How Crowded Is Haleakalā in January?
January is an average month at Haleakalā National Park, running about 0.9× the park's average month — roughly 8% of the year's visitors come in January. That puts it between the July peak and the November low. Overall our best-time score rates January as "Fair" for a visit. Typical January weather averages a high near 61°F and a low around 44°F, with about 5.1" of precipitation. You'll get about 10.9 hours of daylight to explore.
Frequently Asked Questions
January is average at Haleakalā National Park (about 0.9× the average month). Our best-time score rates it "Fair". The single best month overall is September.
The busiest month is July and the quietest is November. January sits at about 0.9× the park's average, or 8% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.