Bar Harbor Climate and Average Weather
Climate of Bar Harbor: average temperatures, rainfall and seasons month by month.
Climate in Bar Harbor 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 | 30° | 16° | 3,3 in | ★★☆☆☆ |
| February | 33° | 16° | 2,1 in | ★★☆☆☆ |
| March | 42° | 28° | 6,8 in | ★★☆☆☆ |
| April | 51° | 35° | 5,2 in | ★★☆☆☆ |
| May | 62° | 46° | 4,7 in | ★★★☆☆ |
| June | 72° | 55° | 3,1 in | ★★★★☆ |
| July | 78° | 61° | 2,3 in | ★★★★☆ |
| August | 76° | 60° | 3,9 in | ★★★★☆ |
| September | 69° | 53° | 3,3 in | ★★★★☆ |
| October | 59° | 44° | 2,8 in | ★★★★☆ |
| November | 46° | 34° | 3,5 in | ★★★☆☆ |
| December | 37° | 23° | 5,0 in | ★☆☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Recent extremes in Bar Harbor
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Bar Harbor compares with nearby places
Annual averages, and the difference against Bar Harbor.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Acadia National Park | 5 mi | 42°F | 36°F cooler | 44 in |
| Baxter State Park | 110 mi | 28°F | 51°F cooler | 53 in |
| Mount Washington | 153 mi | 27°F | 52°F cooler | 54 in |
| New Brunswick | 173 mi | 43°F | 36°F cooler | 44 in |
| Franconia Notch State Park | 173 mi | 43°F | 36°F cooler | 48 in |
Best time to visit Bar Harbor
Go in June, July 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 Bar Harbor
Today is cooler than average for October. The forecast high of 47°F is 11.9°F below the 59°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
Overnight lows near 32°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 77°F.
What to pack, what to skip
- A warm mid-layer and gloves for early mornings and evenings
- 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
Bar Harbor is a city in Maine. Bar Harbor is known for Acadia National Park gateway. It has a population of about 5.500.
Right now it is 33°F (0°C) in Bar Harbor with clear. It feels like 26°F. Today runs from 32°F to 47°F. Chance of precipitation is 0%. Sightseeing conditions score 7.3/10 - good conditions.
The best time to visit Bar Harbor is June, July and September. The climate is continental. January, March and December tend to be the least comfortable months. July is the warmest month with average highs near 78°F, while January is the coldest with lows near 16°F.
The closest major airport is Boston Logan International Airport (BOS), about 198 mi away. Nearby highlights include Acadia National Park, Baxter State Park, Mount Washington and Franconia Notch State Park.
In plain terms. Today is cooler than average for October. The forecast high of 47°F is 11.9°F below the 59°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 Bar Harbor today at 10/10. Overnight lows near 32°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 Bar Harbor
| Type | City |
|---|---|
| State | Maine |
| Country | United States |
| Continent | North America |
| Coordinates | 44°23′15.4″N 68°12′14″W (44.3876, -68.2039) |
| Population | 5.500 |
| Known for | Acadia National Park gateway |
| Local time | 1:09 PM (UTC-04:00) |
| Best months | June, July and September |
| Climate | Continental |
Weather map for Bar Harbor
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 Bar Harbor
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 Bar Harbor?
Bar Harbor is a city in Maine. Its coordinates are 44.3876, -68.2039. It lies in North America.
What is the weather like in Bar Harbor right now?
It is currently 33°F (0°C) with clear. Humidity is 73% and wind is 4 mph.
When is the best time to visit Bar Harbor?
June, July and September offer the most comfortable conditions in Bar Harbor, which has a continental climate. January, March and December are usually the hardest months for outdoor plans.
What time zone is Bar Harbor in?
Bar Harbor observes America/New_York (UTC-04:00). The local time is 1:09 PM.
How many people live in Bar Harbor?
Bar Harbor has a population of approximately 5.500.
What is the nearest airport to Bar Harbor?
The closest airports are Boston Logan International Airport (BOS), 198 mi away and Montreal-Trudeau International Airport (YUL), 281 mi away.
What are the top things to do in Bar Harbor?
Popular options include Acadia National Park, Baxter State Park, Mount Washington, Franconia Notch State Park, Cape Cod National Seashore and St. Lawrence River.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - 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.
