Measurements:
°C
°F
CURRENT WEATHER
00:38
Block Island
54°F
S 15 mph
Feels like: 48°F
Precip: 79%
World Resorts USA Block Island Weather

7 Day Weather Forecast

05.19
sun
DAY
54°F
SW 19 mph
precip
80%
NIGHT
52°F
SW 16 mph
precip
84%
05.20
mon
DAY
56°F
W 7 mph
precip
0%
NIGHT
54°F
NE 8 mph
precip
0%
05.21
tue
DAY
56°F
NE 15 mph
precip
0%
NIGHT
56°F
NE 16 mph
precip
0%
05.22
wed
DAY
58°F
NE 17 mph
precip
0%
NIGHT
58°F
NE 16 mph
precip
0%
05.23
thu
DAY
58°F
NE 19 mph
precip
100%
NIGHT
58°F
E 9 mph
precip
0%
05.24
fri
DAY
60°F
E 12 mph
precip
0%
NIGHT
58°F
E 8 mph
precip
0%
05.25
sat
DAY
58°F
N 6 mph
precip
0%
NIGHT
56°F
NE 6 mph
precip
0%

Block Island Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Block Island was 11.6°F. The maximum and minimum values were 9.0°F and 14.1°F respectively.

Block Island on the Weather Map

Best Time to Visit Block Island
The most sunny months:
September 15 days
November 15 days
June 13 days
The most warm months:
July 78.3 °F
August 77.7 °F
September 71.5 °F
Warmest sea temperature:
August 72.7 °F
September 70.9 °F
July 70.7 °F
The most cold months:
February 36.5 °F
January 36.6 °F
March 42.0 °F
The most rainy months:
November 4 days
October 4 days
February 3 days
The most windy months:
December 15 mph
March 14 mph
January 14 mph
more details