| January→ |
Empty
2% of peak · 18K visits
|
Harsh
30°F / 19°F (-1°C / -7°C) · 32.0″ snow
|
Closed
Composite access score · 15/100
|
Quietest stretch of the year alongside February. West Entrance and Apgar open; Going-to-the-Sun ends at Lake McDonald Lodge. Cross-country skiing, no shuttles.Read January → |
| February→ |
Empty
2% of peak · 17K visits
|
Harsh
34°F / 19°F (1°C / -7°C) · 16.0″ snow
|
Closed
Composite access score · 15/100
|
Coldest month at the West Entrance. Lake McDonald frozen at the head. North Fork and Two Medicine roads closed; high country snowcoach-free.Read February → |
| March→ |
Empty
3% of peak · 26K visits
|
Harsh
43°F / 25°F (6°C / -4°C) · 14.0″ snow
|
Closed
Composite access score · 15/100
|
Snowpack still deep on Logan Pass. Lower GTSR open to Lake McDonald Lodge. Early plowing begins on the upper road. Wildlife stays low.Read March → |
| April→ |
Empty
6% of peak · 45K visits
|
Mixed
53°F / 31°F (11°C / 0°C) · 3.1″ snow
|
Limited
Composite access score · 20/100
|
Crowds still light. Bears emerging. Apgar and West Glacier services begin opening for the season; upper Going-to-the-Sun closed to vehicles.Read April → |
| May→ |
Quiet
27% of peak · 202K visits
|
Ideal
64°F / 39°F (18°C / 4°C) · 0.5″ snow
|
Partial
Composite access score · 50/100
|
Visits jump as Many Glacier and Two Medicine roads typically open late May. Going-to-the-Sun above Lake McDonald usually still closed for plowing.Read May → |
| June→ |
Busy
72% of peak · 551K visits
|
Ideal
70°F / 45°F (21°C / 7°C) · 3.80″ precip
|
Full
Composite access score · 85/100
|
Going-to-the-Sun typically completes plowing late June. Operations ramp toward full. Wildflowers on lower trails; high passes patchy with snow.Read June → |
| July→ |
Packed
100% of peak · 761K visits
|
Ideal
80°F / 50°F (27°C / 10°C) · 1.39″ precip
|
Full
Composite access score · 100/100
|
Peak month. Logan Pass parking fills before mid-morning. Lake McDonald and Saint Mary briefly swimmable. Afternoon thunderstorms common.Read July → |
| August→ |
Packed
91% of peak · 693K visits
|
Ideal
79°F / 48°F (26°C / 9°C) · 1.17″ precip
|
Full
Composite access score · 100/100
|
Still near peak. Heat at lower elevations, smoke risk in dry years. Bear activity high on huckleberry trails (NPS bear safety).Read August → |
| September→ |
Busy
73% of peak · 557K visits
|
Ideal
68°F / 41°F (20°C / 5°C) · 1.96″ precip
|
Full
Composite access score · 100/100
|
Best tradeoff month. Crowds drop sharply after Labor Day. Larches turn gold late month. Lodges start closing mid-to-late September.Read September → |
| October→ |
Empty
18% of peak · 139K visits
|
Mixed
52°F / 33°F (11°C / 0°C) · 2.0″ snow
|
Partial
Composite access score · 50/100
|
Going-to-the-Sun closes for the season at the third Monday in October. Quiet, often the first reliable snows above 6,000 ft.Read October → |
| November→ |
Empty
3% of peak · 24K visits
|
Harsh
37°F / 26°F (3°C / -3°C) · 16.2″ snow
|
Limited
Composite access score · 30/100
|
Many Glacier Road closes by the third weekend. Quietest tier of the year. Plowed corridor: West Glacier to Lake McDonald Lodge.Read November → |
| December→ |
Empty
2% of peak · 19K visits
|
Harsh
29°F / 20°F (-2°C / -7°C) · 31.4″ snow
|
Closed
Composite access score · 15/100
|
Cross-country ski and snowshoe season opens at Apgar. Year-round entrances only; everything else snowed in.Read December → |