World Resorts USA St. Petersburg Weather

St. Petersburg sea water temperature

Current sea water temperature:
+85.5°F
Minimum sea water temperature in August: 91.4°F
Maximum sea water temperature in August: 83.8°F
Average sea water temperature in August: 87.4°F

Sea water temperature for the last 10 days:

August 9 85.5°F August 4 84.9°F
August 8 85.3°F August 3 86.0°F
August 7 85.1°F August 2 86.2°F
August 6 85.1°F August 1 86.5°F
August 5 84.9°F July 31 86.5°F

When is the warmest sea in St. Petersburg?

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

Monthly Sea Temperatures in St. Petersburg, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 88.7°F. The highest and lowest sea temperatures during the month were 91.4°F and 86.0°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 87.9°F. The highest and lowest sea temperatures during the month were 89.2°F and 85.1°F.

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 86.0°F. The highest and lowest sea temperatures during the month were 89.2°F and 82.6°F.

Best time for vacation in St. Petersburg

Sunniest months:
May 20 days
March 20 days
April 20 days
Warmest months:
July 88.0 °F
August 87.4 °F
June 86.5 °F
Warmest sea temp:
August 87.5 °F
July 87.3 °F
June 85.2 °F
Coldest months:
January 64.4 °F
February 68.4 °F
December 68.4 °F
Rainiest months:
July 4 days
September 4 days
August 3 days
Windiest months:
April 12.2 mph
November 12.1 mph
October 12.1 mph

St. Petersburg on a weather map

St. Petersburg
+81°F
SE 6 mph
Feels like: +88°F
Precip.: 12%
Places in USA:
Name
°F
+79°F
+88°F
+81°F
+108°F
+84°F
+82°F
+77°F
+81°F
+82°F
+79°F
+64°F
+77°F
+82°F
+82°F
+72°F
24 Hours Forecast
St. Petersburg
Local time: 21:33
August 10, monday
0000
79°F
SW
11 mph
0300
77°F
NW
11 mph
0600
77°F
NW
9 mph
0900
82°F
NW
7 mph
1200
86°F
N
6 mph
1500
88°F
E
6 mph
1800
88°F
E
11 mph
2100
86°F
SE
11 mph
Units of measurement: °C / °F