Katmai in December: Crowds, Weather & What to Pack
Harsh season · VisitWhen score 23/100 · #11 of 12 months
December is a harsh-season month at Katmai National Park: crowds run under 1% of the July peak (11 average visits). Weather: highs average 27°F and lows 12°F, with 2.1″ of precipitation and 6.4 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 Katmai in December
- Insulated parka + thermal base layersSee it on AmazonWhy: average lows of 12°F.
- Packable rain jacketSee it on AmazonWhy: 2.1″ of precipitation is normal this month.
- HeadlampSee it on AmazonWhy: only 6.4 hours of daylight in mid-December.
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Crowds in December
Katmai averages 11 recreation visits in December — under 1% of what July, the peak month, draws. Plan lodging and entries with that in mind — crowds are thin by this park's standards.
Weather & daylight
Expect cold conditions (highs average 27°F), and nights are frigid (lows average 12°F). Average precipitation is 2.1″ for the month. Mid-month daylight runs 6.4 hours.
NOAA 1991–2020 monthly normals, station KING SALMON 42 SE, AK US (39 mi from park coordinates, 661 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of December.
What to pack for Katmai in December
Computed from the month's weather normals above — not a generic list.
- Insulated parka + thermal base layers — average lows of 12°F
- Packable rain jacket — 2.1″ of precipitation is normal this month
- Headlamp — only 6.4 hours of daylight in mid-December (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 Katmai are May and June.
Also at their best in December
Other parks whose computed December verdict is a best window — same NPS × NOAA formula:
- American Samoa in December — 17% of peak crowds, highs 88°F, score 66/100
- Everglades in December — 72% of peak crowds, highs 80°F, score 64/100
- Biscayne in December — 77% of peak crowds, highs 80°F, score 62/100
Common questions
Is Katmai crowded in December?
No — December is one of the quieter months: under 1% of the July peak, averaging 11 visits (NPS, 2021–2025). See every month at Katmai.
What is the weather like in Katmai in December?
Average highs of 27°F, lows of 12°F, 2.1″ of precipitation (NOAA 1991–2020 normals, KING SALMON 42 SE, AK US station). Compare it with other national parks in December.
What should I pack for Katmai in December?
Insulated parka + thermal base layers; Packable rain jacket; Headlamp — the full weather-computed list is on this page. Going in January instead? Katmai in January has its own list.
Is everything open at Katmai in December?
Katmai is fly-in only; Brooks Camp visitor services operate June 1 – mid-September (peak bear viewing July and September). Always check the park's live NPS alerts for current conditions.
See also: the best national parks to visit in December · Last verified 2026-09-24
Also check in December
The nearest other parks that are not closed or rated Harsh in December, with the same NPS × NOAA verdict. Distance is a straight line.
- Olympic in December — Shoulder, score 51/100, about 1,480 mi away
- Redwood in December — Shoulder, score 58/100, about 1,780 mi away
- Yosemite in December — Shoulder, score 57/100, about 2,130 mi away
- Pinnacles in December — Shoulder, score 64/100, about 2,150 mi away