Great Falls, MT weather in October 1999

Temperature for October 1999

In October 1999 the average high temperature in Great Falls, MT was 63.3°F, and this was 2.5°F warmer than the average of 60.8°F. The hottest day in October 1999 was 24 October when the temperature reached 77.0°F. Overnight the average temperature in October is 34.9°F and in 1999 the average overnight temperature was 1.7°F cooler at 33.3°F.

Precipitation for October 1999

In October the average monthly rainfall in Great Falls, MT is 1.00 inches with rain usually falling on 5 days. In October 1999 there was a total of 0.64 inches of rain, that fell on 4 days.