Great Falls is a city of approximately 59,600 people in Montana, United States. Located in the Mountain Time Zone at 47.5°N latitude.
In 2025, Great Falls averaged an annual temperature of 48°F, with hottest temperatures reaching 94°F in July and lowest around -27°F in February. The city received approximately 18 inches of precipitation during the year.
View historical weather for Great Falls · More cities in Montana