On this page
- Which are the best national parks in December, measured by winter visits?
- Which mountain roads are shut for the winter on 5 November 2026?
- What does a December visit to Zion, Great Smoky and Joshua Tree involve?
- Can a visitor stay at the Grand Canyon's South Rim in December 2026?
- Which are the best national parks in spring, and when do the flowers and falls peak?
- When do the alpine parks open, and which desert parks warn against summer?
- Which are the best national parks in fall, and when does the colour peak?
- Which month is the busiest and the quietest in twelve parks?
- What can the monthly visit counts say about a season, and what can they not?
- FAQ
The best national parks in December are the warm-desert and subtropical ones. Saguaro, Everglades, Joshua Tree, Big Bend, Death Valley and Hawaii Volcanoes took 27% to 35% of their 2025 visits in December to February, and NOAA puts their December and January daytime highs between 61°F and 78°F.
Our guide takes the national parks by season. We read the figures below on 5 November 2026 on the National Park Service's park pages, its monthly visit counts for 2025 and NOAA's 1991 to 2020 monthly normals. Every share is a period's recreation visits divided by the park's visits for the year, our own arithmetic on the Park Service's numbers. For a park-by-park view, see our map of the US national parks. For the whole country month by month, read our guide to the best time to visit the USA.
Which are the best national parks in December, measured by winter visits?
Six parks took 27% or more of their 2025 visits in December, January and February, the highest shares on the Park Service's counts, and they are our picks for the national parks in winter. Guadalupe Mountains and Dry Tortugas follow at 25.2%. The table gives each winter share, NOAA's average daytime highs and what the park says about access.
| Park | Dec to Feb share of 2025 visits | NOAA high, Dec / Jan | Access and the park's own words |
|---|---|---|---|
| Saguaro National Park | 35.0% | 65.5°F / 66.5°F (Tucson airport) | Winter days average 65°F and nights 40°F |
| Everglades National Park | 32.0% | 78.3°F / 76.3°F (Flamingo) | Open every day, holidays included |
| Joshua Tree National Park | 30.8% | 62.0°F / 63.3°F (Twentynine Palms) | Open 24 hours; spring and holidays are the busiest times |
| Big Bend National Park | 28.8% | 61.6°F / 60.8°F (Panther Junction) | Winter is mild and usually sunny, with freezing spells |
| Death Valley National Park | 27.9% | 65.6°F / 67.2°F (Furnace Creek) | Open 24 hours; winter and spring are "very pleasant" |
| Hawaii Volcanoes National Park | 27.1% | 68.2°F / 68.3°F (park headquarters) | Open 24 hours, holidays included; summit construction brings delays |
NOAA stations differ by park. The Everglades figure comes from Flamingo at the park's south end, and Saguaro's from Tucson airport.
Fees change the choice for a visitor from abroad. Everglades is one of the eleven parks on the $100 per person surcharge list, while Saguaro, Joshua Tree, Big Bend, Death Valley and Hawaii Volcanoes are not on it. Private vehicles pay $25 at Saguaro and $30 at the other four. Our guide to national park fees for international visitors shows when the $250 annual pass pays for itself.
Wet and dry months need care. The Everglades' own pages disagree on its dry season. Basic information says December through April, the dry-season page says November through April, and the hours page says November to March. Hawaii Volcanoes names no wet or dry season, but NOAA's headquarters station, at about 3,971 feet, records 11.37 inches of rain in an average December.
Which mountain roads are shut for the winter on 5 November 2026?
Six mountain parks showed a road closed for the season on Park Service pages read on 4 and 5 November 2026. A line marked "alert" is an alert's text as served on 5 November, and alerts carry no date.
| Park and road | Status | Source |
|---|---|---|
| Yosemite National Park: Tioga Road and Glacier Point Road | Tioga "temporarily closed due to snow"; Glacier Point Road closed | Conditions page, 4 November |
| Rocky Mountain National Park: Trail Ridge Road | Closed to through travel; the park's hours page says mid-October to late May | Alert |
| Glacier National Park: Going-to-the-Sun Road | Closed for the season at Avalanche Creek (west) and Jackson Glacier Overlook (east) | Alert |
| Crater Lake National Park: Rim Drive and North Entrance Road | Closed for the season | Conditions page, 4 November; alert for the North Entrance Road |
| Mount Rainier National Park: Sunrise Road and Stevens Canyon Road | Closed for the season | Road status page, 29 October |
| Lassen Volcanic National Park: park highway | Temporarily closed to through travel by snow and rockfall | Alert |
Glacier took 1.8% of its 2025 visits in December to February, Crater Lake 2.0%, Mount Rainier 3.8% and Lassen 4.3%. Where a winter visit still works, the order to follow is the lower road. Yosemite Valley and Wawona stay open by car all year, and the park says to carry tyre chains whatever the vehicle. Glacier's lower Going-to-the-Sun Road is open year-round, weather permitting, up to Lake McDonald Lodge.
