Great Falls, MT weather in December 1984

Temperature for December 1984

In December 1984 the average high temperature in Great Falls, MT was 25.6°F, and this was 11.1°F cooler than the average of 36.7°F. The hottest day in December 1984 was 9 December when the temperature reached 53.1°F. Overnight the average temperature in December is 16.8°F and in 1984 the average overnight temperature was 13.8°F cooler at 2.9°F.

Precipitation for December 1984

In December the average monthly rainfall in Great Falls, MT is 0.73 inches with rain usually falling on 1 days. In December 1984 there was a total of 1.39 inches of rain, that fell on 1 days.