World Resorts USA Block Island Weather

Block Island sea water temperature

Current sea water temperature:
+46.6°F
Minimum sea water temperature in April: 48.6°F
Maximum sea water temperature in April: 41.5°F
Average sea water temperature in April: 45.0°F

Sea water temperature for the last 10 days:

April 28 46.6°F April 23 46.2°F
April 27 46.6°F April 22 46.0°F
April 26 46.2°F April 21 46.0°F
April 25 46.9°F April 20 45.0°F
April 24 46.2°F April 19 46.0°F

When is the warmest sea in Block Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Block Island was noticed in August, September and July.

Monthly Sea Temperatures in Block Island, °F

Sea water temperature in August, °F

Show year:
2023
2022
2021

The average sea water temperature in August of 2023 was 69.2°F. The highest and lowest sea temperatures during the month were 70.5°F and 67.5°F.

Sea water temperature in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 68.0°F. The highest and lowest sea temperatures during the month were 71.8°F and 62.8°F.

Sea water temperature in July, °F

Show year:
2023
2022
2021

The average sea water temperature in July of 2023 was 70.2°F. The highest and lowest sea temperatures during the month were 73.0°F and 65.1°F.

Best time for vacation in Block Island

Sunniest months:
September 15 days
November 15 days
June 13 days
Warmest months:
July 75.5 °F
August 74.9 °F
September 69.4 °F
Warmest sea temp:
August 70.5 °F
September 68.8 °F
July 68.7 °F
Coldest months:
February 37.8 °F
January 37.9 °F
March 42.8 °F
Rainiest months:
November 4 days
October 4 days
February 3 days
Windiest months:
December 14.9 mph
March 14.9 mph
January 14.7 mph

Block Island on a weather map

Block Island
+52°F
NE 11 mph
Feels like: +48°F
Precip.: 100%
Places in USA:
Name
°F
+59°F
+66°F
+75°F
+75°F
+73°F
+64°F
+75°F
+66°F
+66°F
+63°F
+54°F
+70°F
+70°F
+75°F
+64°F
24 Hours Forecast
Block Island
Local time: 23:24
April 29, monday
0000
52°F
NE
11 mph
0300
52°F
E
11 mph
0600
54°F
SE
12 mph
0900
55°F
S
9 mph
1200
55°F
W
11 mph
1500
52°F
NW
11 mph
1800
50°F
NW
12 mph
2100
50°F
NW
9 mph
Units of measurement: °C / °F