World Resorts USA St. Augustine Weather

St. Augustine Sea Temperature in March

Average sea water temperature in March:
+64.2°F
Minimum sea water temperature in March: 71.4°F
Maximum sea water temperature in March: 58.5°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 62.8°F. The highest and lowest sea temperatures during the month were 66.0°F and 58.5°F.

Monthly sea water temperature in St. Augustine, °F

Which USA resorts have warmest sea in March?

Place name March 2026 March 2025
West Palm Beach 77.1°F 75.8°F
Key Largo 76.8°F 75.1°F
Miami Beach 76.8°F 75.3°F
Honolulu 76.7°F 76.8°F
Fort Lauderdale 76.6°F 75.8°F
Hawaii 76.5°F 76.7°F
Kauai 76.5°F 75.0°F
Key West 76.5°F 74.5°F
Miami 76.0°F 74.4°F
Maui 75.5°F 76.0°F
Oahu 74.9°F 75.7°F
Cape Coral 73.9°F 71.7°F
Port St. Lucie 73.8°F 71.5°F
Naples 72.6°F 71.4°F
Corpus Christi 71.9°F 67.0°F
Tampa 71.7°F 69.3°F
Cocoa Beach 71.7°F 70.0°F
Sarasota 70.6°F 68.6°F
Clearwater Beach 70.2°F 67.6°F
Siesta Key 70.1°F 68.5°F

Best time for vacation in St. Augustine

Sunniest months:
April 17 days
October 15 days
March 14 days
Warmest months:
July 89.1 °F
August 88.4 °F
June 87.1 °F
Warmest sea temp:
August 83.4 °F
July 82.9 °F
September 82.8 °F
Coldest months:
January 63.1 °F
December 66.3 °F
February 67.8 °F
Rainiest months:
July 5 days
September 5 days
August 4 days
Windiest months:
January 7.0 mph
April 6.9 mph
December 6.8 mph

St. Augustine on a weather map

St. Augustine
+79°F
SW 4 mph
Feels like: +82°F
Precip.: 6%
Places in USA:
Name
°F
+64°F
+70°F
+75°F
+52°F
+68°F
+82°F
+64°F
+72°F
+70°F
+68°F
+57°F
+64°F
+77°F
+77°F
+63°F
24 Hours Forecast
St. Augustine
Local time: 08:48
October 14, wednesday
0900
79°F
SW
4 mph
1200
81°F
SW
7 mph
1500
81°F
SW
7 mph
1800
79°F
W
8 mph
2100
79°F
W
8 mph
October 15, thursday
0000
79°F
NW
9 mph
0300
77°F
NW
7 mph
0600
77°F
NW
5 mph
Units of measurement: °C / °F