Best Time to Visit Haleakalā National Park
The best months to visit Haleakalā National Park are April, August, September — computed from official NPS visitation (2021–2025 average), NOAA weather normals and daylight. July is the crowd peak (81,811 monthly visits); February is quietest at 74% of peak.
Monthly crowd curve
Average monthly recreation visits, 2021–2025 (NPS Visitor Use Statistics). Amber bar = current month.
Haleakalā month by month
| Month | Verdict | Avg visits | % of peak | High / Low | Precip | Daylight |
|---|---|---|---|---|---|---|
| January | Peak crowds | 62,432 | 76% | 61°F / 44°F | 5.1″ | 11h |
| February | Peak crowds | 60,634 | 74% | 60°F / 43°F | 4.1″ | 11.5h |
| March | Peak crowds | 71,636 | 88% | 60°F / 43°F | 5.7″ | 12h |
| April | Best window | 71,936 | 88% | 61°F / 44°F | 2.8″ | 12.6h |
| May | Peak crowds | 79,332 | 97% | 63°F / 46°F | 2.4″ | 13.1h |
| June | Peak crowds | 81,392 | 99% | 66°F / 48°F | 1.6″ | 13.4h |
| July | Peak crowds | 81,811 | 100% | 66°F / 49°F | 2.7″ | 13.3h |
| August | Best window | 70,083 | 86% | 66°F / 49°F | 2.2″ | 12.9h |
| September | Best window | 69,572 | 85% | 65°F / 48°F | 2.5″ | 12.3h |
| October | Peak crowds | 70,749 | 86% | 64°F / 48°F | 3.3″ | 11.7h |
| November | Peak crowds | 67,163 | 82% | 63°F / 47°F | 4.6″ | 11.2h |
| December | Peak crowds | 76,915 | 94% | 61°F / 45°F | 5.3″ | 10.9h |
Crowds: NPS Visitor Use Statistics, mean of 2021–2025 (2020 excluded as a COVID-19 anomaly). Weather: NOAA 1991–2020 monthly normals, station HALEAKALA RS 338, HI US (7 mi from park coordinates). Daylight: computed for the 15th of each month at the park's location. Methodology.
Common questions
What is the best month to visit Haleakalā?
April, August, September rank best for Haleakalā on VisitWhen's computed score — the strongest balance of low crowds (NPS data), comfortable weather (NOAA normals) and daylight.
What is the most crowded month at Haleakalā?
July: an average of 81,811 recreation visits (NPS, 2021–2025). The quietest is February, at 74% of the July peak.
How many people visit Haleakalā per year?
Haleakalā National Park averaged 863,655 recreation visits per year over 2021–2025, per official NPS Visitor Use Statistics.
Dive into a month
Last verified 2026-07-16 · all parks