Acadia National Park weather in July
July in Acadia National Park: nice, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Acadia National Park · #144 of 604 destinations to visit in July · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Acadia National Park climate normals — July
| Daytime high | 20°C / 68°F | 😎 nice |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 94 mm / 3.7 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 15.1 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Acadia National Park?
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Acadia National Park in July — FAQ
- Is July a good time to visit Acadia National Park?
- July in Acadia National Park: nice, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Acadia National Park on SeasonMap's comfort score (87/100).
- What is the weather like in Acadia National Park in July?
- In July, Acadia National Park averages a daily high of 20.1°C and a low of 16°C, with about 93.8 mm of rain over roughly 10.8 rainy days.
- What is the air quality in Acadia National Park in July?
- Acadia National Park has a mean US Air Quality Index of about 44 in July.