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Best Time for Maine Coast: Portland, Midcoast & Acadia
Last updated:
Preferred months for this journey: June, July, August, September. Check the seasonal notes before choosing your dates.
💡 Good to know
- Lobster boats land daily, windjammers sail out of Camden, and Cadillac Mountain catches America's first sunrise — reserve the summit drive in season.
- Acadia in leaf season against blue sea is the postcard New England keeps in reserve — crisp days, thin crowds, lobster stew weather.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | −6.5°C | −0.2°C | 98 mm | 9.1 h | ❄ |
| February | −6.2°C | 0.4°C | 94 mm | 10.2 h | ❄ |
| March | −2.5°C | 3.4°C | 100 mm | 11.6 h | ❄ |
| April | 2.2°C | 8.4°C | 111 mm | 13.2 h | |
| May | 7.1°C | 13.4°C | 96 mm | 14.6 h | |
| June | 11.9°C | 17.9°C | 119 mm | 15.3 h | |
| July | 15.6°C | 21.5°C | 87 mm | 15.0 h | |
| August | 15.9°C | 21.9°C | 87 mm | 13.8 h | |
| September | 12.8°C | 19.0°C | 100 mm | 12.3 h | |
| October | 7.8°C | 13.5°C | 146 mm | 10.8 h | |
| November | 2.7°C | 8.0°C | 126 mm | 9.4 h | |
| December | −2.7°C | 3.0°C | 139 mm | 8.7 h | ❄ |