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 0% of the July peak (11 average visits), days average 27°F with 6.4 hours of daylight. Computed from NPS and NOAA data.

Access warning: Katmai is fly-in only; Brooks Camp visitor services operate June 1 – mid-September (peak bear viewing July and September). That typically affects December — verify before planning. Current NPS conditions →

Crowds in December

Katmai averages 11 recreation visits in December — 0% of what July, the peak month, draws. Plan lodging and entries with that in mind — this is genuine quiet-season territory.

Average visits (December)

11 (mean 2021–2025, NPS)

Share of the year

0% of annual visitation

vs. peak (July)

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
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)

Looking for a better window? The computed best months for Katmai are May and June.

Common questions

Is Katmai crowded in December?

No — December is one of the quieter months: 0% of the July peak, averaging 11 visits (NPS, 2021–2025).

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).

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.

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 2026-07-16