Glacier Bay in March: Crowds, Weather & What to Pack
Harsh season · VisitWhen score 61/100 · #4 of 12 months
March is a harsh-season month at Glacier Bay National Park: crowds run under 1% of the July peak (243 average visits). Weather: highs average 40°F and lows 31°F, with 7.8″ of precipitation and 11.7 hours of daylight. Roads and services are only partly open this month — see the access note below. Computed from NPS and NOAA data.
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Bring for Glacier Bay in March
- Insulated jacket, beanie and glovesSee it on AmazonWhy: nights average 31°F, below freezing.
- Rain shell + pack coverSee it on AmazonWhy: 7.8″ of precipitation is normal this month.
- Traction devices (microspikes) and gaitersSee it on AmazonWhy: 20″ normal snowfall.
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Crowds in March
Glacier Bay averages 243 recreation visits in March — under 1% of what July, the peak month, draws. That crowd level sets the tone for parking, permits and lodging — crowds are thin by this park's standards.
Weather & daylight
It is properly cold (highs average 40°F), and nights drop below freezing (lows average 31°F). This is one of the wetter months (7.8″ of precipitation on average). Normal snowfall is 20″ — expect snow on the ground. Mid-month daylight runs 11.7 hours.
NOAA 1991–2020 monthly normals, station ELFIN COVE, AK US (42 mi from park coordinates, 20 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of March.
What to pack for Glacier Bay in March
Computed from the month's weather normals above — not a generic list.
- Insulated jacket, beanie and gloves — nights average 31°F, below freezing
- Rain shell + pack cover — 7.8″ of precipitation is normal this month
- Traction devices (microspikes) and gaiters — 20″ normal snowfall (compare other options)
- Insulated, waterproof boots — plus navigation and a basic first-aid kit — 20″ of snow is normal this month
- Bear spray — recommended by the park in grizzly country (check current park regulations before you carry)
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Want quieter or kinder conditions? The computed best months for Glacier Bay are April and May.
Also at their best in March
Other parks whose computed March verdict is a best window — same NPS × NOAA formula:
- Great Basin in March — 10% of peak crowds, highs 48°F, score 81/100
- Shenandoah in March — 23% of peak crowds, highs 55°F, score 78/100
- Wind Cave in March — 15% of peak crowds, highs 50°F, score 78/100
- Mesa Verde in March — 17% of peak crowds, highs 47°F, score 77/100
Common questions
Is Glacier Bay crowded in March?
No — March is one of the quieter months: under 1% of the July peak, averaging 243 visits (NPS, 2021–2025).
What is the weather like in Glacier Bay in March?
Average highs of 40°F, lows of 31°F, 7.8″ of precipitation (NOAA 1991–2020 normals, ELFIN COVE, AK US station).
What should I pack for Glacier Bay in March?
Insulated jacket, beanie and gloves; Rain shell + pack cover; Traction devices (microspikes) and gaiters — the full weather-computed list is on this page.
Is everything open at Glacier Bay in March?
Park waters are open year-round, but tour boats and most visitor services operate roughly late May–early September. Always check the park's live NPS alerts for current conditions.
See also: the best national parks to visit in March · Last verified 2026-09-24