Best Time to Visit Glacier Bay National Park
The best months to visit Glacier Bay National Park are April, May, June — computed from official NPS visitation (2021–2025 average), NOAA weather normals and daylight. July is the crowd peak (117,153 monthly visits); February is quietest at 0% of peak.
- Upcoming Power Outages in Bartlett Cove (Information)
Monthly crowd curve
Average monthly recreation visits, 2021–2025 (NPS Visitor Use Statistics). Amber bar = current month.
Glacier Bay month by month
| Month | Verdict | Avg visits | % of peak | High / Low | Precip | Daylight |
|---|---|---|---|---|---|---|
| January | Harsh season | 228 | 0% | 36°F / 29°F | 10.5″ | 7h |
| February | Harsh season | 173 | 0% | 38°F / 30°F | 8.0″ | 9.3h |
| March | Harsh season | 243 | 0% | 40°F / 31°F | 7.8″ | 11.7h |
| April | Best window | 7,505 | 6% | 46°F / 35°F | 5.8″ | 14.4h |
| May | Best window | 82,478 | 70% | 52°F / 41°F | 4.7″ | 16.8h |
| June | Best window | 107,978 | 92% | 56°F / 46°F | 3.6″ | 18.4h |
| July | Peak crowds | 117,153 | 100% | 58°F / 49°F | 4.9″ | 17.7h |
| August | Peak crowds | 114,531 | 98% | 59°F / 50°F | 7.9″ | 15.5h |
| September | Peak crowds | 88,442 | 75% | 56°F / 47°F | 12.2″ | 12.9h |
| October | Shoulder | 43,949 | 38% | 48°F / 40°F | 14.5″ | 10.3h |
| November | Harsh season | 213 | 0% | 40°F / 34°F | 12.3″ | 7.8h |
| December | Harsh season | 210 | 0% | 37°F / 31°F | 11.8″ | 6.3h |
Crowds: NPS Visitor Use Statistics, mean of 2021–2025 (2020 excluded as a COVID-19 anomaly). Weather: NOAA 1991–2020 monthly normals, station ELFIN COVE, AK US (42 mi from park coordinates). Daylight: computed for the 15th of each month at the park's location. Methodology.
What to pack for Glacier Bay in April
Computed from April's weather normals — Glacier Bay's best month above. Visiting another month? Each month page has its own weather-computed list.
- Warm mid-layer (fleece or light puffy) — mornings average 35°F
- Rain shell + pack cover — 5.8″ of precipitation is normal this month
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
- Bear spray — recommended by the park in grizzly country (check current park regulations before you carry)
As an Amazon Associate, VisitWhen earns from qualifying purchases. Gear names above link to Amazon searches — we don't show or set prices; you always see Amazon's current price.
📦 Packing for a trip with a date on it? Amazon Prime's free 30-day trial includes fast free delivery, so gear ordered this week arrives before you leave — and returns are free if a layer doesn't fit. Start the free 30-day trial →
Affiliate link — we may earn a commission on qualifying sign-ups, at no extra cost to you. Current terms are on Amazon's page.
Common questions
What is the best month to visit Glacier Bay?
April, May, June rank best for Glacier Bay 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 Bay?
July: an average of 117,153 recreation visits (NPS, 2021–2025). The quietest is February, at 0% of the July peak.
How many people visit Glacier Bay per year?
Glacier Bay National Park averaged 563,103 recreation visits per year over 2021–2025, per official NPS Visitor Use Statistics.
Dive into a month
Last verified 2026-09-12 · all parks