Best time to visit Acadia National Park
The short answer
Best months to visit Acadia National Park: June–September. Daily highs run about 65–70°F, with visitor numbers near the yearly peak (August).
Hardest months: December–March, mostly because of cold weather.
How we picked these months: each month is scored on daily highs (65–82°F is ideal), rain, snow and seasonal closures, then reduced by up to 30% for crowds, measured against the park's busiest month. We list the months within 15% of the top score (at most 5).
Weather and crowds by month
Acadia National Park month by month
Park-wide averages across 6 locations. Crowds compare each month with the park's busiest month: Quiet is under 35% of it, Moderate under 60%, Busy under 85%, Peak above that.
| Month | Rating | High / low | Rain | Snow | Crowds | Closures |
|---|---|---|---|---|---|---|
| January | Poor | 33° / 20°F | 2.9 in | 13.0 in | Quiet | – |
| February | Poor | 33° / 20°F | 2.0 in | 15.4 in | Quiet | – |
| March | Poor | 37° / 26°F | 2.1 in | 11.5 in | Quiet | – |
| April | Poor | 46° / 36°F | 3.8 in | 3.8 in | Quiet | – |
| May | Good | 55° / 45°F | 3.1 in | – | Moderate | – |
| June | Best | 63° / 53°F | 4.0 in | – | Busy | – |
| July | Best | 69° / 60°F | 3.6 in | – | Peak | – |
| August | Best | 69° / 61°F | 3.6 in | – | Peak | – |
| September | Best | 65° / 56°F | 4.0 in | – | Busy | – |
| October | Fair | 56° / 48°F | 5.1 in | – | Busy | – |
| November | Poor | 46° / 36°F | 4.0 in | 3.5 in | Quiet | – |
| December | Poor | 38° / 27°F | 4.4 in | 7.3 in | Quiet | – |
Weather by location
Parks with a big range of elevation can differ a lot from one area to another. Open a location to see its own numbers.
Park-wide (center of the park)
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 32°F | 19°F | 2.8 in | 13.5 in |
| February | 33°F | 18°F | 1.9 in | 15.7 in |
| March | 38°F | 25°F | 2.0 in | 12.0 in |
| April | 48°F | 36°F | 3.7 in | 4.0 in |
| May | 58°F | 45°F | 3.1 in | – |
| June | 66°F | 54°F | 4.0 in | – |
| July | 73°F | 61°F | 3.7 in | – |
| August | 73°F | 62°F | 3.6 in | – |
| September | 67°F | 57°F | 4.1 in | – |
| October | 57°F | 48°F | 5.1 in | – |
| November | 46°F | 35°F | 4.0 in | 3.7 in |
| December | 38°F | 26°F | 4.4 in | 7.9 in |
Mount Desert Island (East)
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 32°F | 18°F | 2.8 in | 13.3 in |
| February | 32°F | 17°F | 1.9 in | 15.3 in |
| March | 37°F | 24°F | 2.0 in | 11.8 in |
| April | 47°F | 35°F | 3.7 in | 4.0 in |
| May | 57°F | 45°F | 3.1 in | – |
| June | 66°F | 54°F | 4.0 in | – |
| July | 72°F | 61°F | 3.6 in | – |
| August | 72°F | 61°F | 3.7 in | – |
| September | 66°F | 56°F | 4.1 in | – |
| October | 57°F | 47°F | 5.1 in | – |
| November | 45°F | 34°F | 3.9 in | 4.1 in |
| December | 37°F | 26°F | 4.3 in | 7.9 in |
Mount Desert Island (West)
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 31°F | 18°F | 2.9 in | 13.1 in |
| February | 31°F | 17°F | 1.9 in | 14.9 in |
| March | 36°F | 24°F | 2.1 in | 11.7 in |
| April | 45°F | 34°F | 3.8 in | 4.0 in |
| May | 55°F | 44°F | 3.1 in | – |
| June | 63°F | 52°F | 4.2 in | – |
| July | 69°F | 59°F | 3.6 in | – |
| August | 69°F | 60°F | 3.8 in | – |
| September | 64°F | 55°F | 4.2 in | – |
| October | 55°F | 46°F | 5.2 in | – |
| November | 45°F | 34°F | 3.9 in | 4.1 in |
| December | 36°F | 25°F | 4.4 in | 7.7 in |
Schoodic Peninsula
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 33°F | 20°F | 2.8 in | 13.7 in |
| February | 33°F | 19°F | 1.9 in | 16.0 in |
| March | 38°F | 25°F | 2.1 in | 12.1 in |
| April | 47°F | 36°F | 3.7 in | 4.0 in |
| May | 57°F | 45°F | 3.1 in | – |
