World Resorts USA Block Island Weather

Block Island Sea Temperature in July

Average sea water temperature in July:
+68.4°F
Minimum sea water temperature in July: 73.0°F
Maximum sea water temperature in July: 63.3°F

Daily sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 67.3°F. The highest and lowest sea temperatures during the month were 69.3°F and 65.5°F.

Monthly sea water temperature in Block Island, °F

Which USA resorts have warmest sea in July?

Place name July 2026 July 2025
Key West 88.5°F 86.7°F
Clearwater Beach 87.9°F 87.1°F
Naples 87.7°F 86.6°F
Tampa 87.6°F 86.8°F
Sarasota 87.6°F 86.9°F
New Orleans 87.5°F 87.4°F
Miami 87.4°F 86.3°F
Miami Beach 87.0°F 86.0°F
Houston 86.7°F 86.3°F
Hilton Head Island 86.3°F 85.7°F
Edisto Beach 86.3°F 85.3°F
St. George Island 86.3°F 86.4°F
Tybee Island 86.3°F 85.4°F
West Palm Beach 86.1°F 84.6°F
Panama City Beach 86.0°F 86.3°F
Santa Rosa Beach 85.9°F 86.2°F
Pensacola Beach 85.8°F 86.7°F
Destin 85.8°F 86.3°F
Charleston (SC) 85.8°F 84.7°F
Fort Walton Beach 85.5°F 86.1°F

Best time for vacation in Block Island

Sunniest months:
November 16 days
December 14 days
June 14 days
Warmest months:
July 74.8 °F
August 73.5 °F
September 68.8 °F
Warmest sea temp:
August 70.1 °F
July 68.4 °F
September 68.3 °F
Coldest months:
January 36.8 °F
February 36.9 °F
December 42.5 °F
Rainiest months:
October 4 days
January 3 days
March 3 days
Windiest months:
December 16.1 mph
January 16.0 mph
November 15.7 mph

Block Island on a weather map

Block Island
+72°F
SE 11 mph
Feels like: +77°F
Precip.: 12%
Places in USA:
Name
°F
+72°F
+81°F
+79°F
+86°F
+70°F
+81°F
+75°F
+81°F
+75°F
+70°F
+59°F
+68°F
+81°F
+82°F
+72°F
24 Hours Forecast
Block Island
Local time: 23:07
August 14, friday
0000
72°F
SE
11 mph
0300
72°F
SE
11 mph
0600
68°F
S
9 mph
0900
72°F
SE
6 mph
1200
75°F
NE
7 mph
1500
77°F
NE
12 mph
1800
75°F
NE
11 mph
2100
72°F
S
4 mph
Units of measurement: °C / °F