Bar Harbor Weather in June

The climate in Bar Harbor during June can be summarized as mild and a little damp.

June is in the summer in Bar Harbor and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 11°C (52°F) is normal.

On average June is the 3rd driest month of the year in Bar Harbor with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 8 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Bar Harbor in June 2025.