Nantucket Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Nantucket, Massachusetts, based on NOAA data.
What's the hottest day of the year in Nantucket?
On average, July 31 is the hottest day of the year Nantucket, Massachusetts. From 1991–2020, the average high temperature on July 31 was 76.5 °F and the average low was 63.9 °F.
What's the coldest day of the year in Nantucket?
On average, January 29 is the coldest day of the year Nantucket, Massachusetts. From 1991–2020, the average high temperature on January 29 was 38.7 °F, and the average low was 26.0 °F.
Average Temperature by Day
  • Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.
Day Average (°F)
High Low
January 1 42.6 29.5
January 2 42.5 29.3
January 3 42.3 29.2
January 4 42.1 29.0
January 5 41.9 28.8
January 6 41.7 28.6
January 7 41.3 28.2
January 8 40.9 27.8
January 9 40.7 27.5
January 10 40.5 27.4
January 11 40.3 27.2
January 12 40.1 27.1
January 13 40.0 27.0
January 14 39.8 26.9
January 15 39.7 26.9
January 16 39.6 26.8
January 17 39.5 26.7
January 18 39.4 26.7
January 19 39.4 26.5
January 20 39.3 26.5
January 21 39.3 26.5
January 22 39.3 26.6
January 23 39.1 26.5
January 24 39.1 26.5
January 25 39.1 26.4
January 26 38.9 26.3
January 27 38.8 26.1
January 28 38.6 26.1
January 29 38.7 26.0
January 30 38.7 26.0
January 31 38.7 26.0
February 1 38.7 26.0
February 2 38.7 26.0
February 3 38.7 25.9
February 4 38.8 25.9
February 5 39.0 26.1
February 6 39.1 26.3
February 7 39.3 26.5
February 8 39.4 26.7
February 9 39.5 26.8
February 10 39.7 26.9
February 11 39.8 27.0
February 12 39.9 27.1
February 13 40.0 27.1
February 14 40.0 27.2
February 15 40.2 27.3
February 16 40.3 27.4
February 17 40.2 27.4
February 18 40.3 27.5
February 19 40.3 27.5
February 20 40.3 27.5
February 21 40.5 27.4
February 22 40.6 27.6
February 23 40.8 27.7
February 24 41.0 27.9
February 25 41.1 28.1
February 26 41.3 28.2
February 27 41.4 28.4
February 28 41.6 28.7
March 1 41.8 28.9
March 2 42.0 29.2
March 3 42.2 29.4
March 4 42.3 29.5
March 5 42.4 29.7
March 6 42.6 29.8
March 7 42.8 29.9
March 8 42.9 30.1
March 9 43.0 30.2
March 10 43.2 30.3
March 11 43.3 30.4
March 12 43.4 30.5
March 13 43.7 30.7
March 14 43.9 30.9
March 15 44.2 31.3
March 16 44.5 31.5
March 17 44.7 31.8
March 18 44.9 32.1
March 19 45.2 32.3
March 20 45.5 32.6
March 21 45.8 32.9
March 22 46.0 33.2
March 23 46.2 33.3
March 24 46.4 33.5
March 25 46.6 33.7
March 26 46.8 33.9
March 27 47.0 34.1
March 28 47.3 34.3
March 29 47.5 34.5
March 30 47.8 34.7
March 31 48.2 35.0
April 1 48.5 35.3
April 2 48.8 35.6
April 3 49.1 35.9
April 4 49.4 36.2
April 5 49.7 36.5
April 6 50.0 36.7
April 7 50.3 37.0
April 8 50.7 37.3
April 9 51.0 37.7