At Crater Lake the West and South entrances and Highway 62 stay open. Mount Rainier's winter access is only through the Nisqually entrance, with chains required on all vehicles from 1 November to 1 May. The Longmire gate to Paradise has shut nightly since 29 October 2026.
What does a December visit to Zion, Great Smoky and Joshua Tree involve?
Great Smoky Mountains National Park had the busiest December among the 61 units we counted in 2025, with 714,902 visits. Joshua Tree followed with 325,708, Grand Canyon with 308,357 and Zion with 237,171, and Hawaii Volcanoes came fifth with 170,152.
Zion's shuttle does not run from 29 November to 25 December 2026, on the park's page dated 4 October. It runs again from 26 December to 2 January, with the first bus at 8:00 a.m. and the last bus up the canyon at 4:30 p.m. The park's hours page ties shuttle-only access on the Scenic Drive to the weeks when the shuttle operates. Read our Zion National Park guide before planning a car-based day. Zion is on the surcharge list, and a private vehicle costs $35.
December is one of Joshua Tree's three busiest months. March took 14.0% of its 2025 visits, April 11.6% and December 11.1%. Great Smoky Mountains National Park charges no entrance fee, only a parking tag of $5 a day. In Acadia, December is quiet at 0.3% of the year's visits. The Park Loop Road closes on 1 December. An alert says Cadillac Summit Road is shut to all users on 1 to 18 December. Yosemite warns of heavy traffic and limited parking over the winter holidays.
Few parks publish holiday hours. These are the ones whose pages we read on 5 November 2026 that do:
| Park | Holiday hours on the park's page |
|---|---|
| Great Smoky Mountains | Visitor centres open year-round except Christmas Day |
| Mount Rainier | Paradise visitor centre open weekends and holidays only from 29 October to January, including 25 December |
| Crater Lake | Steel Information Center open 10:00 a.m. to 4:00 p.m. daily except 25 December |
| Lassen | Kohm Yah-mah-nee Visitor Center open Friday to Sunday and holidays, except Thanksgiving and Christmas Day |
| New River Gorge | Visitor centres open 9:00 a.m. to 5:00 p.m., except Thanksgiving, Christmas and New Year's Day |
| Everglades and Hawaii Volcanoes | Open every day including all holidays |
For any other park, ask before you travel: a page with no holiday wording does not tell you the centre is open.
Can a visitor stay at the Grand Canyon's South Rim in December 2026?
The South Rim of Grand Canyon National Park is open for day use, but overnight hotel accommodation is suspended, on Park Service pages dated 4 November 2026. Those pages put the park under Stage 4 water restrictions, with Mather Campground open for dry camping only and Trailer Village closed until further notice. None of them gives a date when hotel stays resume, so do not book around one.
The South Entrance and East Entrance stay open all year, 24 hours a day, and December is still busy at 308,357 visits. After a flash flood on 29 August, the North Kaibab Trail and Phantom Ranch are closed, and the park gives no estimated reopening. The North Rim is open until 30 November 2026 or the first major snowstorm, with no water, fuel or lodging there.
Which are the best national parks in spring, and when do the flowers and falls peak?
Spring suits the same desert parks as winter. Big Bend, Saguaro, Joshua Tree and Death Valley took 30.0% to 37.4% of their 2025 visits in March to May. Blooms and snowmelt run on dates the parks give in their own terms.
| Park | What the park says | Visits in 2025 |
|---|---|---|
| Yosemite | Yosemite Falls flows from about November through July, with peak flow in May | May: 454,491 |
| Saguaro | Wildflower blooms are often best in mid to late March; the saguaro flowers come from late April through June | March: 132,921, the busiest month |
| Great Smoky Mountains | Spring ephemerals emerge from February through April | March: 845,724; April: 986,442 |
| Death Valley | Wildflowers at lower elevations from mid-February to mid-April, if rain allows | March: 144,755; April: 146,003 |
| Big Bend | Spring is warm and pleasant, and the park's busiest season | March: 106,911, the busiest month |
Death Valley's bloom depends on rain and is not guaranteed, the park says. Yosemite's waterfalls page puts peak runoff in May or June, and the Yosemite Falls dates above come from the same page. Our Yosemite National Park guide covers the valley in detail.
When do the alpine parks open, and which desert parks warn against summer?
