World Resorts USA St. Augustine Weather

St. Augustine Sea Temperature in May

Average sea water temperature in May:
+76.0°F
Minimum sea water temperature in May: 82.2°F
Maximum sea water temperature in May: 70.9°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 76.7°F. The highest and lowest sea temperatures during the month were 82.2°F and 71.4°F.

Monthly sea water temperature in St. Augustine, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
St. Petersburg 82.0°F 82.6°F
Tampa 81.9°F 82.7°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
Hilo 78.1°F 77.7°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F
Hawaii 77.9°F 78.0°F
Molokai 77.7°F 78.0°F

Best time for vacation in St. Augustine

Sunniest months:
April 17 days
October 15 days
March 14 days
Warmest months:
July 88.6 °F
August 88.3 °F
June 87.1 °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
April 6.9 mph
December 6.8 mph

St. Augustine on a weather map

St. Augustine
+86°F
NW 11 mph
Feels like: +97°F
Precip.: 8%
Places in USA:
Name
°F
+68°F
+79°F
+97°F
+73°F
+84°F
+86°F
+75°F
+84°F
+72°F
+66°F
+70°F
+86°F
+84°F
+95°F
+75°F
24 Hours Forecast
St. Augustine
Local time: 19:35
June 28, sunday
2100
81°F
N
11 mph
June 29, monday
0000
79°F
N
10 mph
0300
77°F
NE
8 mph
0600
77°F
E
7 mph
0900
84°F
E
7 mph
1200
93°F
S
2 mph
1500
91°F
W
8 mph
1800
86°F
N
5 mph
Units of measurement: °C / °F