2009 | Ida | Category 2 | 104 mph | 217 km |
| 2007 | Dean | Category 5 | 173 mph | 211 km |
| 2005 | Wilma | Category 4 | 150 mph | 91 km |
| 2005 | Emily | Category 4 | 138 mph | 9 km |
| 2002 | Isidore | Category 3 | 127 mph | 140 km |
| 1996 | Dolly | Category 1 | 75 mph | 163 km |
| 1995 | Roxanne | Category 3 | 115 mph | 74 km |
| 1988 | Gilbert | Category 5 | 178 mph | 31 km |
| 1980 | Allen | Category 5 | 190 mph | 168 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 1.7 in | Coldest, Driest |
| February | 74°F (23°C) | 1.8 in | |
| March | 77°F (25°C) | 1.7 in | |
| April | 79°F (26°C) | 1.7 in | |
| May | 82°F (28°C) | 3.6 in | |
| June | 82°F (28°C) | 5.8 in | Warmest |
| July | 82°F (28°C) | 5.2 in | |
| August | 81°F (27°C) | 6.5 in | |
| September | 80°F (27°C) | 6.9 in | Wettest |
| October | 79°F (26°C) | 5.5 in | |
| November | 76°F (24°C) | 2.4 in | |
| December | 74°F (23°C) | 1.8 in |
Chemax has a seasonal temperature swing of 9°F / from 73°F in January to 82°F in June. Total annual precipitation is 44.6 inches, with September being the wettest month (6.9") and January the driest (1.7").