Montana · National Park
Best time to visit Glacier
Checked Oct 26, 2026 · Source: NPS + NOAA
For Glacier, the mild and quiet months are April, May and October: average highs of 50 to 85°F at the nearest NOAA station and visits at or below the yearly monthly average. July is busiest, with 24% of 2025 recreation visits. February was quietest, with an average high of 34°F.
Crowd index by month
Each bar is that month’s NPS recreation visits compared with the average month of 2025 (100 = average). July scored 293; February scored 6.
Source: NPS IRMA Stats, recreation visitors, 2025, pulled Oct 26, 2026. Index = month ÷ average month × 100.
Weather normals by month
| Month | Avg high °F | Avg low °F | Precip in | Crowd index |
|---|---|---|---|---|
| January | 29.9 | 19.3 | 3.54 | 7 |
| February | 33.6 | 19.4 | 2.17 | 6 |
| March | 42.5 | 25.1 | 2.58 | 10 |
| April | 52.6 | 31.4 | 2.15 | 19 |
| May | 64.1 | 39.0 | 2.62 | 91 |
| June | 70.4 | 45.1 | 3.80 | 221 |
| July | 80.2 | 49.6 | 1.39 | 293 |
| August | 79.4 | 47.9 | 1.17 | 275 |
| September | 68.0 | 40.8 | 1.96 | 211 |
| October | 51.7 | 32.9 | 3.05 | 49 |
| November | 37.0 | 26.4 | 3.23 | 11 |
| December | 29.2 | 19.9 | 3.21 | 8 |
Source: NOAA NCEI U.S. Climate Normals 1991-2020 (monthly), station USC00248809. The station may sit at a different elevation than the places you visit, so expect cooler temperatures higher up.
Mild and quiet months
- April
- May
- October
Our rule, applied to the data above: average high between 50 and 85°F, and recreation visits no higher than the average month. It is arithmetic, not a forecast. Roads, trails and facilities can still be closed in these months.
Closures and seasonal dates
| Campground | Closed from | Until |
|---|---|---|
| Fish Creek Campground | Sep 4, 2026 | May 14, 2027 |
| Many Glacier Campground | Oct 20, 2026 | Jun 4, 2027 |
| Two Medicine Campground | Sep 16, 2027 | Oct 14, 2027 |
| Two Medicine Campground | Oct 15, 2026 | May 23, 2027 |
| Avalanche Campground | Sep 21, 2026 | Jun 26, 2027 |
| Rising Sun Campground | Sep 5, 2026 | May 28, 2027 |
| Bowman Lake Campground | Nov 1, 2026 | May 11, 2027 |
| Sprague Creek Campground | Oct 2, 2026 | May 19, 2027 |
| Cut Bank Campground | Sep 20, 2026 | May 28, 2027 |
| Kintla Lake Campground | Nov 1, 2026 | May 21, 2027 |
| Logging Creek Campground | Oct 26, 2026 | Jun 26, 2027 |
| Quartz Creek Campground | Oct 23, 2026 | Jun 30, 2027 |
Park Closure Going-to-the-Sun Road Seasonal Closure
Going-to-the-Sun Road is closed for the season at Avalanche Creek on the west side of the park. On the east side, the closure is located at Jackson Glacier Overlook. Travel on open sections of the road may change at any time due to winter weather conditions. Details on nps.gov
Source: NPS API campgrounds and alerts, checked Oct 26, 2026.
Hours
Glacier National Park is open 24 hours a day 365 days of the year. An entrance fee is required, even when entrance stations are not staffed. Instructions are available at each entrance for self-payment.
Source: NPS API operating hours, checked Oct 26, 2026.
More on Glacier: tour or DIY overview. TourOrDIY is independent and not affiliated with the National Park Service. See the accuracy disclaimer and our method.