Weather By Day

January Weather In San Antonio  
January San Antonio Weather
Record High: 89°F
Normal High: 62°F
Normal Low: 39°F
Record Low: 0°F
Avg Monthly Rain: 1.66"
Rec 1 Day Rain: 2.72"
Avg Monthly Snow: 0.5"
Rec 1 Day Snow: 13.2"

San Antonio Weather In January

The highest recorded temperature for San Antonio for the past 69 years in January was 89 degrees Fahrenheit, most recently encountered on January 12, 1971, while the average high temperature is 62. The coldest January day in San Antonio for the past 69 years was 0 most recently measured on January 31, 1949, while the normal low measured temperature is 39.

According to National Weather Service historical San Antonio January Weather data, on January 31, 1951, the high temperature did not exceed 23 degrees Fahrenheit, the lowest high measured in San Antonio in the past 69 years. The Weather Service additionally indicates that on January 10, 2005, the low for the day did not drop below 68 degrees, the highest low recorded in San Antonio in the last 69 years.

National Weather Service data shows that the high temperature in San Antonio on January First averages 61 degrees Fahrenheit and the high on the final day of January averages 62 degrees. The low temperature in San Antonio in January on the first day of the month averages 40 degrees and the low temperature on the last day of the month averages 40 degrees.

San Antonio typically receives an average of 1.66 inches of precipitation during the month. The most rain recorded in a single day, as shown by January San Antonio Weather data, was 2.72 inches on January 20, 1968. San Antonio receives an average of 0.5 inches of snow in January. The most snow recorded in a single day in January was 13.2 inches on January 12, 1985.