April weather forecast
Nantucket, MA

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Beautiful homes built on the water overlooking the boats on the water below, in Nantucket, Massachusetts
Beautiful homes built on the water overlooking the boats on the water below, in Nantucket, Massachusetts

Weather in April

April heralds the arrival of Spring in earnest in Nantucket, Massachusetts. A noticeable increase in the average high temperature can be observed, reaching 47.5°F. Rainfall continues at a steady pace, transitioning into the lush vibrancy of springtime. Nantucket experiences more daylight hours increasing opportunities to enjoy outdoor activities. April is typically the month where visitors can begin to explore the natural beauty of the seaside town more comfortably.

Temperature

The start of April is characterized by a subtle increase in the average high-temperature, transitioning from a wintry 41.9°F in March to a chilly 47.5°F. In April, Nantucket's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 42.8°F.

Humidity

The average relative humidity in April in Nantucket is 80%.

Rainfall

In Nantucket, in April, during 14.1 rainfall days, 2.52" of precipitation is typically accumulated. Throughout the year, in Nantucket, Massachusetts, there are 153 rainfall days, and 26.61" of precipitation is accumulated.

Snowfall

In Nantucket, snow does not fall in April through October.

Ocean temperature

In Nantucket, in April, the average water temperature is 44.1°F.
Note: Swimming at temperatures less than 50°F in 44.1°F is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 55.4°F without adequate warmth can be discomforting.

Daylight

In Nantucket, the average length of the day in April is 13h and 21min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:05 pm. On the last day of April, sunrise is at 5:39 am and sunset at 7:36 pm EDT.

Sunshine

The average sunshine in April is 8.4h.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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FAQ

What is the temperature in April in Nantucket?

The high-temperature in Nantucket, Massachusetts, during April is 47.5°F and the low-temperature is 42.8°F.

What is the average humidity in April in Nantucket?

In April, the average relative humidity in Nantucket is 80%.

How many days does it rain in April in Nantucket?

In Nantucket, Massachusetts, during April, the rain falls for 14.1 days and regularly aggregates up to 2.52" of precipitation.

When it does not snow in Nantucket?

In Nantucket, Massachusetts, snow does not fall in April through October.

Does it snow in Nantucket in April?

In April, in Nantucket, Massachusetts, it doesn't snow. March is the latest month when it typically snows.

How cold is the water in April in Nantucket?

In Nantucket, the average seawater temperature in April is 44.1°F. At temperatures below 50°F, swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F is not comfortable.

What is the average length of the day in April in Nantucket?

In April, the average day length in Nantucket, Massachusetts, is 13h and 21min.

When is the sunrise / sunset in April in Nantucket?

In April, on the first day of the month, sunrise is at 6:23 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:36 pm EDT.

How many hours of sunshine does Nantucket have in April?

In April, the average sunshine duration in Nantucket is 8.4h.

How high is the UV index in April in Nantucket?

The average daily maximum UV index in April in Nantucket, Massachusetts, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Nantucket, MA

Average temperature in April - Nantucket, MA
  • Average high temperature in April: 47.5°F

The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is February (39.7°F).

  • Average low temperature in April: 42.8°F

The month with the highest average low temperature is August (68.7°F).
The coldest month (with the lowest average low temperature) is February (32.5°F).

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Average pressure in April
Nantucket, MA

Average pressure in April - Nantucket, MA
  • Average pressure in April: 29.98"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in April
Nantucket, MA

Average wind speed in April - Nantucket, MA
  • Average wind speed in April: 16mph

The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest month (with the lowest average wind speed) is August (11.8mph).

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Average humidity in April
Nantucket, MA

Average humidity in April - Nantucket, MA
  • Average humidity in April: 80%

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January, November and December (75%).

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Average rainfall in April
Nantucket, MA

Average rainfall in April - Nantucket, MA
  • Average rainfall in April: 2.52"

The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days in April
Nantucket, MA

Average rainfall days in April - Nantucket, MA
  • Average rainfall days in April: 14.1 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (9.2 days).

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Average snowfall in April
Nantucket, MA

Average snowfall in April - Nantucket, MA
  • Average snowfall in April: 0"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in April
Nantucket, MA

Average snowfall days in April - Nantucket, MA
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in April
Nantucket, MA

Average sea temperature in April - Nantucket, MA
  • Average sea temperature in April: 44°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).

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Average daylight in April /
Average sunshine in April
Nantucket, MA

Average daylight in April / Average sunshine in April - Nantucket, MA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

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Average sunshine days in April
Nantucket, MA

Average sunshine days in April - Nantucket, MA
  • Average sunshine days in April: 13.3 days

The month with the most sunshine days is August (16.5 days).
The month with the least sunshine days is January (11.3 days).

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Average UV index in April
Nantucket, MA

Average UV index in April - Nantucket, MA
  • Average UV index in April: 3

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

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Average cloud cover in April
Nantucket, MA

Average cloud cover in April - Nantucket, MA
  • Average cloud cover in April: 45

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in April
Nantucket, MA

Average visibility in April - Nantucket, MA
  • Average visibility in April: 6mi

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

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Nantucket, Massachusetts, USA

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