Nantucket
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Nantucket, MA

Beautiful homes built on the water overlooking the boats on the water below, in Nantucket, Massachusetts, with stunning pink, sun rays
Beautiful homes built on the water overlooking the boats on the water below, in Nantucket, Massachusetts, with stunning pink, sun rays
January, like December, in Nantucket, Massachusetts, is a wintry winter month, with average temperature ranging between max 38.1°F (3.4°C) and min 25.2°F (-3.8°C). With an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 25.2°F (-3.8°C), January is the coldest month. Weather in January »
The last month of the winter, February, is also a wintry month in Nantucket, Massachusetts, with average temperature fluctuating between 26.4°F (-3.1°C) and 39.4°F (4.1°C). In February, the average high-temperature is almost the same as in January - a still cold 39.4°F (4.1°C). Weather in February »

March, the first month of the spring, in Nantucket, is a chilly month, with average temperature fluctuating between 44.2°F (6.8°C) and 30.9°F (-0.6°C). In March, the average high-temperature is relatively the same as in February - a frosty 44.2°F (6.8°C). Weather in March »

April is a cool spring month in Nantucket, Massachusetts, with average temperature varying between 38.5°F (3.6°C) and 51.3°F (10.7°C). In April, the average high-temperature marginally rises, from a frosty 44.2°F (6.8°C) in March, to a fresh 51.3°F (10.7°C). Weather in April »

May, the last month of the spring, in Nantucket, is a mild month, with average temperature ranging between max 59.7°F (15.4°C) and min 46°F (7.8°C). In Nantucket, the average high-temperature in May slightly increases, from a fresh 51.3°F (10.7°C) in April, to a mild 59.7°F (15.4°C). Weather in May »

The first month of the summer, June, is a pleasant month in Nantucket, Massachusetts, with average temperature fluctuating between 68°F (20°C) and 55.6°F (13.1°C). In June, the average high-temperature marginally rises, from a mild 59.7°F (15.4°C) in May, to an agreeable 68°F (20°C). Weather in June »

July is a moderately hot summer month in Nantucket, Massachusetts, with average temperature fluctuating between 75°F (23.9°C) and 62.2°F (16.8°C). July is the warmest month, with an average high-temperature of 75°F (23.9°C) and an average low-temperature of 62.2°F (16.8°C). Weather in July »

August, the last month of the summer, in Nantucket, is also a moderately hot month, with average temperature fluctuating between 74.7°F (23.7°C) and 61.9°F (16.6°C). In Nantucket, the average high-temperature is essentially the same as in July - a still moderately hot 74.7°F (23.7°C). Weather in August »

September, the first month of the autumn, in Nantucket, is also an agreeable month, with average temperature varying between 69.4°F (20.8°C) and 56.1°F (13.4°C). In Nantucket, the average high-temperature in September is relatively the same as in August - an agreeable 69.4°F (20.8°C). Weather in September »

October, like September, in Nantucket, Massachusetts, is another enjoyable autumn month, with average temperature ranging between max 60.8°F (16°C) and min 47.5°F (8.6°C). In Nantucket, the average high-temperature slightly decreases, from an agreeable 69.4°F (20.8°C) in September, to a comfortable 60.8°F (16°C). Weather in October »

The last month of the autumn, November, is also a fresh month in Nantucket, Massachusetts, with average temperature ranging between min 39.4°F (4.1°C) and max 52°F (11.1°C). In November, the average high-temperature marginally drops, from an enjoyable 60.8°F (16°C) in October, to a cool 52°F (11.1°C). Weather in November »

December, the first month of the winter, in Nantucket, is also a frosty month, with average temperature varying between 30.9°F (-0.6°C) and 43.7°F (6.5°C). In Nantucket, Massachusetts, the average high-temperature in December marginally drops, from a cool 52°F (11.1°C) in November, to a chilly 43.7°F (6.5°C). Weather in December »

What is the coldest month in Nantucket?

With an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 25.2°F (-3.8°C), January is the coldest month in Nantucket, Massachusetts.

How many days does it rain in Nantucket?

Throughout the year, in Nantucket, there are 120 rainfall days, and 44.4" (1128.3mm) of precipitation is accumulated.

When does it snow in Nantucket?

January through April, November and December are months with snowfall in Nantucket, Massachusetts.

How much does it snow in Nantucket?

Throughout the year, in Nantucket, Massachusetts, 29.3" (744.2mm) of snow is accumulated.

What is the month with the least sunshine in Nantucket?

January, November and December, with an average of 5h of sunshine, are months with the least sunshine in Nantucket.

What is the driest month in Nantucket?

The month with the least rainfall in Nantucket, Massachusetts, is February when the rain falls for 10 days and typically collects 2.7" (69.1mm) of precipitation.

What is the snowiest month in Nantucket?

February is the month with the most snowfall in Nantucket, Massachusetts, with 8.5" (215.9mm) of accumulated snow.

When is the ocean coldest in Nantucket?

The month with the coldest seawater is February, with an average ocean temperature of 37.9°F (3.3°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.

When are the longest days in Nantucket?

June has the longest days of the year, with an average of 15.1h of daylight.

What month has the most sunshine in Nantucket?

With an average of 9h of sunshine, June has the most sunshine of the year in Nantucket.

What is the month with the highest UV index in Nantucket?

Months with the highest UV index in Nantucket are June through August, with an average maximum UV index of 8.

What is the warmest month in Nantucket?

July is the warmest month in Nantucket, with an average high-temperature of 75°F (23.9°C) and an average low-temperature of 62.2°F (16.8°C).

What month is the ocean warmest in Nantucket?

The month with the warmest seawater in Nantucket is August, with an average ocean temperature of 67.6°F (19.8°C). Swimming in 67.6°F (19.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the wettest month in Nantucket?

November is the month with the most rainfall. Rain falls for 12 days and accumulates 4.4" (112.5mm) of precipitation.

What is the month with the shortest days in Nantucket?

With an average of 9.3h of daylight, December has the shortest days of the year in Nantucket, Massachusetts.

What is the month with the lowest UV index in Nantucket?

December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature - Nantucket, MA
Average rainfall - Nantucket, MA
Average rainfall days - Nantucket, MA
Average snowfall - Nantucket, MA
Average sea temperature - Nantucket, MA

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).

Average daylight / Average sunshine - Nantucket, MA