Temperature for December
In Melbourne, FL during December the average high temperature is 73.8°F. The hottest day on record was December 12, 1976 when the temperature hit 89.1°F.
Precipitation for December
In December the average monthly rainfall in Melbourne, FL is 1.07 inches with rain usually falling on between 7 and 8 days. 1975 was the driest December with only 0.00 inches of rain falling, and 1994 was the wettest December with 5.79 inches of rain. The wettest single day in December was 5 December 2009 when 2.21 inches of rain fell.
In December there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in December.