Haleakalā in April: Crowds, Weather & What to Pack
Best window · VisitWhen score 62/100 · #3 of 12 months
April is one of the best months of the year to visit Haleakalā National Park: crowds run 88% of the July peak (71,936 average visits), days average 61°F with 12.6 hours of daylight. Computed from NPS and NOAA data.
Crowds in April
Haleakalā averages 71,936 recreation visits in April — 88% of what July, the peak month, draws. Plan lodging and entries with that in mind — book early and start days at dawn.
Weather & daylight
Daytime temperatures are comfortable (highs average 61°F), and mornings are chilly (lows average 44°F). Average precipitation is 2.8″ for the month. Mid-month daylight runs 12.6 hours.
NOAA 1991–2020 monthly normals, station HALEAKALA RS 338, HI US (7 mi from park coordinates, 6,962 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of April.
What to pack for Haleakalā in April
Computed from the month's weather normals above — not a generic list.
- Warm mid-layer (fleece or light puffy) — mornings average 44°F
- Packable rain jacket — 2.8″ of precipitation is normal this month
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
Common questions
Is Haleakalā crowded in April?
Yes — April runs 88% of Haleakalā's peak, averaging 71,936 recreation visits (NPS, 2021–2025).
What is the weather like in Haleakalā in April?
Average highs of 61°F, lows of 44°F, 2.8″ of precipitation (NOAA 1991–2020 normals, HALEAKALA RS 338, HI US station).
What should I pack for Haleakalā in April?
Warm mid-layer (fleece or light puffy); Packable rain jacket; Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page.
See also: the best national parks to visit in April · Last verified 2026-07-16