Late summer · Weather & things to do
Maine in August
Little changes in Maine from July: highs stay near 78°F (26°C), lows near 59°F (15°C), and about 4.3 in (108 mm) of rain falls.
It scores 76/100 for comfort, 4th of 12, which makes it a solid shoulder-season month.
- Avg high
- 78°F (26°C)
- Avg low
- 59°F (15°C)
- Rain
- 4.3 in (108 mm)
- Humidity
- 80%
- Cloud cover
- 54%
- Daylight
- ~13 h 51 min
- Comfort score
- 76/100 · Great
What August feels like
Days are warm, averaging 78°F (26°C).
After dark, temperatures fall to about 59°F (15°C).
With 80% average humidity, it feels muggy.
Some rain is likely, about 4.3 in (108 mm) in the month, so pack for a shower or two.
Plan around August
August is shoulder season: good weather, a step below the best months (September).
- Comfort holds steady from July (74 → 76/100).
- Our New England Fall Foliage route recommends Sep – Oct, so August falls outside its suggested window.
What to pack for August
- Light, breathable clotheshighs average 78°F
- Sunscreen, sunglasses and a hatstrong sun this month
- Quick-dry fabrics80% average humidity
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Maine in August
With conditions on your side, the picks below favor time outside.
Bar Harbor Shore Path
Free waterfront walk past old cottages and Frenchman Bay islands from the town pier.
Why now August scores 76/100 for comfort, good conditions for being outside.
Jordan Pond House
Popovers and tea on the lawn facing Jordan Pond and the Bubbles, a tradition since the 1890s.
Cadillac Mountain
Highest point on the Atlantic coast and one of the first U.S. spots to see sunrise in fall.
Why now Highs near 78°F and 4.3 in of monthly rain make this an easy outdoor pick.
Park Loop Road
27-mile road linking Acadia's lakes, cliffs and beaches, mostly one-way.
Why now One to do outside while the weather is on your side.
Atlantic Brewing Company
Bar Harbor brewery with a tasting room and Mainely Meat BBQ on site.
Nearby in August
- Portland, Maine in August~51 mi · highs 70°F, 3.7 in rain · 5°C (8°F) cooler by day, about as wet
- White Mountains in August~75 mi · highs 56°F, 4.4 in rain · 12°C (22°F) cooler by day, about as wet
- Portsmouth in August~99 mi · highs 74°F, 3.7 in rain · 2°C (4°F) cooler by day, about as wet
- New Hampshire in August~118 mi · highs 80°F, 3.9 in rain · 1°C (2°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Maine in August: quick answers
Is August a good time to visit Maine?
It's a good shoulder-season choice, scoring 76/100 against a best of 87 in September. Expect highs of 78°F (26°C) and 4.3 in (108 mm) of rain. Our New England Fall Foliage route recommends Sep – Oct, so August is outside its suggested window.
How hot is Maine in August?
Average highs are 78°F (26°C) and average lows 59°F (15°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Maine in August?
Some: about 4.3 in (108 mm) of rain falls across August on average, the 6th-wettest month of the year. The annual total is about 48.9 in (1241 mm).
What should I pack for Maine in August?
Bring light, breathable clothes (highs average 78°F), sunscreen, sunglasses and a hat (strong sun this month), quick-dry fabrics (80% average humidity), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Planning Maine in August?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.