March weather forecast
Bar Harbor, ME

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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 March

Entering March, Bar Harbor experiences a transition from winter to spring, bringing along significant changes in the weather. As the snow melts, there occurs an observed decrease in snowfall to 4.13" (105mm). The amount of daylight increases as the month progresses and snowfall days decrease, signifying the end of winter and the arrival of milder weather. Although the chances of snow still exist, the city begins to warm up during this period. Nevertheless, it is essential to stay prepared for occasional bouts of cold.

Temperature

Observing a slight rise in March, the average high-temperature in Bar Harbor shifts from February's freezing cold 30.7°F (-0.7°C) to an icy 37.2°F (2.9°C). During March, Bar Harbor sees a mean low-temperature of 25.9°F (-3.4°C).

Humidity

The average relative humidity in March is 80%.

Rainfall

In Bar Harbor, in March, during 11.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Bar Harbor, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Bar Harbor, during March, snow falls for 9.4 days and regularly aggregates up to 4.13" (105mm) of snow. In Bar Harbor, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.

Ocean temperature

With an average ocean temperature of 38.7°F (3.7°C), March is the month with the coldest seawater in Bar Harbor.
Note: In the activity of swimming, this state poses an instant danger to life. Breathing control is completely lost, impeding any form of clear thinking. Employing a specialized swimsuit is crucial to minimize thermal loss.

Daylight

The average length of the day in March in Bar Harbor is 11h and 58min.
On the first day of March, sunrise is at 6:08 am and sunset at 5:21 pm EST. On the last day of the month, sunrise is at 6:14 am and sunset at 6:59 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

The average sunshine in March is 5.2h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In March, a regular UV index of 2 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

How cold is March in Bar Harbor?

The high-temperature, in March, in Bar Harbor, records 37.2°F (2.9°C), while the low-temperature is 25.9°F (-3.4°C).

What is the average humidity in March in Bar Harbor?

In Bar Harbor, the average relative humidity in March is 80%.

How many days does it rain in March in Bar Harbor?

In Bar Harbor, Maine, during March, the rain falls for 11.3 days and regularly aggregates up to 2.44" (62mm) of precipitation.

How much does it snow in Bar Harbor in March?

In March, it is snowing for 9.4 days. Throughout March, 4.13" (105mm) of snow is accumulated.

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.

How cold is the water in March in Bar Harbor?

In Bar Harbor, the average seawater temperature in March is 38.7°F (3.7°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in March in Bar Harbor?

In March, the average day length is 11h and 58min.

When are sunrise and sunset in March in Bar Harbor?

In March, on the first day of the month, sunrise is at 6:08 am and sunset at 5:21 pm EST. On the last day of the month, in Bar Harbor, Maine, sunrise is at 6:14 am and sunset at 6:59 pm EDT.

When does Daylight Saving Time (DST) start in March in Bar Harbor?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bar Harbor, Maine, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Bar Harbor?

In March, the average sunshine duration is 5.2h.

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 in Bar Harbor.

How high is the UV index in March in Bar Harbor?

The average daily maximum UV index in March in Bar Harbor, Maine, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Bar Harbor, ME

Average temperature in March - Bar Harbor, ME
  • Average high temperature in March: 37.2°F

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).

  • Average low temperature in March: 25.9°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 in March
Bar Harbor, ME

Average pressure in March - Bar Harbor, ME
  • Average pressure in March: 30"Hg

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 in March
Bar Harbor, ME

Average wind speed in March - Bar Harbor, ME
  • Average wind speed in March: 10.3mph

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 in March
Bar Harbor, ME

Average humidity in March - Bar Harbor, ME
  • Average humidity in March: 80%

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 in March
Bar Harbor, ME

Average rainfall in March - Bar Harbor, ME
  • Average rainfall in March: 2.44"

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 in March
Bar Harbor, ME

Average rainfall days in March - Bar Harbor, ME
  • Average rainfall days in March: 11.3 days

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 in March
Bar Harbor, ME

Average snowfall in March - Bar Harbor, ME
  • Average snowfall in March: 4.13"

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 in March
Bar Harbor, ME

Average snowfall days in March - Bar Harbor, ME
  • Average snowfall days in March: 9.4 days

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 in March
Bar Harbor, ME

Average sea temperature in March - Bar Harbor, ME
  • Average sea temperature in March: 38.6°F

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 in March /
Average sunshine in March
Bar Harbor, ME

Average daylight in March / Average sunshine in March - Bar Harbor, ME
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in March: 5h and 1min

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 in March
Bar Harbor, ME

Average sunshine days in March - Bar Harbor, ME
  • Average sunshine days in March: 14.3 days

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 in March
Bar Harbor, ME

Average UV index in March - Bar Harbor, ME
  • Average UV index in March: 2

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 cloud cover in March
Bar Harbor, ME

Average cloud cover in March - Bar Harbor, ME
  • Average cloud cover in March: 54

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).

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Average visibility in March
Bar Harbor, ME

Average visibility in March - Bar Harbor, ME
  • Average visibility in March: 6mi

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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Bar Harbor, Maine, USA

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