San Antonio Weather In March
The highest recorded temperature in March for San Antonio for the past 69 years was 100 degrees Fahrenheit, on March 5, 1991, while the standard high temperature is 74. The coldest March day in San Antonio for the past 69 years was 19 on March 3, 2002, while the average low temperature is 50.
According to National Weather Service San Antonio March Weather data, on March 11, 1948, the recorded high temperature did not exceed 33 degrees Fahrenheit, the lowest high measured in San Antonio in the past 69 years. NWS data also shows that on March 27, 1975, the lowest measured temperature on that day did not drop below 72 degrees, the highest low temperature measured in San Antonio in the last 69 years.
National Weather Service records indicate that the high temperature in San Antonio on March First averages 70 degrees and the high on the last day of the month averages 77 degrees. The low measured temperature in San Antonio on March First averages 46 degrees and the low on the last day of the month averages 53 degrees.
San Antonio typically receives an average of 1.89 inches of precipitation during the month. March San Antonio Weather records show that on March 29, 1992 San Antonio received 2.5 inches of rain, the most rain measured in a single day in March.