Great Falls

The tables below display average monthly climate and weather indicators in Great Falls Montana. Temperature by: Fahrenheit / Centigrade Great Falls Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Avg. Temperature -6.0 -2.6 0.7 6.4 11.7 16.4 20.1 19.4 13.7 8.6 1.1 -4.5 7.1 Avg. Max Temperature -0.8 3.1 6.5 12.9 18.4 23.7 28.5 27.6 20.9 15.2 6.4 0.6 13.6 Avg. Min Temperature -11.3 -8.2 -5.1 -0.1 4.9 9.2 11.8 11.2 6.4 2.1 -4.3 -9.7 0.6 Days with Max Temp of 32 C or Higher 0.0 0.0 0.0 0.0 < 0.5 2.0 7.0 7.0 1.0 < 0.5 0.0 0.0 18.0 Days with Min Temp Below Freezing 27.0 24.0 25.0 16.0 4.0 < 0.5 0.0 < 0.5 3.0 12.0 22.0 26.0 158     Great Falls Heating and Cooling Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Heating Degree Days 1358 1053 983 642 372 156 37.0 91.0 299 543 933 1274 7741 Cooling Degree Days 0.0 0.0 0.0 0.0 0.0 54.0 137 150 47.0 0.0 0.0 0.0 388     Great Falls Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precipitation (inches) 0.9 0.6 1.1 1.4 2.5 2.4 1.2 1.5 1.2 0.8 0.7 0.8 15.2 Days with Precipitation 0.01 inch or More 9.0 8.0 9.0 9.0 12.0 12.0 8.0 8.0 7.0 6.0 7.0 8.0 101 Monthly Snowfall (inches) 9.6 8.3 10.6 7.2 1.7 0.3 < 0.05 0.1 1.5 3.4 7.5 8.2 58.4     Other Great Falls Weather Indicators Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Average Wind Speed 14.9 14.0 12.8 12.6 11.3 11.1 10.0 10.1 11.2 13.0 14.5 15.4 12.6 Clear Days 5.0 4.0 4.0 4.0 5.0 5.0 13.0 12.0 10.0 7.0 5.0 5.0 79.0 Partly Cloudy Days 6.0 6.0 9.0 8.0 10.0 11.0 12.0 11.0 9.0 9.0 7.0 8.0 106 Cloudy Days 19.0 18.0 18.0 18.0 17.0 14.0 6.0 8.0 11.0 15.0 18.0 18.0 180 Percent of Possible Sunshine 49.0 56.0 66.0 62.0 62.0 65.0 79.0 76.0 67.0 61.0 46.0 44.0 61.0 Avg. Relative Humidity 52.0 64.0 61.5 59.0 56.0 56.5 54.5 48.0 48.5 51.0 55.0 60.5 64.0

Weather information for other cities in Montana • Billings Weather • Glasgow Weather • Helena Weather • Kalispell Weather • Missoula Weather