Acadia National Park Climate and Average Weather
Climate of Acadia National Park: average temperatures, rainfall and seasons month by month.
Climate in Acadia National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 26° | 14° | 3,3 in | ★★☆☆☆ |
| February | 29° | 14° | 2,2 in | ★★☆☆☆ |
| March | 37° | 25° | 6,5 in | ★☆☆☆☆ |
| April | 45° | 32° | 5,2 in | ★★☆☆☆ |
| May | 54° | 42° | 4,7 in | ★★★☆☆ |
| June | 64° | 51° | 2,7 in | ★★★★☆ |
| July | 69° | 57° | 1,9 in | ★★★★★ |
| August | 68° | 56° | 3,2 in | ★★★★☆ |
| September | 63° | 50° | 1,7 in | ★★★★☆ |
| October | 54° | 43° | 4,0 in | ★★★☆☆ |
| November | 42° | 31° | 3,4 in | ★★☆☆☆ |
| December | 33° | 20° | 5,0 in | ★☆☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Recent extremes in Acadia National Park
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Acadia National Park compares with nearby places
Annual averages, and the difference against Acadia National Park.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Bar Harbor | 5 mi | 47°F | +36°F warmer | 46 in |
| Baxter State Park | 113 mi | 28°F | 47°F cooler | 53 in |
| Mount Washington | 150 mi | 27°F | 47°F cooler | 54 in |
| Franconia Notch State Park | 169 mi | 43°F | about the same | 48 in |
| New Brunswick | 177 mi | 43°F | about the same | 44 in |
Best time to visit Acadia National Park
Go in June, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, March and December - expect the least comfortable mix of heat, cold or rain.
What this means for Acadia National Park
Today is cooler than average for October. The forecast high of 42°F is 12.2°F below the 54°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
Overnight lows near 29°F mean ice is possible on bridges before dawn.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 74°F.
What to pack, what to skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots with grip for ice
- Avoid high-elevation trails without traction devices - frozen surfaces persist in shade all day.
- If your dates are flexible, avoid January, March and December - historically the least comfortable months here.
Summary
Acadia National Park is a national park in Maine. Acadia National Park is a US national park known for granite coast, Cadillac Mountain sunrises.
Right now it is 29°F (-2°C) in Acadia National Park with clear. It feels like 21°F. Today runs from 29°F to 42°F. Chance of precipitation is 3%. Sightseeing conditions score 7.1/10 - good conditions.
The best time to visit Acadia National Park is June, July, August and September. The climate is subarctic. January, March and December tend to be the least comfortable months. July is the warmest month with average highs near 69°F, while January is the coldest with lows near 14°F.
The closest major airport is Boston Logan International Airport (BOS), about 194 mi away. Nearby highlights include Baxter State Park, Mount Washington, Franconia Notch State Park and Cape Cod National Seashore.
In plain terms. Today is cooler than average for October. The forecast high of 42°F is 12.2°F below the 54°F typical for this month. The best window to be outside is roughly 1 PM to 4 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Acadia National Park today at 9.9/10. Overnight lows near 29°F mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Acadia National Park
| Type | National park |
|---|---|
| State | Maine |
| Country | United States |
| Continent | North America |
| Coordinates | 44°20′19″N 68°16′23.9″W (44.3386, -68.2733) |
| Established | 1919 |
| Known for | granite coast, Cadillac Mountain sunrises |
| Local time | 1:09 PM (UTC-04:00) |
| Best months | June, July, August and September |
| Climate | Subarctic |
Weather map for Acadia National Park
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Acadia National Park
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Acadia National Park?
Acadia National Park is a national park in Maine. Its coordinates are 44.3386, -68.2733. It lies in North America.
What is the weather like in Acadia National Park right now?
It is currently 29°F (-2°C) with clear. Humidity is 67% and wind is 5 mph.
When is the best time to visit Acadia National Park?
June, July, August and September offer the most comfortable conditions in Acadia National Park, which has a subarctic climate. January, March and December are usually the hardest months for outdoor plans.
What time zone is Acadia National Park in?
Acadia National Park observes America/New_York (UTC-04:00). The local time is 1:09 PM.
What is the nearest airport to Acadia National Park?
The closest airports are Boston Logan International Airport (BOS), 194 mi away and Montreal-Trudeau International Airport (YUL), 279 mi away.
What are the top things to do in Acadia National Park?
Popular options include Baxter State Park, Mount Washington, Franconia Notch State Park, Cape Cod National Seashore, St. Lawrence River and Nantucket.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 28, 2026 at 1:09 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
