March weather forecast
Bar Harbor, ME

Share
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

As February transitions into March, Bar Harbor notices a gentle rise in the average high-temperature, transitioning from a freezing cold 30.7°F (-0.7°C) to a wintry 37.2°F (2.9°C). March brings Bar Harbor a consistent average low-temperature of 25.9°F (-3.4°C).

Humidity

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

Rainfall

In March, the rain falls for 11.3 days. Throughout March, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Bar Harbor, Maine, 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.
Note: In the sport of swimming, this scenario is extremely cold, treacherous, and fatal. If not protected by insulated waterproof clothing, hypothermia ensues quickly.

Daylight

The average length of the day in March in Bar Harbor is 11h and 58min.
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 March, 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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In March, the average maximum UV index of 2 translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is March?

In March, the average high-temperature and low-temperature are 37.2°F (2.9°C) and 25.9°F (-3.4°C) respectively.

What is the average humidity in March?

In March, the average relative humidity is 80%.

How many days does it rain in March?

In Bar Harbor, in March, it is raining for 11.3 days, with typically 2.44" (62mm) of accumulated precipitation.

How much does it snow in Bar Harbor in March?

In Bar Harbor, Maine, during March, snow falls for 9.4 days and regularly aggregates up to 4.13" (105mm) of snow.

What is the month with the coldest ocean?

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

What is the ocean temperature in March?

In Bar Harbor, in March, the average water temperature is 38.7°F (3.7°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the average length of the day in March?

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

What time are sunrise and sunset in March?

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.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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?

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

How high is the UV index in March?

In March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

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).

Bar Harbor, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location