Temperature for December 1951
In December 1951 the average high temperature in San Antonio, TX was 71.1°F, and this was 5.4°F warmer than the average of 65.7°F. The hottest day in December 1951 was 20 December when the temperature reached 84.9°F. Overnight the average temperature in December is 44.7°F and in 1951 the average overnight temperature was 2.8°F warmer at 47.4°F.