Temperature for December 1984
In December 1984 the average high temperature in San Antonio, TX was 68.9°F, and this was 3.2°F warmer than the average of 65.7°F. The hottest day in December 1984 was 30 December when the temperature reached 75.9°F. Overnight the average temperature in December is 44.7°F and in 1984 the average overnight temperature was 9.1°F warmer at 53.8°F.