< Previous Month Next Month >

Nantucket July Weather

Averages and records for weather in Nantucket, Massachusetts in the month of July.

Typical Nantucket July Weather 1991–2020
Average daily high	75.6 °F
Average daily low	62.8 °F
Average monthly precipitation	2.4 inches
Daily chance of precipitation	38.3%

Nantucket July Weather Records 1948–2024
Highest temperature	92 °F	July 1, 1964
Lowest temperature	47 °F	July 11, 2009
Highest daily low	75 °F	July 25, 2022
Lowest daily high	61 °F	July 6, 1958
Hottest average high temperature	80.4 °F	2022
Coldest average high temperature	72.1 °F	1959
Most daily precipitation	4.4 inches	July 4, 1978
Most monthly precipitation	7.5 inches	1958

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
July 1	73.1	60.2	92	54
July 2	73.4	60.5	84	53
July 3	73.6	60.7	87	50
July 4	73.8	61.1	90	50
July 5	74.1	61.3	85	51
July 6	74.3	61.5	91	50
July 7	74.5	61.7	85	50
July 8	74.7	61.9	88	47
July 9	74.9	62.1	86	50
July 10	75.1	62.2	85	49
July 11	75.1	62.4	84	47
July 12	75.2	62.5	85	48
July 13	75.3	62.5	88	53
July 14	75.4	62.7	89	52
July 15	75.6	62.8	83	54
July 16	75.7	62.9	87	52
July 17	75.7	62.9	88	53
July 18	75.8	63.0	90	53
July 19	75.9	63.0	91	55
July 20	76.0	63.2	88	53
July 21	76.0	63.3	88	50
July 22	76.1	63.4	88	52
July 23	76.2	63.4	89	52
July 24	76.2	63.4	88	52
July 25	76.3	63.5	85	55
July 26	76.3	63.5	84	52
July 27	76.4	63.6	88	51
July 28	76.4	63.7	88	55
July 29	76.5	63.8	90	53
July 30	76.5	63.9	86	53
July 31	76.5	63.9	88	50

Weather Station Details

Years	Station	Coordinates
1948–2024	Nantucket Memorial Airport	location