Great Falls, MT weather in December 2009

Temperature for December 2009

In December 2009 the average high temperature in Great Falls, MT was 24.8°F, and this was 12.0°F cooler than the average of 36.7°F. The hottest day in December 2009 was 1 December when the temperature reached 46.9°F. Overnight the average temperature in December is 16.8°F and in 2009 the average overnight temperature was 10.2°F cooler at 6.6°F.

Precipitation for December 2009

In December the average monthly rainfall in Great Falls, MT is 0.73 inches with rain usually falling on 1 days. In December 2009 there was a total of 0.79 inches of rain, that fell on 0 days.