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. 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) |
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").