Great Falls, MT weather in May 2011

Temperature for May 2011

In May 2011 the average high temperature in Great Falls, MT was 62.0°F, and this was 5.0°F cooler than the average of 67.0°F. The hottest day in May 2011 was 12 May when the temperature reached 75.0°F. Overnight the average temperature in May is 39.2°F and in 2011 the average overnight temperature was 1.0°F warmer at 40.2°F.

Precipitation for May 2011

In May the average monthly rainfall in Great Falls, MT is 2.38 inches with rain usually falling on 11 days. In May 2011 there was a total of 4.11 inches of rain, that fell on 0 days.