Haleakala National Park weather by month
The best time to visit Haleakala National Park, United States is June. Pick a month for full climate normals and a verdict.
- Januarycool, rainy, clean air84tier A
- Februarycool, rainy, clean air83tier A
- Marchcool, rainy, clean air82tier A
- Aprilcool, rainy, clean air84tier A
- Maycool, a little rain, clean air88tier A
- Junecool, a little rain, clean air89tier A
- Julycool, rainy, clean air87tier A
- Augustnice, a little rain, clean air87tier A
- Septembercool, a little rain, clean air87tier A
- Octobernice, a little rain, clean air88tier A
- Novembercool, a little rain, clean air86tier A
- Decembercool, rainy, clean air79tier B