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Weather & Climate in Castamay, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castamay has a warm climate with an average annual temperature of 80°F (27°C). Winters average 74°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 254 sunny days per year, above the national average. Annual precipitation totals 45.4 inches. The city sits at an elevation of 56 feet.
Temperature
74°F Jan (23°C)
83°F Jul (28°C)
| Annual Average | 79.7°F |
| 48% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 254 days/yr |
Geography
| Elevation | 56 ft (17 m) |
| Area | 299.6 sq mi (775.9 km²) |
| Population Density | 4/sq mi |
| Coordinates | 19.8378°N, 90.4318°W |
| Timezone | America/Merida |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Sep 23, 1997 | Gulf of America | M4.1 | 141 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
13 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Milton | Category 5 | 178 mph | 218 km |
| 2024 | Beryl | Category 1 | 86 mph | 252 km |
| 2020 | Delta | Category 1 | 92 mph | 259 km |
| 2020 | Zeta | Category 1 | 75 mph | 277 km |
| 2012 | Ernesto | Category 2 | 98 mph | 189 km |
| 2011 | Nate | Category 1 | 75 mph | 175 km |
| 2007 | Dean | Category 5 | 173 mph | 71 km |
| 2005 | Emily | Category 2 | 75 mph | 224 km |
| 2002 | Isidore | Category 3 | 127 mph | 101 km |
| 1996 | Dolly | Category 1 | 75 mph | 285 km |
| 1995 | Roxanne | Category 3 | 115 mph | 27 km |
| 1995 | Opal | Category 1 | 86 mph | 234 km |
| 1988 | Gilbert | Category 4 | 150 mph | 186 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 1.1 in | Coldest |
| February | 75°F (24°C) | 0.9 in | |
| March | 79°F (26°C) | 0.7 in | |
| April | 82°F (28°C) | 0.7 in | Driest |
| May | 85°F (29°C) | 2.8 in | Warmest |
| June | 84°F (29°C) | 6.7 in | |
| July | 83°F (28°C) | 6.7 in | |
| August | 82°F (28°C) | 7.9 in | |
| September | 82°F (28°C) | 9.1 in | Wettest |
| October | 80°F (27°C) | 5.5 in | |
| November | 77°F (25°C) | 2.1 in | |
| December | 75°F (24°C) | 1.2 in |
Castamay has a seasonal temperature swing of 11°F / from 74°F in January to 85°F in May. Total annual precipitation is 45.4 inches, with September being the wettest month (9.1") and April the driest (0.7").