The Best National Parks to Visit in April — Ranked by Data
The best national parks to visit in April are Theodore Roosevelt, Badlands, Lake Clark — 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 April
| # | Park | Verdict | Score | Crowds vs peak | High/Low | Daylight |
|---|---|---|---|---|---|---|
| 1 | Theodore Roosevelt National Park | Best window | 92 | 7% | 56°F/30°F | 13.6h |
| 2 | Badlands National Park | Best window | 90 | 16% | 60°F/33°F | 13.4h |
| 3 | Lake Clark National Park | Best window | 89 | 0% | 46°F/31°F | 14.6h |
| 4 | Voyageurs National Park | Best window | 88 | 0% | 49°F/23°F | 13.7h |
| 5 | Wrangell–St. Elias National Park | Best window | 87 | 2% | 48°F/22°F | 14.7h |
| 6 | Black Canyon of the Gunnison National Park | Best window | 85 | 26% | 56°F/29°F | 13.2h |
| 7 | Great Sand Dunes National Park | Best window | 84 | 28% | 56°F/29°F | 13.2h |
| 8 | Wind Cave National Park | Best window | 84 | 32% | 58°F/31°F | 13.4h |
| 9 | Kenai Fjords National Park | Best window | 83 | 0% | 45°F/32°F | 14.5h |
| 10 | Great Basin National Park | Best window | 82 | 31% | 55°F/32°F | 13.2h |
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 April
At the other end of the ranking: Kobuk Valley (harsh conditions), Denali (headline access typically closed), Lassen Volcanic (headline access typically closed), Isle Royale (headline access typically closed), Glacier (headline access typically closed). Every park's page explains exactly why, with the underlying numbers.
All 63 parks in April
Last verified 2026-07-16