Thunderstorms generally strike from April through September. Hail beats down on San Antonio during the spring. Winter precipitation falls mostly in the form of light rain and drizzle, though snow graces the land about once every three or four years. Temperatures run the gamut from the single figures to triple digits. Over the last 48 years, the mercury rose as high as 108 degrees Fahrenheit and hit its lowest mark at 0.
Tropical cyclones can even affect the city.
One of the fastest wind gusts ever recorded was 74 mph, thanks to a tropical storm in August of 1942. But the old enemy of Bexar County is the tornado. One per year has struck, on average, since 1953. The strongest twister this county has seen hit in 1953. It was an F4, with winds estimated between 207 and 260 mph.