Milwaukee, WI weather in December 1999

Temperature for December 1999

In December 1999 the average high temperature in Milwaukee, WI was 37.3°F, and this was 2.8°F warmer than the average of 34.5°F. The hottest day in December 1999 was 4 December when the temperature reached 57.0°F. Overnight the average temperature in December is 19.0°F and in 1999 the average overnight temperature was 1.7°F warmer at 20.7°F.

Precipitation for December 1999

In December the average monthly rainfall in Milwaukee, WI is 1.83 inches with rain usually falling on 6 days. In December 1999 there was a total of 1.37 inches of rain, that fell on 9 days.