World Resorts USA Martha's Vineyard Weather

Martha's Vineyard Sea Temperature in July

Average sea water temperature in July:
+70.5°F
Minimum sea water temperature in July: 75.9°F
Maximum sea water temperature in July: 64.4°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 71.1°F and 64.4°F.

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

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Pass Christian 87.3°F 86.7°F
Bay Saint Louis 87.2°F 86.7°F
Clearwater Beach 87.1°F 88.3°F
St. Petersburg 87.0°F 88.0°F
Sarasota 86.9°F 87.9°F
Sanibel Island 86.9°F 87.7°F
Siesta Key 86.9°F 87.9°F
Pensacola 86.9°F 87.3°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Orange Beach 86.7°F 86.7°F
Pensacola Beach 86.7°F 87.1°F
Marco Island 86.6°F 87.4°F
Naples 86.6°F 87.2°F
Cape Coral 86.4°F 87.2°F
Galveston 86.4°F 86.3°F
Islamorada 86.4°F 87.4°F
Galveston Island 86.4°F 86.4°F
Miami 86.3°F 86.9°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:
January 14.5 mph
November 14.4 mph
March 14.2 mph

Martha's Vineyard on a weather map

Martha's Vineyard
+32°F
E 8 mph
Feels like: +27°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+73°F
+73°F
+55°F
+59°F
+68°F
+72°F
+66°F
+28°F
+63°F
+54°F
+59°F
+57°F
+68°F
+39°F
24 Hours Forecast
Martha's Vineyard
Local time: 03:49
December 25, thursday
0600
32°F
NE
14 mph
0900
36°F
NE
17 mph
1200
39°F
E
23 mph
1500
41°F
E
18 mph
1800
39°F
SE
17 mph
2100
30°F
SE
24 mph
December 26, friday
0000
25°F
SE
23 mph
0300
19°F
SE
21 mph
Units of measurement: °C / °F