San Antonio, TX weather in December 1978

Temperature for December 1978

In December 1978 the average high temperature in San Antonio, TX was 65.2°F, and this was 0.5°F cooler than the average of 65.7°F. The hottest day in December 1978 was 2 December when the temperature reached 84.0°F. Overnight the average temperature in December is 44.7°F and in 1978 the average overnight temperature was 0.6°F cooler at 44.1°F.

Precipitation for December 1978

In December the average monthly rainfall in San Antonio, TX is 0.82 inches with rain usually falling on 10 days. In December 1978 there was a total of 0.49 inches of rain, that fell on 14 days.