Great Falls, MT weather in May 1980

Temperature for May 1980

In May 1980 the average high temperature in Great Falls, MT was 71.6°F, and this was 4.7°F warmer than the average of 67.0°F. The hottest day in May 1980 was 22 May when the temperature reached 92.8°F. Overnight the average temperature in May is 39.2°F and in 1980 the average overnight temperature was 3.0°F warmer at 42.1°F.

Precipitation for May 1980

In May the average monthly rainfall in Great Falls, MT is 2.38 inches with rain usually falling on 11 days. In May 1980 there was a total of 5.72 inches of rain, that fell on 16 days.