Haleakala National Park in October
In October, Haleakala National Park averages a high of 64°F and a low of 48°F, with 3.3 inches of precipitation (rain plus melted snow). About 61,000 people visit, the 9th busiest of 12 (very busy). Days are 11 hours 38 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 64° / 48°F
- Precipitation
- 3.3in
- Snow
- 0in
- Daylight
- 11h 38m
- Visitors
- 61,000
- Crowds
- Very busy
Best months for weather and crowds instead: April (very busy), August (busy) and September (busy).
Higher or lower in the park, expect a different picture: Ohe'o 258.6, HI at 86 ft averages a October high of 83°F and a low of 72°F.
Weather 1991–2020 averages at Haleakala RS 338, HI, 8.5 miles from the park's center, 6,962 ft. Second station lower down: Ohe'o 258.6, HI, 86 ft, 6.3 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in October
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Hawai'i Volcanoes National Park | 72° / 55° | Busy | Mild, wet |
| Pearl Harbor National Memorial | 87° / 74° | Busy | Hot |
| Point Reyes National Seashore | 62° / 49° | Very busy | Mild |
| Golden Gate National Recreation Area | 76° / 50° | Busy | Mild |
| Fort Point National Historic Site | 70° / 54° | Very busy | Mild |
Closures, reservations and alerts: Haleakala National Park on nps.gov
All twelve months at Haleakala · National parks to visit in October