April 10 51.3 38.0
April 11 51.5 38.2
April 12 51.7 38.5
April 13 51.9 38.6
April 14 52.1 38.8
April 15 52.3 39.0
April 16 52.6 39.1
April 17 52.8 39.3
April 18 53.1 39.6
April 19 53.4 39.9
April 20 53.8 40.2
April 21 54.1 40.6
April 22 54.5 40.8
April 23 54.8 41.1
April 24 55.1 41.4
April 25 55.3 41.7
April 26 55.6 42.0
April 27 55.8 42.3
April 28 56.1 42.5
April 29 56.1 42.7
April 30 56.3 42.9
May 1 56.6 43.2
May 2 56.9 43.4
May 3 57.1 43.7
May 4 57.4 43.9
May 5 57.6 44.1
May 6 57.9 44.4
May 7 58.1 44.6
May 8 58.3 44.8
May 9 58.5 45.1
May 10 58.8 45.4
May 11 59.2 45.7
May 12 59.5 46.0
May 13 59.9 46.3
May 14 60.2 46.7
May 15 60.5 47.0
May 16 60.9 47.4
May 17 61.2 47.6
May 18 61.5 47.9
May 19 61.7 48.1
May 20 61.9 48.4
May 21 62.1 48.6
May 22 62.2 48.9
May 23 62.4 49.1
May 24 62.7 49.4
May 25 63.0 49.6
May 26 63.3 49.9
May 27 63.7 50.2
May 28 64.0 50.6
May 29 64.3 50.9
May 30 64.6 51.1
May 31 64.7 51.4
June 1 64.9 51.7
June 2 65.1 51.9
June 3 65.4 52.2
June 4 65.7 52.5
June 5 66.0 52.8
June 6 66.3 53.0
June 7 66.6 53.3
June 8 66.9 53.5
June 9 67.1 53.8
June 10 67.4 54.1
June 11 67.7 54.4
June 12 68.0 54.7
June 13 68.2 55.0
June 14 68.4 55.3
June 15 68.6 55.7
June 16 68.9 56.0
June 17 69.2 56.3
June 18 69.5 56.6
June 19 69.9 56.9
June 20 70.2 57.2
June 21 70.6 57.6
June 22 71.0 57.9
June 23 71.2 58.2
June 24 71.3 58.5
June 25 71.5 58.7
June 26 71.8 59.0
June 27 72.0 59.2
June 28 72.3 59.4
June 29 72.6 59.7
June 30 72.9 59.9
July 1 73.1 60.2
July 2 73.4 60.5
July 3 73.6 60.7
July 4 73.8 61.1
July 5 74.1 61.3
July 6 74.3 61.5
July 7 74.5 61.7
July 8 74.7 61.9
July 9 74.9 62.1
July 10 75.1 62.2
July 11 75.1 62.4
July 12 75.2 62.5
July 13 75.3 62.5
July 14 75.4 62.7
July 15 75.6 62.8
July 16 75.7 62.9
July 17 75.7 62.9
July 18 75.8 63.0
July 19 75.9 63.0
July 20 76.0 63.2
July 21 76.0 63.3
July 22 76.1 63.4
July 23 76.2 63.4
July 24 76.2 63.4
July 25 76.3 63.5
July 26 76.3 63.5
July 27 76.4 63.6
July 28 76.4 63.7
July 29 76.5 63.8
July 30 76.5 63.9
July 31 76.5 63.9
August 1 76.5 63.9
August 2 76.4 63.9
August 3 76.4 63.8
August 4 76.4 63.8
August 5 76.4 63.8
August 6 76.3 63.7
August 7 76.3 63.7
August 8 76.2 63.7
August 9 76.2 63.6
August 10 76.2 63.5
August 11 76.2 63.4
August 12 76.1 63.3
August 13 76.1 63.1
August 14 76.0 63.1
August 15 76.0 63.0
August 16 75.9 63.0
August 17 75.9 62.9
August 18 75.8 62.7
August 19 75.6 62.5
August 20 75.5 62.3
August 21 75.4 62.3
August 22 75.3 62.1
August 23 75.2 62.0
August 24 75.1 61.8
August 25 75.0 61.7
August 26 74.9 61.6
August 27 74.7 61.3
August 28 74.6 61.1
August 29 74.4 60.9
August 30 74.3 60.7
August 31 74.1 60.5
September 1 73.9 60.3
September 2 73.7 60.0
September 3 73.5 59.8
