USA

Nantucket weather in August

Weather in Nantucket: August


	Average day temperature:	71.3°F
	Average night temperature:	70.6°F

	Sea water temperature:	72.5°F

	Number of sunny days:	12 days
	Day length:	13.1 - 14.4 hours

	Number of rainy days:	3 days
	Precipitation totals:	1.6 in.

more information

14 days
forecast

Nantucket

sea water
temperature

Nantucket

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2024

2023

2022

104

Day temperature

Night temperature

The highest day temperature during August of 2024 was 76°F. At the same time the lowest night temperature was 65°F. Daily and nightly averages during August were 71.0°F and 71.0°F.

Show year:

2024

2023

2022

The average sea water temperature in August of 2024 was 70.6°F. The highest and lowest sea temperatures during the month were 72.9°F and 67.8°F.

	Sunny days
	Partly cloudy days
	Cloudy days

39%

45%

16%

Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.3

0.6

0.9

1.2

1.5

1.8

2.1

1.3

1.8

1.2

1.1

1.3

1.1

1.4

1.6

1.3

1.8

1.6

1.2

1.1

1.3

1.1

1.4

1.6

Precipitation total value in Nantucket in August is 1.6 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

3.3

6.5

9.8

13.1

16.4

19.6

22.9

26.2

18.4

18.3

15.7

15.0

12.9

13.6

15.8

17.2

19.1

18.2

19.0

18.4

18.3

15.7

15.0

13.2

12.9

13.6

15.8

17.2

19.1

18.2

19.0

The average wind speed value in August is 13.2 mph It makes August one of the least windy months of the year.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.6

3.2

4.7

6.3

7.9

9.5

11.0

12.6

4.0

5.6

5.9

7.3

8.6

9.2

7.9

6.6

5.6

4.5

4.2

4.0

5.6

5.9

7.3

8.4

8.6

9.2

7.9

6.6

5.6

4.5

4.2

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.4.