April 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 April

April is a chilly spring month in Bar Harbor, Maine, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 48.6°F (9.2°C).

Temperature

In Bar Harbor, the average high-temperature in April increases from a cold 37.2°F (2.9°C) in March to a chilly 48.6°F (9.2°C). The average low-temperature, in Bar Harbor, is 35.6°F (2°C).

Humidity

In Bar Harbor, the average relative humidity in April is 77%.

Rainfall

In Bar Harbor, during April, the rain falls for 15.5 days and regularly aggregates up to 3.5" (89mm) of precipitation. 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 April, in Bar Harbor, it is snowing for 3.1 days. Throughout April, 2.44" (62mm) of snow is accumulated. In Bar Harbor, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.

Ocean temperature

In April, the average ocean temperature in Bar Harbor, Maine, is 40.6°F (4.8°C).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

In Bar Harbor, Maine, the average length of the day in April is 13h and 30min.
On the first day of April, sunrise is at 6:13 am and sunset at 6:59 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 7:35 pm EDT.

Sunshine

In April, the average sunshine in Bar Harbor is 7.2h.

UV index

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Bar Harbor?

In Bar Harbor, in April, the average high-temperature is 48.6°F (9.2°C), and the average low-temperature is 35.6°F (2°C).

What is the average humidity in April in Bar Harbor?

The average relative humidity in April in Bar Harbor, Maine, is 77%.

How much does it rain in Bar Harbor in April?

In April, in Bar Harbor, Maine, the rain falls for 15.5 days. Throughout April, 3.5" (89mm) of precipitation is accumulated.

How many days does it snow in April in Bar Harbor?

In April, in Bar Harbor, Maine, it is snowing for 3.1 days. Throughout April, 2.44" (62mm) of snow is accumulated.

What is the water temperature in April in Bar Harbor?

In April, the average ocean temperature in Bar Harbor is 40.6°F (4.8°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 April in Bar Harbor?

In April, the average day length in Bar Harbor is 13h and 30min.

When are sunrise and sunset in April in Bar Harbor?

On the first day of April, sunrise is at 6:13 am and sunset at 6:59 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 7:35 pm EDT.

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

The average sunshine duration in April in Bar Harbor is 7.2h.

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

In Bar Harbor, Maine, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Bar Harbor, ME

Average temperature in April - Bar Harbor, ME
  • Average high temperature in April: 48.6°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 April: 35.6°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 April
Bar Harbor, ME

Average pressure in April - Bar Harbor, ME
  • Average pressure in April: 29.95"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 April
Bar Harbor, ME

Average wind speed in April - Bar Harbor, ME
  • Average wind speed in April: 9.2mph

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 April
Bar Harbor, ME

Average humidity in April - Bar Harbor, ME
  • Average humidity in April: 77%

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 April
Bar Harbor, ME

Average rainfall in April - Bar Harbor, ME
  • Average rainfall in April: 3.5"

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 April
Bar Harbor, ME

Average rainfall days in April - Bar Harbor, ME
  • Average rainfall days in April: 15.5 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 April
Bar Harbor, ME

Average snowfall in April - Bar Harbor, ME
  • Average snowfall in April: 2.44"

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 April
Bar Harbor, ME

Average snowfall days in April - Bar Harbor, ME
  • Average snowfall days in April: 3.1 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 April
Bar Harbor, ME

Average sea temperature in April - Bar Harbor, ME
  • Average sea temperature in April: 40.7°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 April /
Average sunshine in April
Bar Harbor, ME

Average daylight in April / Average sunshine in April - Bar Harbor, ME
  • Average daylight in April: 13h and 30min

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).

  • Average sunshine in April: 7h and 12min

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 April
Bar Harbor, ME

Average sunshine days in April - Bar Harbor, ME
  • Average sunshine days in April: 11.2 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 April
Bar Harbor, ME

Average UV index in April - Bar Harbor, ME
  • Average UV index in April: 3

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 April
Bar Harbor, ME

Average cloud cover in April - Bar Harbor, ME
  • Average cloud cover in April: 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 April
Bar Harbor, ME

Average visibility in April - Bar Harbor, ME
  • Average visibility in April: 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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