World Resorts USA Groton Weather

Groton Sea Temperature in August

Average sea water temperature in August:
+70.6°F
Minimum sea water temperature in August: 75.4°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 70.3°F. The highest and lowest sea temperatures during the month were 74.1°F and 68.7°F.

Monthly sea water temperature in Groton, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Key West 88.8°F 87.8°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
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
West Palm Beach 86.8°F 86.2°F
Cocoa Beach 86.8°F 84.5°F
Panama City Beach 86.2°F 86.8°F
Destin 86.0°F 86.9°F
Jacksonville 84.9°F 82.9°F
Orlando 84.9°F 83.4°F
St. Augustine 84.7°F 82.9°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 74.5 °F
Warmest sea temp:
August 70.6 °F
July 69.1 °F
September 68.8 °F
Coldest months:
January 36.1 °F
February 37.4 °F
December 40.9 °F
Rainiest months:
July 3 days
November 3 days
October 3 days
Windiest months:
January 10.4 mph
December 10.2 mph
March 10.1 mph

Groton on a weather map

Groton
+75°F
N 6 mph
Feels like: +79°F
Precip.: 9%
Places in USA:
Name
°F
+79°F
+79°F
+108°F
+77°F
+88°F
+86°F
+75°F
+82°F
+86°F
+72°F
+63°F
+90°F
+86°F
+88°F
+70°F
24 Hours Forecast
Groton
Local time: 19:24
June 26, friday
2100
70°F
N
6 mph
June 27, saturday
0000
68°F
E
1 mph
0300
68°F
S
2 mph
0600
66°F
S
4 mph
0900
70°F
S
5 mph
1200
75°F
N
6 mph
1500
70°F
NE
7 mph
1800
70°F
NE
7 mph
Units of measurement: °C / °F