World Resorts USA Groton Weather

Groton Sea Temperature in July

Average sea water temperature in July:
+69.1°F
Minimum sea water temperature in July: 74.5°F
Maximum sea water temperature in July: 62.4°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 69.9°F. The highest and lowest sea temperatures during the month were 72.7°F and 65.7°F.

Monthly sea water temperature in Groton, °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 Groton

Sunniest months:
November 17 days
October 14 days
September 13 days
Warmest months:
July 79.9 °F
August 78.2 °F
June 73.5 °F
Warmest sea temp:
August 70.6 °F
July 69.1 °F
September 68.8 °F
Coldest months:
January 36.7 °F
February 38.0 °F
December 41.7 °F
Rainiest months:
November 3 days
July 3 days
January 3 days
Windiest months:
January 10.1 mph
March 10.0 mph
November 9.7 mph

Groton on a weather map

Groton
+32°F
E 11 mph
Feels like: +30°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+75°F
+75°F
+54°F
+57°F
+72°F
+77°F
+70°F
+32°F
+59°F
+54°F
+63°F
+66°F
+70°F
+41°F
24 Hours Forecast
Groton
Local time: 02:37
December 23, tuesday
0300
32°F
E
11 mph
0600
32°F
E
6 mph
0900
34°F
NE
11 mph
1200
36°F
N
8 mph
1500
37°F
N
10 mph
1800
39°F
N
9 mph
2100
39°F
E
11 mph
December 24, wednesday
0000
36°F
E
14 mph
Units of measurement: °C / °F