Great Falls, MT weather in May 2012

Temperature for May 2012

In May 2012 the average high temperature in Great Falls, MT was 66.9°F, and this was 0.0°F cooler than the average of 67.0°F. The hottest day in May 2012 was 16 May when the temperature reached 86.0°F. Overnight the average temperature in May is 39.2°F and in 2012 the average overnight temperature was 0.8°F cooler at 38.4°F.

Precipitation for May 2012

In May the average monthly rainfall in Great Falls, MT is 2.38 inches with rain usually falling on 11 days. In May 2012 there was a total of 2.68 inches of rain, that fell on 11 days.