Glacier, Mount Rainier and Crater Lake took 65.7% to 69.9% of their 2025 visits in June to August. Those are the months when their high roads and facilities open, on the dates each park's pages give.
| Park | When the park says it opens | Jun to Aug share of 2025 visits |
|---|---|---|
| Glacier | Logan Pass is not reachable by vehicle until late June or early July | 65.7% |
| Crater Lake | Rim Drive and North Entrance Road reopen mid-June or early July, depending on snow | 69.9% |
| Mount Rainier | Sunrise visitor centre is generally open July to mid-September | 67.9% |
| Lassen | Highway closes in autumn; clearing can begin as early as mid-March and takes about two months | 60.5% |
| Yosemite | Tioga Road is typically open from late May or June until some time in November; in 2026 it opened on 15 May | 42.0% |
| Rocky Mountain | Trail Ridge Road is closed to through travel from mid-October to late May | 49.4% |
The desert parks say the opposite about the same months. The table gives each park's own words, with NOAA's average July high beside them.
| Park | What the park says about summer | NOAA July high |
|---|---|---|
| Death Valley | Summer temperatures often top 120°F in the shade | 117.4°F (Furnace Creek) |
| Saguaro | Above a daily high of 110°F, do not attempt to hike | 100.2°F (Tucson airport) |
| Big Bend | May through August are the hottest months | 92.0°F (Panther Junction) |
| Joshua Tree | Extreme heat poses a very serious safety risk | 104.0°F (Twentynine Palms) |
The Panther Junction station sits at 3,740 feet, and the park says the desert floor is usually well above 100°F by late morning. In the Grand Canyon, inner-canyon temperatures can exceed 110°F, and the park tells hikers to avoid the hours from 10 a.m. to 4 p.m. The Everglades' wet season brings humidity over 90% and a heat index over 100°F.
Which are the best national parks in fall, and when does the colour peak?
Our picks for the best national parks in fall, for colour, are Acadia, Great Smoky, Shenandoah and New River Gorge, and the parks date it differently. Acadia's peak is usually mid-October. Great Smoky's runs from early October on the heights to early November below 4,000 feet, and Shenandoah's cannot be called in advance.
| Park | The park's own words on colour | Visits in October 2025 |
|---|---|---|
| Acadia National Park | Peak is usually mid-October, anywhere from the first to the third week | 599,253; August was busiest at 844,268 |
| Great Smoky Mountains National Park | Above 4,000 feet in early to mid-October; below 4,000 feet from mid-October to early November | 1,561,683, the busiest month |
| Shenandoah National Park | A peak time is impossible to predict | 329,565, the busiest month |
| New River Gorge National Park | Grandview's fall colour adds to the panorama in October; no dated peak | 268,526 |
Newfound Gap Road in Great Smoky Mountains National Park on 27 October 2023, in the window the park gives for colour below 4,000 feet.
The colour ends before the roads and facilities do. Acadia's Park Loop Road closes on 1 December, and most Shenandoah facilities close by late November. An alert says New River Gorge's Cunard and Glade Creek roads close from November through March.
Which month is the busiest and the quietest in twelve parks?
In 2025 the twelve parks below were busiest in March for four of them, July for three, May for two, and April, August and October for one each. The year is 2025 in every row, and a different year would move some of these.
| Park | Busiest month, 2025 (share of the year) | Quietest month, 2025 (share) |
|---|---|---|
| Yellowstone | July (20.5%) | November (0.6%) |
| Acadia | August (20.7%) | December, January and February (0.3% each) |
| Great Smoky Mountains | October (13.5%) | January (2.4%) |
| Zion | May (11.8%) | January (3.0%) |
| Grand Canyon | May (11.5%) | January (4.3%) |
| Yosemite | July (14.4%) | February (2.8%) |
| Glacier | July (24.4%) | February (0.5%) |
| Joshua Tree | March (14.0%) | July (4.8%) |
| Death Valley | April (11.1%) | June (5.8%) |
| Saguaro | March (15.7%) | August (3.7%) |
| Everglades | March (12.7%) | October (2.4%) |
| Big Bend | March (18.8%) | August (3.5%) |
What can the monthly visit counts say about a season, and what can they not?
The counts say when people came in 2025, and they do not say what was open or what the weather was. They are recreation visits from the Park Service's monthly figures. For ten parks the twelve months add up exactly to the totals in its release of 13 March 2026.
One trap is a zero. Carlsbad Caverns and Petrified Forest show 0 visits in October 2025. The same release says the Park Service kept parks open through a 43-day partial government shutdown. A zero month is not a closure, and October is not the quietest month at either park. Great Smoky's October, its busiest month, shows the shutdown did not empty every park's count.
A single year is also a thin base. Our Zion National Park guide uses a 2019 to 2023 average, which is why its busiest months can differ from the 2025 table above. Pick the base before you compare two numbers.