The Best National Parks to Visit in March — Ranked by Data
The best national parks to visit in March are Great Basin, Badlands and Shenandoah — ranked by a fixed formula over official NPS crowd data (2021–2025), NOAA weather normals and daylight, with seasonal closures counted against inaccessible parks.
Top 10 for March
| # | Park | Verdict | Score | Crowds vs peak | High/Low | Daylight |
|---|---|---|---|---|---|---|
| 1 | Great Basin National Park | Best window | 81 | 10% | 48°F/27°F | 11.9h |
| 2 | Badlands National Park | Shoulder | 80 | 10% | 50°F/22°F | 11.9h |
| 3 | Shenandoah National Park | Best window | 78 | 23% | 55°F/32°F | 11.9h |
| 4 | Wind Cave National Park | Best window | 78 | 15% | 50°F/24°F | 11.9h |
| 5 | Mesa Verde National Park | Best window | 77 | 17% | 47°F/30°F | 11.9h |
| 6 | Black Canyon of the Gunnison National Park | Best window | 76 | 19% | 49°F/23°F | 11.9h |
| 7 | Capitol Reef National Park | Best window | 76 | 44% | 57°F/34°F | 11.9h |
| 8 | Gateway Arch National Park | Shoulder | 76 | 35% | 56°F/36°F | 11.9h |
| 9 | Great Sand Dunes National Park | Best window | 75 | 21% | 49°F/24°F | 11.9h |
| 10 | Theodore Roosevelt National Park | Shoulder | 74 | 6% | 44°F/18°F | 11.8h |
Score = 45% weather comfort (NOAA 1991–2020 normals) + 35% quietness (NPS visitation 2021–2025) + 20% daylight, with penalties where headline access is typically closed. Identical formula for every park. Methodology.
Think twice in March
At the other end of the ranking: Denali (harsh conditions), Yellowstone (headline access typically closed), Katmai (headline access typically closed), Kobuk Valley (harsh conditions), Lassen Volcanic (headline access typically closed). Every park's page explains exactly why, with the underlying numbers.
Common questions about March
What is the best national park to visit in March?
Great Basin National Park scores highest for March (81/100): crowds at 10% of its peak, average highs of 48°F and 11.9 hours of daylight. Badlands and Shenandoah come next.
Which national parks are least crowded in March?
Compared with each park's own busiest month, the quietest in March are Kenai Fjords (under 1% of peak), Lake Clark (under 1% of peak) and Theodore Roosevelt (6% of peak). This leaves out parks in their harsh season or with main access typically closed.
Which national parks are warm in March?
The warmest by average high are American Samoa (88°F), Virgin Islands (85°F) and Everglades (83°F), from NOAA 1991–2020 normals at each park's nearest weather station.
Which national parks are best avoided in March?
Denali (harsh conditions), Yellowstone (main access typically closed), Katmai (main access typically closed), Kobuk Valley (harsh conditions) and Lassen Volcanic (main access typically closed) sit at the bottom of the March ranking. Each park's March page shows the numbers behind that.
How are the parks ranked?
Each park gets a score out of 100 for March: 45% weather comfort (NOAA 1991–2020 normals), 35% quietness (NPS visits, 2021–2025 average) and 20% daylight. Parks whose main access is typically closed lose points and are never marked as a best month. The same formula is used for every park.
All 63 parks in March
No parks match.
Last verified 2026-09-24
Plan your gear after choosing a park
Check the park's weather and trail conditions before choosing sizes or equipment. These options are starting points for comparison; none is required for every visit.
As an Amazon Associate, VisitWhen earns from qualifying purchases, at no extra cost to you.
- Black Diamond Storm 550 headlampSee price on AmazonView on Amazon
A rechargeable light to consider if your plans include walking after dark. Check battery runtime and carry an appropriate backup.
- Compare hiking footwear on Amazon
Choose for your terrain, fit and intended distance; check sizes and return terms.
- Compare packable rain jackets on Amazon
Compare fit, weather protection and packed size with the conditions on your park page.