Great Falls, MT weather in December 1977

Temperature for December 1977

In December 1977 the average high temperature in Great Falls, MT was 29.6°F, and this was 7.2°F cooler than the average of 36.7°F. The hottest day in December 1977 was 12 December when the temperature reached 52.0°F. Overnight the average temperature in December is 16.8°F and in 1977 the average overnight temperature was 8.2°F cooler at 8.6°F.

Precipitation for December 1977

In December the average monthly rainfall in Great Falls, MT is 0.73 inches with rain usually falling on 1 days. In December 1977 there was a total of 1.96 inches of rain, that fell on 4 days.