World Resorts USA St. Augustine Weather

St. Augustine Sea Temperature in October

Average sea water temperature in October:
+77.5°F
Minimum sea water temperature in October: 82.6°F
Maximum sea water temperature in October: 71.8°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 77.1°F. The highest and lowest sea temperatures during the month were 81.5°F and 73.2°F.

Monthly sea water temperature in St. Augustine, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
Key West 83.8°F 82.9°F
West Palm Beach 83.5°F 83.3°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Key Largo 83.0°F 83.1°F
Hialeah 82.9°F 83.0°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Kailua Kona 80.9°F 80.6°F
Galveston 80.8°F 78.8°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Houston 80.4°F 78.8°F
Siesta Key 80.4°F 80.7°F
Hilo 80.3°F 79.7°F
Sarasota 80.2°F 80.5°F

Best time for vacation in St. Augustine

Sunniest months:
October 15 days
April 15 days
March 14 days
Warmest months:
July 88.6 °F
August 88.3 °F
June 87.0 °F
Warmest sea temp:
August 83.6 °F
September 82.8 °F
July 82.8 °F
Coldest months:
January 63.1 °F
December 66.3 °F
February 67.8 °F
Rainiest months:
July 5 days
September 4 days
August 4 days
Windiest months:
January 7.0 mph
December 6.8 mph
October 6.8 mph

St. Augustine on a weather map

St. Augustine
+70°F
S 16 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
+57°F
+72°F
+72°F
+73°F
+66°F
+82°F
+77°F
+66°F
+48°F
+66°F
+54°F
+84°F
+86°F
+66°F
+48°F
24 Hours Forecast
St. Augustine
Local time: 12:52
April 06, monday
1500
70°F
SW
18 mph
1800
66°F
SW
20 mph
2100
66°F
S
19 mph
April 07, tuesday
0000
66°F
SW
19 mph
0300
68°F
SW
19 mph
0600
66°F
SW
20 mph
0900
66°F
SW
25 mph
1200
64°F
SW
25 mph
Units of measurement: °C / °F