World Resorts USA St. Augustine Weather

St. Augustine sea water temperature

Current sea water temperature:
+69.8°F
Minimum sea water temperature in November: 78.6°F
Maximum sea water temperature in November: 64.2°F
Average sea water temperature in November: 71.2°F

Sea water temperature for the last 10 days:

October 28 69.8°F October 23 73.2°F
October 27 70.5°F October 22 74.1°F
October 26 71.4°F October 21 76.3°F
October 25 72.1°F October 20 77.9°F
October 24 72.3°F October 19 79.7°F

When is the warmest sea in St. Augustine?

Based on the data about daily sea water temperature for the last three years the warmest sea in St. Augustine was noticed in August, July and September.

Monthly Sea Temperatures in St. Augustine, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 82.1°F. The highest and lowest sea temperatures during the month were 84.4°F and 80.4°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 84.0°F. The highest and lowest sea temperatures during the month were 85.6°F and 81.9°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 82.9°F. The highest and lowest sea temperatures during the month were 84.4°F and 80.8°F.

Best time for vacation in St. Augustine

Sunniest months:
April 17 days
May 14 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:
October 7.9 mph
January 7.0 mph
April 6.9 mph

St. Augustine on a weather map

St. Augustine
+77°F
NW 12 mph
Feels like: +81°F
Precip.: 22%
Places in USA:
Name
°F
+72°F
+73°F
+77°F
+63°F
+68°F
+82°F
+70°F
+68°F
+70°F
+57°F
+68°F
+86°F
+84°F
+75°F
+63°F
24 Hours Forecast
St. Augustine
Local time: 13:19
November 04, wednesday
1500
75°F
NW
11 mph
1800
75°F
W
11 mph
2100
75°F
W
12 mph
November 05, thursday
0000
73°F
NW
9 mph
0300
73°F
NW
7 mph
0600
73°F
N
3 mph
0900
75°F
N
1 mph
1200
77°F
W
7 mph
Units of measurement: °C / °F