Mid-spring · Weather & things to do
Portland, Maine in April
Portland, Maine warms up: highs climb to 46°F (8°C), from 38°F in March, with lows of 38°F (4°C) and about 4.8 in (121 mm) of rain.
Our comfort score puts it mid-table at 49/100, 8th of 12.
- Avg high
- 46°F (8°C)
- Avg low
- 38°F (4°C)
- Rain
- 4.8 in (121 mm)
- Humidity
- 83%
- Cloud cover
- 62%
- Daylight
- ~13 h 13 min
- Comfort score
- 49/100 · Fair
What April feels like
Afternoons only reach about 46°F (8°C), so plan on a warm jacket.
Lows average 38°F (4°C).
Expect regular rain: about 4.8 in (121 mm) falls in the month.
Plan around April
April sits mid-table; the best months are September.
- Comfort improves from 41/100 in March to 49/100.
- Our Boston to Portland route recommends May – Oct, so April falls outside its suggested window.
What to pack for April
- Insulated jackethighs only 46°F
- Rain jacket and waterproof shoes4.8 in of rain on average
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Portland, Maine in April
Weather can go either way, so the picks below mix open-air spots with indoor backups.
Duckfat
Small sandwich shop famous for fries cooked in duck fat.
Portland Head Light
Maine's oldest lighthouse (1791) on cliffs in Fort Williams Park.
Casco Bay Lines
Ferries to Peaks Island and the outer islands for a cheap harbor cruise.
Eastern Promenade
Hilltop park and trail with views over Casco Bay and its islands.
Eventide Oyster Co.
Oyster bar known for its brown-butter lobster roll on a steamed bun.
Nearby in April
- Portsmouth in April~48 mi · highs 49°F, 4.7 in rain · 2°C (3°F) warmer by day, about as wet
- Maine in April~51 mi · highs 52°F, 4.2 in rain · 3°C (6°F) warmer by day, about as wet
- White Mountains in April~67 mi · highs 31°F, 3.8 in rain or snow · 9°C (15°F) cooler by day, drier
- New Hampshire in April~73 mi · highs 56°F, 3.8 in rain · 5°C (10°F) warmer by day, drier
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.
Portland, Maine in April: quick answers
Is April a good time to visit Portland, Maine?
It's middling, scoring 49/100. The best months are September, at up to 87. Expect highs of 46°F (8°C) and 4.8 in (121 mm) of rain. Our Boston to Portland route recommends May – Oct, so April is outside its suggested window.
How cold is Portland, Maine in April?
Average highs are 46°F (8°C) and average lows 38°F (4°C), making it the 5th-coldest month by daytime highs.
Does it rain a lot in Portland, Maine in April?
Yes: about 4.8 in (121 mm) of rain falls across April on average, the 5th-wettest month of the year. The annual total is about 53.7 in (1363 mm).
What should I pack for Portland, Maine in April?
Bring insulated jacket (highs only 46°F), rain jacket and waterproof shoes (4.8 in of rain on average) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Portland, Maine
Planning Portland, Maine in April?
Share this April plan with your group, poll everyone on dates and keep the packing list in one place.