Great Falls, MT weather in May 1984

Temperature for May 1984

In May 1984 the average high temperature in Great Falls, MT was 67.2°F, and this was 0.3°F warmer than the average of 67.0°F. The hottest day in May 1984 was 30 May when the temperature reached 89.1°F. Overnight the average temperature in May is 39.2°F and in 1984 the average overnight temperature was 1.3°F warmer at 40.5°F.

Precipitation for May 1984

In May the average monthly rainfall in Great Falls, MT is 2.38 inches with rain usually falling on 11 days. In May 1984 there was a total of 1.33 inches of rain, that fell on 15 days.