February 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 February

As the last full month of winter, February continues to be a season of cold temperatures in Nantucket. The average high remains below 40°F (4.4°C), only slightly warmer than its predecessor. However, February showcases a decrease in snowfall, with measurements falling to 0.67" (17mm). Although still chilly out, the winds in Nantucket start to decrease from their highs in January. Despite the drop in temperature, locals and tourists need to keep the winter gear on hand throughout February.

Temperature

In Nantucket, the lowest temperatures are generally noted in February, averaging a high of 39.7°F (4.3°C) and a low of 32.5°F (0.3°C).

Humidity

In Nantucket, the average relative humidity in February is 76%.

Rainfall

In Nantucket, Massachusetts, in February, it is raining for 9.2 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 153 rainfall days, and 26.61" (676mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Nantucket are January through March, November and December. In Nantucket, in February, during 3.8 snowfall days, 0.67" (17mm) of snow is typically accumulated. In Nantucket, during the entire year, snow falls for 17.1 days and aggregates up to 3.23" (82mm) of snow.

Ocean temperature

With an average ocean temperature of 37.9°F (3.3°C), February is the month with the coldest seawater in Nantucket.
Note: In the event of swimming, this state is extremely frigid, dangerous, and poses a significant risk to life. Hypothermia swiftly ensues without suitable insulated waterproof attire.

Daylight

The average length of the day in February is 10h and 39min.
On the first day of the month, sunrise is at 6:51 am and sunset at 4:56 pm. On the last day of February, in Nantucket, Massachusetts, sunrise is at 6:15 am and sunset at 5:30 pm EST.

Sunshine

The average sunshine in February is 4.6h.

UV index

The months with the lowest UV index in Nantucket are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 2 in February transforms into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What are the coldest months in Nantucket?

February is the month that records the lowest temperatures, with averages ranging from a high of 39.7°F (4.3°C) to a low of 32.5°F (0.3°C).

How cold is it in Nantucket in February?

An average high-temperature, in February, in Nantucket, is 39.7°F (4.3°C) and the average low-temperature is 32.5°F (0.3°C).

What is the average humidity in February in Nantucket?

The average relative humidity in February in Nantucket, Massachusetts, is 76%.

How much does it rain in Nantucket in February?

In Nantucket, Massachusetts, in February, it is raining for 9.2 days, with typically 1.97" (50mm) of accumulated precipitation.

How much does it snow in Nantucket in February?

In Nantucket, Massachusetts, in February, during 3.8 snowfall days, 0.67" (17mm) of snow is typically accumulated.

What is the month with the coldest ocean in Nantucket?

With an average ocean temperature of 37.9°F (3.3°C), February is the month with the coldest seawater in Nantucket, Massachusetts.

What is the water temperature in February in Nantucket?

In February, the average ocean temperature in Nantucket is 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.

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

In February, the average day length is 10h and 39min.

When are sunrise and sunset in February in Nantucket?

On the first day of February, sunrise is at 6:51 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 5:30 pm EST.

How long on average sun shines in February in Nantucket?

In Nantucket, the average sunshine duration in February is 4.6h.

What are the months with the lowest UV index in Nantucket?

The months with the lowest UV index in Nantucket, Massachusetts, are January through March and December, with an average maximum UV index of 2.

How high is the UV index in February in Nantucket?

The average daily maximum UV index in February in Nantucket is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFebruaryMAMJJASOND
Jan
February
Mar
Average high temperature
40.3°F 4.6°C
39.7°F 4.3°C
41.9°F 5.5°C
Average low temperature
32.9°F 0.5°C
32.5°F 0.3°C
36.1°F 2.3°C
Average pressure
30" 762mmHg
29.98" 761mmHg
30.02" 763mmHg
Average wind speed
18.5mph 29.8km/h
18.1mph 29.1km/h
18.2mph 29.3km/h
Average max. wind speed
19.5mph 31.4km/h
19.1mph 30.7km/h
19.4mph 31.2km/h
Average wind speed gusts
26.2mph 42.2km/h
26.7mph 43km/h
27.9mph 44.9km/h
Average humidity
75%
76%
76%
Average rainfall
2.24" 57mm
1.97" 50mm
2.4" 61mm
Average rainfall days
11.1
9.2
13.2
Average snowfall
1.06" 27mm
0.67" 17mm
0.91" 23mm
Average snowfall days
5.8
3.8
3.3
Average sea temperature
40.5°F 4.7°C
37.9°F 3.3°C
38.6°F 3.7°C
Average daylight
9h 4min
10h 4min
12h 0min
Average sunshine
4h 4min
4h 4min
5h 5min
Average sunshine days
11.3
12.6
13
Average UV index
2
2
2
Average cloud cover
52%
52%
50%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in February
Nantucket, MA

Average temperature in February - Nantucket, MA
  • Average high temperature in February: 39.7°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 February: 32.5°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 February
Nantucket, MA

Average pressure in February - Nantucket, MA
  • Average pressure in February: 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 February
Nantucket, MA

Average wind speed in February - Nantucket, MA
  • Average wind speed in February: 18.1mph

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 February
Nantucket, MA

Average humidity in February - Nantucket, MA
  • Average humidity in February: 76%

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 February
Nantucket, MA

Average rainfall in February - Nantucket, MA
  • Average rainfall in February: 1.97"

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 February
Nantucket, MA

Average rainfall days in February - Nantucket, MA
  • Average rainfall days in February: 9.2 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 February
Nantucket, MA

Average snowfall in February - Nantucket, MA
  • Average snowfall in February: 0.67"

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 February
Nantucket, MA

Average snowfall days in February - Nantucket, MA
  • Average snowfall days in February: 3.8 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 February
Nantucket, MA

Average sea temperature in February - Nantucket, MA
  • Average sea temperature in February: 37.9°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 February /
Average sunshine in February
Nantucket, MA

Average daylight in February / Average sunshine in February - Nantucket, MA
  • Average daylight in February: 10h and 4min

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 February: 4h and 4min

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 February
Nantucket, MA

Average sunshine days in February - Nantucket, MA
  • Average sunshine days in February: 12.6 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 February
Nantucket, MA

Average UV index in February - Nantucket, MA
  • Average UV index in February: 2

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 February
Nantucket, MA

Average cloud cover in February - Nantucket, MA
  • Average cloud cover in February: 52

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 February
Nantucket, MA

Average visibility in February - Nantucket, MA
  • Average visibility in February: 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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