Climate and monthly weather forecast
Bar Harbor, ME

The popular tourist spot of Bar Harbor in Maine, within the Mount Desert Island
The popular tourist spot of Bar Harbor in Maine, within the Mount Desert Island

Weather in January

January, like December, is another subzero cold winter month in Bar Harbor, Maine, with an average temperature fluctuating between 18.5°F (-7.5°C) and 29.7°F (-1.3°C). With an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 18.5°F (-7.5°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Bar Harbor, is also a subzero cold month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 18.9°F (-7.3°C). In Bar Harbor, the average high-temperature in February is almost the same as in January - a still freezing cold 30.7°F (-0.7°C). Weather in February »

Weather in March

March, the first month of the spring in Bar Harbor, is a wintry month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 37.2°F (2.9°C). In Bar Harbor, the average high-temperature in March marginally rises from a subzero cold 30.7°F (-0.7°C) in February to a cold 37.2°F (2.9°C). Weather in March »

Weather in April

April in Bar Harbor, Maine, is a frosty spring month, with an average temperature fluctuating between 48.6°F (9.2°C) and 35.6°F (2°C). In April, the average high-temperature increases from a cold 37.2°F (2.9°C) in March to a frosty 48.6°F (9.2°C). Weather in April »

Weather in May

May, the last month of the spring in Bar Harbor, is a moderate month, with an average temperature ranging between min 44.2°F (6.8°C) and max 58.6°F (14.8°C). In Bar Harbor, Maine, the average high-temperature in May increases from a frosty 48.6°F (9.2°C) in April to a moderate 58.6°F (14.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a comfortable month in Bar Harbor, Maine, with an average temperature ranging between min 51.4°F (10.8°C) and max 66°F (18.9°C). In Bar Harbor, the average high-temperature in June marginally rises from a mild 58.6°F (14.8°C) in May to an enjoyable 66°F (18.9°C). Weather in June »

Weather in July

July in Bar Harbor, Maine, is an agreeable summer month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 73.2°F (22.9°C). In July, the average high-temperature marginally rises from an enjoyable 66°F (18.9°C) in June to a pleasant 73.2°F (22.9°C). Weather in July »

Weather in August

August, the last month of the summer in Bar Harbor, is a moderately hot month, with an average temperature fluctuating between 73.4°F (23°C) and 57.7°F (14.3°C). August is the warmest month, with an average high-temperature of 73.4°F (23°C) and an average low-temperature of 57.7°F (14.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Bar Harbor, is also an enjoyable month, with an average temperature varying between 67.1°F (19.5°C) and 52.7°F (11.5°C). In Bar Harbor, the average high-temperature in September marginally drops from a warm 73.4°F (23°C) in August to an enjoyable 67.1°F (19.5°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Bar Harbor, Maine, with an average temperature fluctuating between 55.9°F (13.3°C) and 45°F (7.2°C). In October, the average high-temperature drops from an enjoyable 67.1°F (19.5°C) in September to a mild 55.9°F (13.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Bar Harbor, is another chilly month, with an average temperature ranging between min 34.7°F (1.5°C) and max 44.8°F (7.1°C). In Bar Harbor, the average high-temperature in November decreases from a moderate 55.9°F (13.3°C) in October to a chilly 44.8°F (7.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Bar Harbor, Maine, with an average temperature ranging between max 35.1°F (1.7°C) and min 25.7°F (-3.5°C). In December, the average high-temperature decreases from a chilly 44.8°F (7.1°C) in November to a cold 35.1°F (1.7°C). Weather in December »
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FAQ

What is the coldest month in Bar Harbor?

The coldest month is January, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 18.5°F (-7.5°C).

How many days does it rain in Bar Harbor?

Throughout the year, in Bar Harbor, Maine, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.

When does it snow in Bar Harbor?

January through May, October through December are months with snowfall in Bar Harbor, Maine.

How many days does it snow in Bar Harbor?

In Bar Harbor, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.

What are the months with the lowest UV index in Bar Harbor?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month in Bar Harbor?

With an average relative humidity of 83%, February is the most humid month.

When does it snow the most in Bar Harbor?

February is the month with the most snowfall. Snow falls for 11.4 days and accumulates 5.75" (146mm) of snow.

What is the month with the least sunshine in Bar Harbor?

The month with the least sunshine in Bar Harbor is February, with an average of 4.1h of sunshine.

What month is the ocean coldest in Bar Harbor?

With an average ocean temperature of 38.7°F (3.7°C), March is the month with the coldest seawater.

When is Daylight Saving Time (DST) in Bar Harbor?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Bar Harbor, Maine, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Bar Harbor?

June through September are months without snowfall.

When are the longest days in Bar Harbor?

The month with the longest days in Bar Harbor, Maine, is June, with an average of 15h and 29min of daylight.

What is the month with the highest UV index in Bar Harbor?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Bar Harbor, Maine.

What is the driest month in Bar Harbor?

July is the month with the least rainfall. Rain falls for 13 days and accumulates 1.57" (40mm) of precipitation.

What is the warmest month in Bar Harbor?

The warmest month is August, with an average high-temperature of 73.4°F (23°C) and an average low-temperature of 57.7°F (14.3°C).

When is the ocean warmest in Bar Harbor?

The month with the warmest seawater is August, with an average ocean temperature of 56.8°F (13.8°C).

What month has the most sunshine in Bar Harbor?

August has the most sunshine of the year in Bar Harbor, with an average of 10.1h of sunshine.

What is the least humid month in Bar Harbor?

The least humid month is November, with an average relative humidity of 76%.

What is the rainiest month in Bar Harbor?

December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.94" (100mm) of precipitation.

What is the month with the shortest days in Bar Harbor?

With an average of 8h and 55min of daylight, December has the shortest days of the year.

Average temperature
Bar Harbor, ME

Average temperature - Bar Harbor, ME

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure
Bar Harbor, ME

Average pressure - Bar Harbor, ME

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Bar Harbor, ME

Average wind speed - Bar Harbor, ME

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity
Bar Harbor, ME

Average humidity - Bar Harbor, ME

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall
Bar Harbor, ME

Average rainfall - Bar Harbor, ME

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").

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Average rainfall days
Bar Harbor, ME

Average rainfall days - Bar Harbor, ME

The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall
Bar Harbor, ME

Average snowfall - Bar Harbor, ME

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Bar Harbor, ME

Average snowfall days - Bar Harbor, ME

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature
Bar Harbor, ME

Average sea temperature - Bar Harbor, ME

The best month for swimming (with the highest average sea temperature) is August (56.8°F).
The coldest month (with the lowest average sea temperature) is March (38.6°F).

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Average daylight / Average sunshine
Bar Harbor, ME

Average daylight / Average sunshine - Bar Harbor, ME

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days
Bar Harbor, ME

Average sunshine days - Bar Harbor, ME

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index
Bar Harbor, ME

Average UV index - Bar Harbor, ME

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Bar Harbor, ME

Average visibility - Bar Harbor, ME

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

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