Nantucket Weather Year-Round — Best Time to Visit
Nantucket, United States has cool weather year-round. The best time to visit is July (score: 78/100). Annual average high: 12.1°C, total rainfall: 1200mm.
When is the best time to visit Nantucket?
78
July is the best month to visit Nantucket with a travel score of 78/100 (Good).
Expect highs of 20.5°C, 8 rain days, and 11.8 hours of daily sunshine.
View July weather details →Travel Score by Month
40
Jan
44
Feb
48
Mar
54
Apr
62
May
70
Jun
78
Jul
78
Aug
75
Sep
64
Oct
55
Nov
44
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Nantucket each month?
12.1°C
Avg High
9.4°C
Avg Low
1200mm
Annual Rain
How much rain does Nantucket get?
Nantucket receives 1200mm of rain annually. The wettest month is typically October with 124mm, while July is the driest.
What is the weather like each month in Nantucket?
January
40
5°C
Low: 0°C
12 rain days
Poor
February
44
4°C
Low: 0°C
10 rain days
Mixed
March
48
5°C
Low: 2°C
10 rain days
Mixed
April
54
8°C
Low: 6°C
11 rain days
Mixed
May
62
12°C
Low: 10°C
10 rain days
Good
June
70
16°C
Low: 15°C
9 rain days
Good
July
Best time to visit78
21°C
Low: 19°C
8 rain days
Good
August
78
21°C
Low: 20°C
8 rain days
Good
September
75
19°C
Low: 17°C
8 rain days
Good
October
64
16°C
Low: 13°C
9 rain days
Good
November
55
11°C
Low: 8°C
9 rain days
Mixed
December
44
7°C
Low: 3°C
11 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31