Temperature for March
In Great Falls, MT during March the average high temperature is 48.1°F. The hottest day on record was March 30, 1978 when the temperature recorded was 78.1°F.

In Great Falls, MT during March the average high temperature is 48.1°F. The hottest day on record was March 30, 1978 when the temperature recorded was 78.1°F.
In March the average monthly rainfall in Great Falls, MT is 1.43 inches with rain usually falling on between 3 and 4 days. 1986 was the driest March with only 0.13 inches of rain falling, and 1973 was the wettest March with 19.35 inches of rain. The wettest single day in March was 21 March 1973 when 5.12 inches of rain fell.
In March it usually snows on between 9 and 10 days. In March there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in March.