December puts 1 national park in shoulder season: open, past or before the peak, and quieter for it. 5 others are at full tilt. Here’s the whole picture, ranked from five years of National Park Service visitor counts.
All 63 parks, by month
December is the 10th busiest month of the year.
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Crowd index by month: Jan 21, Feb 24, Mar 39, Apr 45, May 65, Jun 87, Jul 100, Aug 88, Sep 75, Oct 62, Nov 35, Dec 28.
≈ 3,859,268 visits in December, all parks combined · 2021–2025 average
Everglades averages 74,833 visits in December, 72% of its February peak. Crowds are building: 58% in November, 99% in January.
The % badge is December’s visitors as a share of the park’s busiest month.
Shoulder season · 1 park
Our December picks, quietest first
Each park in a month that borders its busy season, ranked by how far below its own peak it runs. Open for business, without the crush. Parks right at the start or end of their season come last.
Everglades averages 74,833 visits in December, 72% of its February peak. Crowds are building: 58% in November, 99% in January.
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Crowd index by month: Jan 99, Feb 100, Mar 99, Apr 86, May 67, Jun 67, Jul 68, Aug 59, Sep 42, Oct 37, Nov 58, Dec 72.December 2025: 70,926
Low season · 17 parks
Quiet in December, often for a reason
These parks still draw at least 30% of their peak, but the month sits away from their busy season. Low season can mean heat, cold, rain or partial closures, so check the park's nps.gov page before planning around it.
Channel Islands averages 16,622 visits in December, 46% of its July peak. Crowds are thinning: 64% in November, 35% in January. No road in: you arrive by boat or plane, per NPS.
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Crowd index by month: Jan 35, Feb 46, Mar 60, Apr 69, May 72, Jun 89, Jul 100, Aug 85, Sep 77, Oct 71, Nov 64, Dec 46.December 2025: 14,081
Kobuk Valley averages 1,355 visits in December, 75% of its July peak. November runs 72% and January 49%. 2025 reported just 46 visits this month (usually about 1,702), kept as reported. No road in: you arrive by boat or plane, per NPS.
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Crowd index by month: Jan 49, Feb 32, Mar 39, Apr 37, May 38, Jun 77, Jul 100, Aug 93, Sep 84, Oct 91, Nov 72, Dec 75.December 2025: 46
These parks average almost no recreation visits in December. That usually means a seasonal closure or no way in, but it’s our inference from the numbers, not an NPS notice. Check before you go:
Every number here is National Park Service recreation visits, averaged by calendar month over 2021–2025. A park’s crowd index compares each month with its own busiest month (100). Peak season is 80 or above; shoulder months border the peak and still reach 30. We rank shoulder months quietest first.
We don’t score weather, and a quiet month can be quiet because of it. The crowd calendar has the full method and every park’s twelve months side by side; each park page links to its nps.gov conditions.
December 2025 at a glance
The small figure on each row is the park’s actual December 2025 count from NPS Visitor Use Statistics. Unusual months are kept as reported and flagged in the text.
What are the best national parks to visit in December?
For fewer crowds without the off-season, look at the parks in shoulder season in December: Everglades. They're ranked quietest first on this page, from NPS visitor counts for 2021–2025.
Which national parks are busiest in December?
5 parks are in peak season in December, led by Hawaiʻi Volcanoes, Haleakalā, Virgin Islands and Dry Tortugas. For Hawaiʻi Volcanoes, December is the busiest month of the year.
Which national parks are closed in December?
We can't say for certain from visitor counts, but Gates of the Arctic, Glacier Bay, Isle Royale, Katmai, Kenai Fjords, Lake Clark, North Cascades and Wrangell–St. Elias average almost no visits in December, which usually means a seasonal closure or no way in. Check each park's nps.gov page.
Is December a busy month in the national parks?
Across all 63 parks combined, December averages about 3,859,268 recreation visits, the 10th busiest month of the year (2021–2025 average).
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