World Resorts USA St. Petersburg Weather

St. Petersburg sea water temperature

Current sea water temperature:
+88.5°F
Minimum sea water temperature in June: 88.7°F
Maximum sea water temperature in June: 80.4°F
Average sea water temperature in June: 85.1°F

Sea water temperature for the last 10 days:

June 25 88.5°F June 20 86.5°F
June 24 88.7°F June 19 86.9°F
June 23 88.0°F June 18 86.9°F
June 22 87.6°F June 17 86.4°F
June 21 87.3°F June 16 86.0°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 September.

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:
2025
2024
2023

The average sea water temperature in July of 2025 was 87.0°F. The highest and lowest sea temperatures during the month were 89.6°F and 85.1°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.1°F. The highest and lowest sea temperatures during the month were 86.4°F and 81.9°F.

Best time for vacation in St. Petersburg

Sunniest months:
May 20 days
March 20 days
April 20 days
Warmest months:
July 87.5 °F
August 87.4 °F
June 85.6 °F
Warmest sea temp:
August 87.5 °F
July 87.2 °F
September 85.1 °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
+77°F
N 11 mph
Feels like: +81°F
Precip.: 9%
Places in USA:
Name
°F
+64°F
+77°F
+86°F
+61°F
+77°F
+84°F
+72°F
+73°F
+68°F
+63°F
+54°F
+77°F
+77°F
+79°F
+66°F
24 Hours Forecast
St. Petersburg
Local time: 03:12
June 26, friday
0600
75°F
N
8 mph
0900
84°F
NW
7 mph
1200
90°F
N
6 mph
1500
88°F
NE
8 mph
1800
86°F
E
11 mph
2100
86°F
SE
10 mph
June 27, saturday
0000
84°F
SW
2 mph
0300
84°F
W
4 mph
Units of measurement: °C / °F