Acadia National Park weather in October
October in Acadia National Park: cool, rainy, with clean air — a great time to visit.
#6 of 12 months in Acadia National Park · #285 of 604 destinations to visit in October · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Acadia National Park climate normals — October
| Daytime high | 13°C / 56°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 11°C / 52°F | |
| Rainfall | 111 mm / 4.4 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 9°C / 47°F | |
| Sunshine | 7 h/day | |
| Daylight | 11 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 32 | 🍃 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 October — FAQ
- Is October a good time to visit Acadia National Park?
- October in Acadia National Park: cool, rainy, with clean air — a great time to visit. It ranks #6 of 12 months for Acadia National Park on SeasonMap's comfort score (77/100).
- What is the weather like in Acadia National Park in October?
- In October, Acadia National Park averages a daily high of 13.4°C and a low of 9.4°C, with about 111.2 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Acadia National Park in October?
- Acadia National Park has a mean US Air Quality Index of about 32 in October.