World Resorts USA Martha's Vineyard Weather

Martha's Vineyard Sea Temperature in August

Average sea water temperature in August:
+72.0°F
Minimum sea water temperature in August: 77.0°F
Maximum sea water temperature in August: 67.3°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 69.0°F. The highest and lowest sea temperatures during the month were 72.1°F and 67.3°F.

Monthly sea water temperature in Martha's Vineyard, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Key West 88.8°F 87.8°F
Naples 88.7°F 87.0°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
Cocoa Beach 86.8°F 84.5°F
Panama City Beach 86.2°F 86.8°F
Destin 86.0°F 86.9°F
Jacksonville 84.9°F 82.9°F
Orlando 84.9°F 83.4°F
Daytona Beach 84.6°F 83.1°F
Tybee Island 84.5°F 84.0°F
Charleston (SC) 84.1°F 83.1°F
Isle of Palms 83.8°F 83.0°F

Best time for vacation in Martha's Vineyard

Sunniest months:
November 15 days
October 14 days
June 14 days
Warmest months:
July 74.0 °F
August 73.4 °F
September 69.3 °F
Warmest sea temp:
August 71.9 °F
July 70.5 °F
September 69.0 °F
Coldest months:
February 36.5 °F
January 36.6 °F
December 42.4 °F
Rainiest months:
January 3 days
October 3 days
July 2 days
Windiest months:
December 14.5 mph
January 14.5 mph
November 14.4 mph

Martha's Vineyard on a weather map

Martha's Vineyard
+79°F
NE 22 mph
Feels like: +82°F
Precip.: 10%
Places in USA:
Name
°F
+99°F
+79°F
+99°F
+75°F
+75°F
+77°F
+75°F
+84°F
+95°F
+70°F
+68°F
+84°F
+91°F
+93°F
+82°F
24 Hours Forecast
Martha's Vineyard
Local time: 18:53
July 01, wednesday
2100
73°F
NE
20 mph
July 02, thursday
0000
72°F
NE
20 mph
0300
72°F
NE
20 mph
0600
72°F
NE
18 mph
0900
70°F
NE
17 mph
1200
72°F
NE
17 mph
1500
73°F
NE
20 mph
1800
72°F
NE
19 mph
Units of measurement: °C / °F