Great Falls, MT weather in December 1987

Temperature for December 1987

In December 1987 the average high temperature in Great Falls, MT was 41.2°F, and this was 4.5°F warmer than the average of 36.7°F. The hottest day in December 1987 was 5 December when the temperature reached 62.1°F. Overnight the average temperature in December is 16.8°F and in 1987 the average overnight temperature was 3.1°F warmer at 19.9°F.

Precipitation for December 1987

In December the average monthly rainfall in Great Falls, MT is 0.73 inches with rain usually falling on 1 days. In December 1987 there was a total of 0.25 inches of rain, that fell on 1 days.