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
Sanibel Island 88.8°F 87.3°F
Everglades 88.8°F 87.0°F
Islamorada 88.8°F 87.3°F
Key West 88.8°F 87.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Galveston 87.9°F 88.3°F
Galveston Island 87.8°F 88.5°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

Best time for vacation in Martha's Vineyard

Sunniest months:
November 15 days
October 14 days
September 13 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:
January 37.0 °F
February 37.1 °F
March 42.2 °F
Rainiest months:
January 3 days
April 3 days
October 3 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
+43°F
E 9 mph
Feels like: +37°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+73°F
+73°F
+36°F
+48°F
+70°F
+75°F
+66°F
+41°F
+46°F
+45°F
+66°F
+68°F
+63°F
+37°F
24 Hours Forecast
Martha's Vineyard
Local time: 05:36
January 10, saturday
0600
43°F
E
9 mph
0900
39°F
SE
6 mph
1200
39°F
SW
3 mph
1500
39°F
W
8 mph
1800
37°F
W
12 mph
2100
37°F
W
22 mph
January 11, sunday
0000
37°F
W
17 mph
0300
37°F
S
8 mph
Units of measurement: °C / °F