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, the same as December, in Bar Harbor, Maine, is another subzero cold winter month, with temperature in the range of an average high of 29.7°F (-1.3°C) and an average low of 18.5°F (-7.5°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

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

Weather in March

The first month of the spring, March, is a cold month in Bar Harbor, Maine, with an average temperature varying between 25.9°F (-3.4°C) and 37.2°F (2.9°C). In March, the average high-temperature marginally rises from a freezing 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 temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 35.6°F (2°C). In April, the average high-temperature increases from a wintry 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 mild month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 58.6°F (14.8°C). In Bar Harbor, the average high-temperature in May rises from a chilly 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 fluctuating between 66°F (18.9°C) and 51.4°F (10.8°C). In Bar Harbor, the average high-temperature in June marginally rises from a moderate 58.6°F (14.8°C) in May to a comfortable 66°F (18.9°C). Weather in June »

Weather in July

July in Bar Harbor, Maine, is a pleasant summer month, with an average temperature ranging between min 58.1°F (14.5°C) and max 73.2°F (22.9°C). In Bar Harbor, the average high-temperature in July slightly increases from a comfortable 66°F (18.9°C) in June to an agreeable 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). 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). Weather in August »

Weather in September

The first month of the autumn, September, is also an enjoyable month in Bar Harbor, Maine, 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 slightly decreases 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 another mild autumn month in Bar Harbor, Maine, with an average temperature ranging between max 55.9°F (13.3°C) and min 45°F (7.2°C). In October, the average high-temperature decreases from a comfortable 67.1°F (19.5°C) in September to a mild 55.9°F (13.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Bar Harbor, Maine, with an average temperature ranging between max 44.8°F (7.1°C) and min 34.7°F (1.5°C). In Bar Harbor, the average high-temperature in November drops 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 varying between 25.7°F (-3.5°C) and 35.1°F (1.7°C). In Bar Harbor, the average high-temperature in December 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?

January is the coldest month in Bar Harbor, 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 much does it rain in Bar Harbor?

In Bar Harbor, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

When does it snow in Bar Harbor?

January through May, October through December are months with snowfall.

How much does it snow in Bar Harbor?

In Bar Harbor, Maine, 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?

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

What is the most humid month in Bar Harbor?

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

When does it snow the most in Bar Harbor?

The month with the most snowfall is February, when snow falls for 11.4 days and typically aggregates up to 5.75" (146mm) of snow.

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

With an average of 4.1h of sunshine, February has the least sunshine of the year in Bar Harbor.

When is the ocean coldest in Bar Harbor?

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

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, 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 in Bar Harbor.

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?

The months with the highest UV index are June through August, with an average maximum UV index of 5.

What is the driest month in Bar Harbor?

The month with the least rainfall in Bar Harbor is July, when the rain falls for 13 days and typically collects 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).

What is the month with the warmest ocean in Bar Harbor?

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

What month has the most sunshine in Bar Harbor?

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

What is the least humid month in Bar Harbor?

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

What is the wettest month in Bar Harbor?

The month with the most rainfall in Bar Harbor, Maine, is December, when the rain falls for 11.5 days and typically aggregates up to 3.94" (100mm) of precipitation.

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

The month with the shortest days is December, with an average of 8h and 55min of daylight.

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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