Temperature for December
In Tyler, TX during December the average high temperature is 59.4°F. The hottest day on record was December 3, 2005 when the temperature hit 82.9°F.

In Tyler, TX during December the average high temperature is 59.4°F. The hottest day on record was December 3, 2005 when the temperature hit 82.9°F.
In December the average monthly rainfall in Tyler, TX is 1.79 inches with rain usually falling on between 7 and 8 days. 1978 was the driest December with only 0.00 inches of rain falling, and 2002 was the wettest December with 6.26 inches of rain. The wettest single day in December was 29 December 2003 when 1.89 inches of rain fell.
In December it usually snows on between 0 and 1 days. There are thunderstorms on between 1 and 2 days in December.