September 4 73.3 59.6
September 5 73.1 59.3
September 6 72.9 59.0
September 7 72.7 58.9
September 8 72.6 58.8
September 9 72.4 58.6
September 10 72.2 58.4
September 11 72.0 58.2
September 12 71.8 58.0
September 13 71.6 57.9
September 14 71.4 57.7
September 15 71.1 57.5
September 16 70.8 57.3
September 17 70.6 57.1
September 18 70.4 56.9
September 19 70.1 56.6
September 20 69.9 56.4
September 21 69.6 56.3
September 22 69.3 55.9
September 23 69.0 55.6
September 24 68.7 55.3
September 25 68.5 55.1
September 26 68.2 54.9
September 27 68.0 54.7
September 28 67.7 54.5
September 29 67.4 54.1
September 30 67.1 53.8
October 1 66.8 53.6
October 2 66.6 53.4
October 3 66.3 53.2
October 4 66.0 53.0
October 5 65.6 52.7
October 6 65.4 52.3
October 7 65.1 52.0
October 8 64.7 51.7
October 9 64.4 51.4
October 10 64.0 51.1
October 11 63.7 50.7
October 12 63.3 50.4
October 13 62.9 50.0
October 14 62.5 49.6
October 15 62.2 49.3
October 16 61.9 49.0
October 17 61.6 48.6
October 18 61.4 48.4
October 19 61.0 48.1
October 20 60.8 47.7
October 21 60.4 47.4
October 22 60.1 47.1
October 23 59.9 46.9
October 24 59.6 46.6
October 25 59.2 46.2
October 26 58.9 45.8
October 27 58.7 45.5
October 28 58.4 45.3
October 29 58.1 45.0
October 30 57.8 44.7
October 31 57.5 44.5
November 1 57.3 44.3
November 2 57.0 44.0
November 3 56.8 43.8
November 4 56.4 43.4
November 5 56.1 43.0
November 6 55.8 42.7
November 7 55.5 42.4
November 8 55.2 42.1
November 9 54.9 41.8
November 10 54.6 41.5
November 11 54.3 41.2
November 12 54.1 41.0
November 13 54.0 40.8
November 14 53.7 40.6
November 15 53.4 40.4
November 16 53.1 40.1
November 17 53.0 39.9
November 18 52.7 39.7
November 19 52.5 39.5
November 20 52.2 39.2
November 21 51.8 38.7
November 22 51.5 38.4
November 23 51.2 38.2
November 24 50.8 37.9
November 25 50.4 37.5
November 26 50.1 37.2
November 27 49.9 37.0
November 28 49.7 36.7
November 29 49.4 36.4
November 30 49.1 36.0
December 1 48.8 35.7
December 2 48.5 35.4
December 3 48.3 35.3
December 4 48.0 35.1
December 5 47.7 34.7
December 6 47.5 34.4
December 7 47.3 34.3
December 8 47.2 34.2
December 9 47.0 34.1
December 10 46.8 34.0
December 11 46.6 33.7
December 12 46.3 33.3
December 13 46.1 33.1
December 14 45.8 32.8
December 15 45.6 32.5
December 16 45.3 32.1
December 17 45.0 31.8
December 18 44.8 31.5
December 19 44.5 31.4
December 20 44.3 31.3
December 21 44.3 31.2
December 22 44.1 31.0
December 23 44.0 30.8
December 24 43.8 30.7
December 25 43.6 30.5
December 26 43.4 30.3
December 27 43.2 30.1
December 28 43.2 30.0
December 29 43.1 30.0
December 30 43.0 29.9
December 31 42.8 29.7
Weather Station Details
Years Station Coordinates
1948–2024 Nantucket Memorial Airport location