Glacier in January: Crowds, Weather & What to Pack
Shoulder · VisitWhen score 31/100 · #11 of 12 months
January is a quiet month with trade-offs at Glacier National Park: crowds run 2% of the July peak (17,992 average visits). Weather: highs average 32°F and lows 15°F, with 2.1″ of precipitation and 8.7 hours of daylight. Headline access is typically closed this month — see the access warning below. Computed from NPS and NOAA data.
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Bring for Glacier in January
- Insulated parka + thermal base layersSee it on AmazonWhy: average lows of 15°F.
- Packable rain jacketSee it on AmazonWhy: 2.1″ of precipitation is normal this month.
- HeadlampSee it on AmazonWhy: only 8.7 hours of daylight in mid-January.
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Crowds in January
Glacier averages 17,992 recreation visits in January — 2% of what July, the peak month, draws — the second-quietest month of the year. Plan lodging and entries with that in mind — crowds are thin by this park's standards.
Weather & daylight
Expect cold conditions (highs average 32°F), and nights are frigid (lows average 15°F). Average precipitation is 2.1″ for the month. Mid-month daylight runs 8.7 hours.
NOAA 1991–2020 monthly normals, station ST. MARY 1 SSW, MT US (17 mi from park coordinates, 4,555 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of January.
What to pack for Glacier in January
Computed from the month's weather normals above — not a generic list.
- Insulated parka + thermal base layers — average lows of 15°F
- Packable rain jacket — 2.1″ of precipitation is normal this month
- Headlamp — only 8.7 hours of daylight in mid-January (compare other options)
- 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)
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Looking for a better window? The computed best months for Glacier are June and September.
Also at their best in January
Other parks whose computed January verdict is a best window — same NPS × NOAA formula:
- Channel Islands in January — 35% of peak crowds, highs 66°F, score 76/100
- Zion in January — 23% of peak crowds, highs 54°F, score 76/100
- Carlsbad Caverns in January — 38% of peak crowds, highs 56°F, score 73/100
- Big Bend in January — 50% of peak crowds, highs 69°F, score 71/100
Common questions
Is Glacier crowded in January?
No — January is one of the quieter months: 2% of the July peak, averaging 17,992 visits (NPS, 2021–2025).
What is the weather like in Glacier in January?
Average highs of 32°F, lows of 15°F, 2.1″ of precipitation (NOAA 1991–2020 normals, ST. MARY 1 SSW, MT US station).
What should I pack for Glacier in January?
Insulated parka + thermal base layers; Packable rain jacket; Headlamp — the full weather-computed list is on this page.
Is everything open at Glacier in January?
Going-to-the-Sun Road's alpine section typically opens fully late June–early July and closes in mid-October; lower valleys stay accessible year-round. Always check the park's live NPS alerts for current conditions.
See also: the best national parks to visit in January · Last verified 2026-09-24