Bar Harbor (Acadia) weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Excellent
Best time to visit: June – September
What is the weather like in Bar Harbor (Acadia) in July?
In July, Bar Harbor (Acadia) is mild: daytime highs average 20 °C, and nights cool down to about 16 °C. The sea averages 11.8 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 72 mm in total. All in all, July is an excellent month for a holiday in Bar Harbor (Acadia).
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 15 h 14 min05:02 – 20:16
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 62 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %73 %
- Few rainy daysweight 30 %61 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in July
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Bar Harbor (Acadia) in July: quick answers
Is Bar Harbor (Acadia) hot in July?
No. In July, Bar Harbor (Acadia) is mild: daytime highs average 20 °C and nights drop to about 16 °C.
Can you swim in Bar Harbor (Acadia) in July?
Only if you don't mind cold water: in July the sea averages just 11.8 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Bar Harbor (Acadia) in July?
Rain is frequent, with about 10 rainy days and 72 mm in total.
Bar Harbor (Acadia) month by month
The whole year in Bar Harbor (Acadia)All destinations: USAWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences