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Nantucket May Weather

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

Typical Nantucket May Weather 1991–2020
Average daily high	60.9 °F
Average daily low	47.3 °F
Average monthly precipitation	3.2 inches
Daily chance of precipitation	37.9%

Nantucket May Weather Records 1948–2024
Highest temperature	85 °F	May 25, 2007
Lowest temperature	28 °F	May 27, 1972
Highest daily low	60 °F	May 27, 2021
Lowest daily high	42 °F	May 5, 1978
Hottest average high temperature	64.0 °F	2015
Coldest average high temperature	54.7 °F	1967
Most daily precipitation	6.5 inches	May 25, 1967
Most monthly precipitation	10.4 inches	1967

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	56.6	43.2	71	32
May 2	56.9	43.4	77	32
May 3	57.1	43.7	77	32
May 4	57.4	43.9	77	32
May 5	57.6	44.1	71	35
May 6	57.9	44.4	69	33
May 7	58.1	44.6	70	31
May 8	58.3	44.8	82	34
May 9	58.5	45.1	71	34
May 10	58.8	45.4	74	35
May 11	59.2	45.7	79	35
May 12	59.5	46.0	84	34
May 13	59.9	46.3	76	34
May 14	60.2	46.7	73	35
May 15	60.5	47.0	75	36
May 16	60.9	47.4	80	34
May 17	61.2	47.6	78	30
May 18	61.5	47.9	83	34
May 19	61.7	48.1	74	34
May 20	61.9	48.4	71	36
May 21	62.1	48.6	73	35
May 22	62.2	48.9	70	36
May 23	62.4	49.1	82	38
May 24	62.7	49.4	80	37
May 25	63.0	49.6	85	37
May 26	63.3	49.9	78	34
May 27	63.7	50.2	77	28
May 28	64.0	50.6	77	40
May 29	64.3	50.9	78	37
May 30	64.6	51.1	78	35
May 31	64.7	51.4	83	38

Weather Station Details

Years	Station	Coordinates
1948–2024	Nantucket Memorial Airport	location