Bar Harbor Weather in June
June in Bar Harbor sees daytime temperatures around 21°C (70°F) and lows of 12°C (54°F) at night. With around 146 mm (5.7 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Bar Harbor in June
On average, there are about 13 days with rain during this month, averaging 146 mm (5.7 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Bar Harbor in June
If you're visiting Bar Harbor in June, expect highs of 21°C (70°F) and overnight lows around 12°C (54°F). Summer occurs in June. Conditions are often most pleasant around the middle of the day. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Bar Harbor's climate page.
Bar Harbor Temperature in June
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Bar Harbor typically rise from around 19°C (66°F) at the start of June to approximately 23°C (73°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 14°C (57°F).
Average temperatures in June
Historical weather for Bar Harbor in June
Browse day-by-day weather records for Bar Harbor spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bar Harbor historical weather extremes in June
According to our 29 years of weather records for Bar Harbor, the following extremes were recorded between 1996 and 2025.
- Bar Harbor recorded its highest June temperature of 34°C (93°F) on June 15, 2001.
- The coldest June day was on June 2, 2004, with a maximum of 8°C (46°F).
- Nighttime temperatures dropped to 2°C (36°F) on June 8, 2002, marking the coldest June night on record.
Best Places in the United States of America in June
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in June →
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What to Wear in Bar Harbor in June
Pleasant temperatures in June mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Bar Harbor in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Bar Harbor's climate page.
See the full Bar Harbor climate overview or explore weather in the United States of America.