Whether you're visiting Montana in the United States of America during the peak of July (29°C (84°F)) or the cooler months around December (-1°C (30°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Whitefish, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Montana during June and September is comfortably warm, with average temperatures ranging from 22°C (72°F) to 22°C (72°F).
The coldest months generally fall in January, February, March, November and December.
Precipitation in Montana varies considerably throughout the year. The wettest conditions occur in June with 91 mm (3.6 in) of rain, while August stays relatively dry with 27 mm (1.1 in).
