Measurements:
°C
°F
Nantucket
20°F
SE 22 mph
Feels like: 4°F
Precip: 0%
World Resorts USA Nantucket Weather

7 Day Weather Forecast

12.22
sun
DAY
20°F
SE 19 mph
precip
0%
NIGHT
24°F
SE 12 mph
precip
0%
12.23
mon
DAY
28°F
NE 6 mph
precip
0%
NIGHT
36°F
N 20 mph
precip
0%
12.24
tue
DAY
44°F
E 21 mph
precip
0%
NIGHT
34°F
S 19 mph
precip
0%
12.25
wed
DAY
36°F
S 16 mph
precip
0%
NIGHT
40°F
S 14 mph
precip
100%
12.26
thu
DAY
40°F
W 2 mph
precip
100%
NIGHT
38°F
S 14 mph
precip
80%
12.27
fri
DAY
38°F
S 21 mph
precip
100%
NIGHT
38°F
SW 23 mph
precip
100%
12.28
sat
DAY
40°F
SW 22 mph
precip
71%
NIGHT
40°F
SW 21 mph
precip
0%

Nantucket Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Nantucket was 7.2°F. The maximum and minimum values were 6.0°F and 9.3°F respectively.

Nantucket on the Weather Map

Best Time to Visit Nantucket
The most sunny months:
June 14 days
September 13 days
July 12 days
The most warm months:
August 73.6 °F
July 73.0 °F
September 68.8 °F
Warmest sea temperature:
August 74.9 °F
July 72.7 °F
September 70.8 °F
The most cold months:
February 35.6 °F
January 36.3 °F
March 39.2 °F
The most rainy months:
January 4 days
October 4 days
March 3 days
The most windy months:
March 19 mph
December 19 mph
January 18 mph