World Resorts USA Nantucket Weather

Nantucket Sea Temperature in June

Average sea water temperature in June:
+61.9°F
Minimum sea water temperature in June: 72.0°F
Maximum sea water temperature in June: 55.0°F

Daily sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 62.4°F. The highest and lowest sea temperatures during the month were 68.7°F and 55.6°F.

Monthly sea water temperature in Nantucket, °F

Which USA resorts have warmest sea in June?

Place name June 2026 June 2025
Key West 86.9°F 85.5°F
Key Largo 86.2°F 85.2°F
Naples 86.1°F 85.9°F
Cape Coral 86.1°F 85.9°F
Clearwater Beach 85.9°F 85.7°F
Tampa 85.7°F 85.5°F
Sarasota 85.5°F 85.9°F
Siesta Key 85.4°F 85.8°F
Miami 85.4°F 85.5°F
Miami Beach 85.1°F 84.9°F
Fort Lauderdale 84.5°F 83.2°F
Galveston 84.1°F 84.6°F
New Orleans 84.1°F 84.7°F
West Palm Beach 84.0°F 83.3°F
Corpus Christi 84.0°F 85.1°F
Houston 84.0°F 84.8°F
St. George Island 83.5°F 84.6°F
Pensacola 83.1°F 84.6°F
Port St. Lucie 83.1°F 80.9°F
Orange Beach 82.8°F 84.4°F

Best time for vacation in Nantucket

Sunniest months:
June 14 days
October 13 days
July 12 days
Warmest months:
August 71.7 °F
July 71.5 °F
September 67.1 °F
Warmest sea temp:
August 71.9 °F
July 70.0 °F
September 68.4 °F
Coldest months:
February 36.1 °F
January 36.4 °F
March 40.7 °F
Rainiest months:
October 4 days
January 3 days
December 3 days
Windiest months:
January 19.0 mph
March 19.0 mph
December 18.9 mph

Nantucket on a weather map

Nantucket
+54°F
NE 4 mph
Feels like: +54°F
Precip.: 4%
Places in USA:
Name
°F
+48°F
+52°F
+77°F
+63°F
+72°F
+79°F
+72°F
+55°F
+70°F
+59°F
+70°F
+70°F
+73°F
+61°F
24 Hours Forecast
Nantucket
Local time: 00:33
October 25, sunday
0300
54°F
N
1 mph
0600
54°F
NE
3 mph
0900
54°F
N
4 mph
1200
54°F
N
4 mph
1500
54°F
N
7 mph
1800
54°F
N
9 mph
2100
55°F
N
11 mph
October 26, monday
0000
55°F
NE
11 mph
Units of measurement: °C / °F