Best Time to Visit Montana National Parks
Montana has 8 National Park Service units that report visitation. Below, each is ranked by annual visits, with the month our data recommends for the best balance of light crowds, comfortable weather and daylight. Crowds peak in summer almost everywhere — the recommended months show where the quieter shoulder seasons fall.
| Park | Annual visits | Best time | Busiest | Quietest |
|---|---|---|---|---|
| YellowstoneNational Park | 4,762,988 | April | Jul | Nov |
| GlacierNational Park | 3,136,557 | May | Jul | Feb |
| Nez PerceNational Historical Park | 343,910 | July | Aug | Jan |
| Bighorn CanyonNational Recreation Area | 228,382 | September | Jul | Dec |
| Little Bighorn BattlefieldNational Monument | 111,825 | May | Jul | Dec |
| Big HoleNational Battlefield | 40,938 | April | Jul | Dec |
| Grant-Kohrs RanchNational Historic Site | 23,520 | April | Jul | Feb |
| Fort Union Trading PostNational Historic Site | 12,028 | August | Jun | Jan |