Haleakala National Park in August
In August, Haleakala National Park averages a high of 66°F and a low of 49°F, with 2.2 inches of precipitation (rain plus melted snow). About 55,000 people visit, the quietest month. Days are 12 hours 50 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 66° / 49°F
- Precipitation
- 2.2in
- Snow
- 0in
- Daylight
- 12h 50m
- Visitors
- 55,000
- Crowds
- Busy
August is one of the best months to visit: mild weather with busy crowds.
Higher or lower in the park, expect a different picture: Ohe'o 258.6, HI at 86 ft averages a August high of 83°F and a low of 73°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 August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Hawai'i Volcanoes National Park | 74° / 56° | Very busy | Mild |
| Pearl Harbor National Memorial | 89° / 76° | Very busy | Hot |
| Point Reyes National Seashore | 63° / 52° | Very busy | Mild |
| Golden Gate National Recreation Area | 83° / 54° | Very busy | Hot |
| Fort Point National Historic Site | 68° / 56° | Very busy | Mild |
Closures, reservations and alerts: Haleakala National Park on nps.gov
All twelve months at Haleakala · National parks to visit in August