Southwest Harbor Weather in March
March in Southwest Harbor brings low temperatures, with highs of 5°C (41°F) and nights dropping to -4°C (25°F). Rainfall is on the higher side this month, averaging around 105 mm (4.1 in), so keep a rain jacket handy.
Rainfall in Southwest Harbor in March
Records from the past 30 years suggest around 12 days of snow/rain, with 105 mm (4.1 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Southwest Harbor in March
In March, Southwest Harbor gets low temperatures, with highs of 5°C (41°F). Nights cool to around -4°C (25°F). It stays very cold throughout much of the day, so warm winter clothing is essential. With lows of -4°C (25°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. You will probably experience very cold weather in this month, so dressing warmly is vital. Be sure to prepare for the chill with the right clothing.If you prefer dry days with pleasant temperatures, March may not be the ideal month to visit Southwest Harbor. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Southwest Harbor's climate page.
Southwest Harbor Temperature in March
Min Temperature
-4°C (25°F)
Max Temperature
5°C (41°F)
Chance of Rain
41%
Precipitation
105 mm (4.1 in)
Rainy days
12 days
Best Places in the United States of America in March
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 March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Southwest Harbor in March
We recommend to layer up for chilly conditions in Southwest Harbor in March. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Southwest Harbor in March
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 Southwest Harbor's climate page.
See the full Southwest Harbor climate overview or explore weather in the United States of America.
