Great Falls Weather In January
The highest recorded temperature in January for Great Falls Montana for the past 73 years was 86 degrees Fahrenheit, registered on January 26, 1892, while the mean high temperature is 32. The record low January temperature in Great Falls for the last 73 years was -44 on January 6, 1909, and the average low daily temperature is 11.
US National Weather Service historical Great Falls January Weather data records that on January 21, 1943, the high temperature did not exceed -25 degrees Fahrenheit, the lowest high measured in Great Falls in the past 73 years. The Weather Service additionally indicates that on January 29, 1931, the low for the day did not drop below 48 degrees, the highest low recorded in Great Falls in the last 73 years.
Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Great Falls on January First is 33 degrees Fahrenheit and the average high on the last day of January is 30 degrees. The low temperature in Great Falls in January on the first day of the month averages 14 degrees and the low temperature on the last day of the month averages 10 degrees.
Great Falls usually receives an average of 0.68 inches of precipitation during January. January Great Falls Weather records indicate that on January 23, 1943 Great Falls received 0.68 inches of precipitation, the highest amount of rain recorded in a single day in January. Great Falls averages 9.4 inches of snow in January.On January 21, 1943 Great Falls received 9.6 inches of precipitation, the highest snowfall recorded in a single day in January.