| June | 65°F | 54°F | 4.0 in | – |
| July | 72°F | 61°F | 3.8 in | – |
| August | 72°F | 62°F | 3.6 in | – |
| September | 66°F | 56°F | 4.2 in | – |
| October | 57°F | 48°F | 5.0 in | – |
| November | 46°F | 35°F | 4.0 in | 3.4 in |
| December | 38°F | 27°F | 4.5 in | 7.6 in |
Isle au Haut
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 36°F | 25°F | 3.0 in | 12.1 in |
| February | 35°F | 24°F | 2.0 in | 15.0 in |
| March | 38°F | 29°F | 2.3 in | 10.0 in |
| April | 44°F | 38°F | 3.9 in | 3.0 in |
| May | 51°F | 46°F | 3.0 in | – |
| June | 58°F | 53°F | 3.5 in | – |
| July | 64°F | 59°F | 2.9 in | – |
| August | 65°F | 61°F | 3.3 in | – |
| September | 62°F | 57°F | 3.6 in | – |
| October | 56°F | 51°F | 5.0 in | – |
| November | 48°F | 40°F | 4.1 in | 2.5 in |
| December | 41°F | 32°F | 4.6 in | 5.9 in |
Outer Islands
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 34°F | 22°F | 3.1 in | 12.5 in |
| February | 34°F | 22°F | 2.1 in | 15.2 in |
| March | 37°F | 27°F | 2.3 in | 11.3 in |
| April | 44°F | 37°F | 3.9 in | 3.6 in |
| May | 52°F | 45°F | 3.1 in | – |
| June | 59°F | 53°F | 4.2 in | – |
| July | 65°F | 58°F | 3.9 in | – |
| August | 66°F | 60°F | 3.6 in | – |
| September | 62°F | 57°F | 4.0 in | – |
| October | 56°F | 49°F | 5.0 in | – |
| November | 47°F | 38°F | 4.1 in | 3.0 in |
| December | 39°F | 29°F | 4.6 in | 6.8 in |
Acadia National Park by season
Spring (March–May)
Spring (March–May) is a difficult time to visit Acadia National Park. Daily highs average 37–55°F and lows 26–45°F. Expect about 3.0 in of rain a month and 5.1 in of snow, with up to 4 in on the ground. Visitor numbers run 4–42% of the busiest month, which is quiet by this park's standards.
Summer (June–August)
Summer (June–August) is among the best times to visit Acadia National Park. Daily highs average 63–69°F and lows 53–61°F. Expect about 3.7 in of rain a month and little or no snow. Visitor numbers run 77–100% of the busiest month, which is peak by this park's standards.
Fall (September–November)
Fall (September–November) is a mixed time to visit Acadia National Park. Daily highs average 46–65°F and lows 36–56°F. Expect about 4.4 in of rain a month and 1.2 in of snow, with up to 0 in on the ground. Visitor numbers run 9–84% of the busiest month, which is moderate by this park's standards.
Winter (December–February)
Winter (December–February) is a difficult time to visit Acadia National Park. Daily highs average 33–38°F and lows 20–27°F. Expect about 3.1 in of rain a month and 11.9 in of snow, with up to 4 in on the ground. Visitor numbers run 2% of the busiest month, which is quiet by this park's standards.
For what to do in each season, see our guides to trip planning, fees and hours, trails, camping and things to do, where the planning page also has our written advice on when to go. In-depth topic guides cover individual places and hikes.
What the National Park Service says about the weather
Located on Mount Desert Island in Maine, Acadia experiences all four seasons. Summer temperatures range from 45-90F (7-30C). Fall temperatures range from 30-70F (-1-21C). Typically the first frost is in mid-October and first snowfall begins in November and can continue through April with an average accumulation of 73 inches (185 cm). Winter temperatures range from 14-35F (-10 - 2C). Spring temperatures range from 30-70F (-1-21C).
Weather: modeled monthly averages for 2014-2023 (Open-Meteo Archive API), averaged over 6 locations. Modeled grid cells can read cooler than weather stations in deep canyons and deserts, and warmer or colder at high elevation. Visits: monthly recreation visits for 2021-2024, National Park Service.
