World Resorts USA Nantucket Weather

Nantucket Sea Temperature in June

Average sea water temperature in June:
+61.8°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:
2025
2024
2023

The average sea water temperature in June of 2025 was 60.6°F. The highest and lowest sea temperatures during the month were 66.9°F and 55.9°F.

Monthly sea water temperature in Nantucket, °F

Which USA resorts have warmest sea in June?

Place name June 2025 June 2024
Sanibel Island 86.2°F 85.8°F
Everglades 86.1°F 86.0°F
Marco Island 85.9°F 86.2°F
Naples 85.9°F 85.9°F
Sarasota 85.9°F 85.8°F
Siesta Key 85.8°F 85.7°F
St. Petersburg 85.8°F 86.0°F
Clearwater Beach 85.7°F 86.3°F
Key West 85.5°F 85.9°F
Miami 85.5°F 84.8°F
Tampa 85.5°F 85.9°F
Islamorada 85.3°F 86.0°F
Key Largo 85.2°F 85.6°F
Corpus Christi 85.1°F 86.6°F
Pass Christian 85.1°F 84.6°F
Bay Saint Louis 84.9°F 84.6°F
Miami Beach 84.9°F 84.6°F
Galveston Island 84.8°F 85.8°F
Houston 84.8°F 85.2°F
New Orleans 84.7°F 84.9°F

Best time for vacation in Nantucket

Sunniest months:
June 13 days
September 13 days
October 13 days
Warmest months:
August 70.9 °F
July 70.6 °F
September 67.1 °F
Warmest sea temp:
August 72.0 °F
July 70.1 °F
September 68.5 °F
Coldest months:
February 36.5 °F
January 36.9 °F
March 40.4 °F
Rainiest months:
January 4 days
October 4 days
December 3 days
Windiest months:
March 19.1 mph
January 19.0 mph
December 18.9 mph

Nantucket on a weather map

Nantucket
+30°F
E 33 mph
Feels like: +19°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+73°F
+73°F
+39°F
+52°F
+68°F
+72°F
+66°F
+32°F
+52°F
+45°F
+52°F
+50°F
+45°F
+27°F
24 Hours Forecast
Nantucket
Local time: 09:09
January 12, monday
1200
36°F
E
30 mph
1500
37°F
E
24 mph
1800
39°F
E
22 mph
2100
37°F
NE
21 mph
January 13, tuesday
0000
39°F
E
22 mph
0300
37°F
E
20 mph
0600
37°F
E
17 mph
0900
37°F
E
15 mph
Units of measurement: °C / °F