Climate in McAllen
McAllen's climate is humid subtropical -- genuinely different from Laredo's dry semi-arid climate in this batch -- with real, documented tropical-storm, hurricane-remnant, and inland-flooding exposure even though McAllen itself sits roughly 70 miles inland from the Gulf coast.
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Learn moreA humid, warm climate with a real wet season
McAllen shares the broader Rio Grande Valley's humid subtropical climate pattern: hot, humid summers and mild winters, genuinely different from Laredo's drier inland climate built alongside it in this same batch (base record).
Hurricane Hanna (2020): a real, documented recent flooding event
Hurricane Hanna made landfall along the Cameron-Willacy county line in July 2020 with 90 mph winds; the McAllen/Mission area saw peak winds of 60-65 mph, but the more serious impact was flooding -- 8 to 15 inches of rain fell across the region, with up to 4 feet of water in spots between Santa Rosa/La Feria and east of Edinburg and in the Mission/La Joya/Sullivan City area. A flash flood emergency was issued for Mission, Texas, with numerous water rescues performed (National Weather Service Brownsville/Rio Grande Valley office, retrieved 2026-08-22).
Hurricane Beulah (1967): the historical benchmark storm for the whole region
Hurricane Beulah made landfall as a Category 3 storm near the mouth of the Rio Grande/Brownsville in September 1967, spawning a then-record 115 tornadoes across Texas and causing massive regional flooding, with 58 total fatalities (15 in Texas) and $217 million in 1967 damages (about $1.59 billion in 2017 dollars) -- a real, historical benchmark for the severity this region can experience, even though it made direct landfall closer to Brownsville than McAllen (NOAA/UTRGV Digital Exhibits, retrieved 2026-08-22).
Real flood risk beyond official FEMA zones
An estimated 58% of McAllen buildings face significant flood risk from heavy rainfall, Rio Grande flooding, and hurricane remnants -- even outside FEMA-designated high-risk flood zones (see the taxes-insurance topic).
Key takeaways
- McAllen's humid subtropical climate is genuinely different from Laredo's drier inland climate -- hot, humid summers and mild winters.
- Hurricane Hanna (2020) caused a flash flood emergency and water rescues in the Mission area near McAllen, with 8-15 inches of rain and up to 4 feet of water in spots.
- Hurricane Beulah (1967), a historical Category 3 landfall near Brownsville, remains the regional benchmark for severe storm impact, including widespread flooding and a then-record 115 tornadoes.
- An estimated 58% of McAllen buildings face significant flood risk even outside official FEMA high-risk zones -- confirm a specific address's exposure directly.
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