Harrisburg, PA weather in December 1999

Temperature for December 1999

In December 1999 the average high temperature in Harrisburg, PA was 44.0°F, and this was 0.7°F warmer than the average of 43.3°F. The hottest day in December 1999 was 5 December when the temperature reached 64.4°F. Overnight the average temperature in December is 29.9°F and in 1999 the average overnight temperature was 0.8°F warmer at 30.7°F.

Precipitation for December 1999

In December the average monthly rainfall in Harrisburg, PA is 1.84 inches with rain usually falling on 3 days. In December 1999 there was a total of 0.00 inches of rain, that fell on 7 days.