Montana
National parks in Montana
Montana has 2 national parks and 2 other busy National Park System sites in this guide. The best months below balance mild weather and crowds.
| Park | Best months | Busiest | July high / January low °F | Visitors a year |
|---|---|---|---|---|
| Yellowstone National Park | Jul, Aug and Sep | Jul | 72° / 1° | 4,670,000 |
| Glacier National Park | Aug and Sep | Jul | 80° / 19° | 3,093,000 |
| Bighorn Canyon National Recreation Area | Apr, May and Oct | Jul | 87° / 7° | 222,000 |
| Little Bighorn Battlefield National Monument | Apr, Sep and Oct | Jun | 91° / 11° | 127,000 |
Montana parks by month
| Month | Visitors, all 4 sites | Sites with mild weather |
|---|---|---|
| January | 64,000 | none |
| February | 68,000 | none |
| March | 65,000 | none |
| April | 136,000 | none |
| May | 773,000 | none |
| June | 1,510,000 | none |
| July | 1,815,000 | Yellowstone |
| August | 1,637,000 | Yellowstone, Glacier |
| September | 1,454,000 | Yellowstone, Glacier |
| October | 479,000 | none |
| November | 53,000 | none |
| December | 59,000 | none |
Weather 1991–2020 NOAA normals at each park's nearest station. Visitors National Park Service recreation visits, 2023–2025 average. Mild means an average high of 55–80°F without above-normal rain.