San Antonio’s 100-Degree Days: Has the City Ever Had a Full Year Without Reaching 100°F?
The San Antonio Express-News is reporting on whether the city has ever experienced a full year without any days reaching 100 degrees Fahrenheit.
San Antonio, TX, August 17, 2026 —
Residents of San Antonio may be wondering if the city has ever gone an entire calendar year without experiencing a day that reached 100 degrees Fahrenheit. The San Antonio Express-News is exploring this question, examining historical weather data to determine if such a year has occurred.
The occurrence of days with temperatures at or above 100 degrees Fahrenheit is a significant weather marker, often associated with prolonged periods of heat and drought. Such conditions can have various impacts on daily life, infrastructure, and the local environment.
Information regarding specific years that may have met this criterion, or the frequency with which 100-degree days occur, is being investigated. Further details on the historical weather records and the findings of the San Antonio Express-News’s research are expected to provide clarity on this aspect of the city’s climate history.
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