Southwest Harbor
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Southwest Harbor Weather in April

With daytime temperatures of 11°C (52°F) and nighttime lows of 2°C (36°F), April in Southwest Harbor brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 106 mm (4.2 in) falls on average.

Rainfall in Southwest Harbor in April

Typically, about 13 days will experience rainfall, with an average of 106 mm (4.2 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Southwest Harbor in April

In April, Southwest Harbor gets low temperatures, with highs of 11°C (52°F). Nights cool to around 2°C (36°F). It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

If you prefer dry days with pleasant temperatures, April may not be the ideal month to visit Southwest Harbor. Our weather planner can help you explore destinations with more pleasant weather conditions.

Southwest Harbor Temperature in April

Min Temperature
2°C (36°F)
Max Temperature
11°C (52°F)
Chance of Rain
43%
Precipitation
106 mm (4.2 in)
Rainy days
13 days

Southwest Harbor Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Southwest Harbor - and find the best time to visit.

Best Places in the United States of America in April

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 April →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Southwest Harbor in April

The weather can be unpredictable in April, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Southwest Harbor in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    5/10
  • Walking
    5/10
  • Barbeque
    2/10
  • Camping
    3/10
  • Outdoor sports
    5/10

Southwest Harbor 3-Day Forecast

More climate data for Southwest Harbor

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.