Measurements:
°C
°F
Block Island
32°F
E 18 mph
Feels like: 22°F
Precip: 0%
World Resorts USA Block Island Weather

7 Day Weather Forecast

12.13
sat
DAY
38°F
NE 22 mph
precip
0%
NIGHT
38°F
E 17 mph
precip
100%
12.14
sun
DAY
32°F
SE 17 mph
precip
100%
NIGHT
26°F
SE 25 mph
precip
0%
12.15
mon
DAY
28°F
SE 23 mph
precip
0%
NIGHT
30°F
E 17 mph
precip
100%
12.16
tue
DAY
30°F
SE 14 mph
precip
0%
NIGHT
36°F
NE 13 mph
precip
0%
12.17
wed
DAY
44°F
NE 28 mph
precip
0%
NIGHT
44°F
E 19 mph
precip
0%
12.18
thu
DAY
44°F
NE 10 mph
precip
100%
NIGHT
48°F
E 25 mph
precip
0%
12.19
fri
DAY
42°F
E 30 mph
precip
0%
NIGHT
32°F
SE 15 mph
precip
0%

Block Island Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Block Island was 9.7°F. The maximum and minimum values were 7.7°F and 12.3°F respectively.

Block Island on the Weather Map

Best Time to Visit Block Island
The most sunny months:
November 16 days
September 14 days
October 14 days
The most warm months:
July 77.2 °F
August 76.1 °F
September 70.9 °F
Warmest sea temperature:
August 72.3 °F
July 70.7 °F
September 70.3 °F
The most cold months:
January 36.0 °F
February 36.1 °F
March 41.8 °F
The most rainy months:
October 4 days
January 3 days
March 3 days
The most windy months:
November 16 mph
January 16 mph
March 15 mph