Best Time to Visit Glacier National Park
The best months to visit Glacier National Park are June, September, October — computed from official NPS visitation (2021–2025 average), NOAA weather normals and daylight. July is the crowd peak (761,346 monthly visits); February is quietest at 2% of peak.
Monthly crowd curve
Average monthly recreation visits, 2021–2025 (NPS Visitor Use Statistics). Amber bar = current month.
Glacier month by month
| Month | Verdict | Avg visits | % of peak | High / Low | Precip | Daylight |
|---|---|---|---|---|---|---|
| January | Shoulder | 17,992 | 2% | 32°F / 15°F | 2.1″ | 8.7h |
| February | Shoulder | 16,922 | 2% | 31°F / 15°F | 2.1″ | 10.2h |
| March | Shoulder | 25,800 | 3% | 38°F / 20°F | 2.5″ | 11.8h |
| April | Shoulder | 45,417 | 6% | 46°F / 28°F | 2.5″ | 13.7h |
| May | Shoulder | 202,281 | 27% | 56°F / 35°F | 2.8″ | 15.2h |
| June | Best window | 551,415 | 72% | 63°F / 42°F | 3.1″ | 16.1h |
| July | Peak crowds | 761,346 | 100% | 73°F / 46°F | 1.2″ | 15.8h |
| August | Peak crowds | 693,318 | 91% | 73°F / 45°F | 1.3″ | 14.4h |
| September | Best window | 557,269 | 73% | 63°F / 39°F | 1.6″ | 12.6h |
| October | Best window | 139,359 | 18% | 49°F / 32°F | 2.2″ | 10.9h |
| November | Shoulder | 24,006 | 3% | 37°F / 25°F | 2.7″ | 9.2h |
| December | Shoulder | 18,684 | 2% | 31°F / 17°F | 2.1″ | 8.3h |
Crowds: NPS Visitor Use Statistics, mean of 2021–2025 (2020 excluded as a COVID-19 anomaly). Weather: NOAA 1991–2020 monthly normals, station ST. MARY 1 SSW, MT US (17 mi from park coordinates). Daylight: computed for the 15th of each month at the park's location. Methodology.
Common questions
What is the best month to visit Glacier?
June, September, October rank best for Glacier on VisitWhen's computed score — the strongest balance of low crowds (NPS data), comfortable weather (NOAA normals) and daylight, among months when the park’s headline access is typically open.
What is the most crowded month at Glacier?
July: an average of 761,346 recreation visits (NPS, 2021–2025). The quietest is February, at 2% of the July peak.
How many people visit Glacier per year?
Glacier National Park averaged 3,053,809 recreation visits per year over 2021–2025, per official NPS Visitor Use Statistics.
Dive into a month
Last verified 2026-07-16 · all parks