Measurements:
°C
°F
St. Petersburg
98°F
E 12 mph
Feels like: 108°F
Precip: 4%
World Resorts USA St. Petersburg Weather

St. Petersburg Sea Water Temperature

Current Sea Water Temperature:
+92.6°F
Maximum Sea Water Temperature in July: 94.2°F
Minimum Sea Water Temperature in July: 87.0°F
Average water temperature in July: 91.5°F

Sea Water Temperature for the Last 10 Days:

July 15 92.6°F July 10 93.6°F
July 14 92.8°F July 09 93.0°F
July 13 93.0°F July 08 93.0°F
July 12 93.0°F July 07 92.4°F
July 11 93.6°F July 06 92.8°F

When is the Warmest Sea for St. Petersburg?

According to our data for the last three years for St. Petersburg the highest average sea water temperature was in August, July and June.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for St. Petersburg was 93.0°F. The maximum and minimum values were 90.0°F and 96.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for St. Petersburg was 92.9°F. The maximum and minimum values were 92.4°F and 93.6°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for St. Petersburg was 89.9°F. The maximum and minimum values were 86.2°F and 93.6°F respectively.

Best Time to Visit St. Petersburg
The most sunny months:
May 20 days
March 20 days
April 20 days
The most warm months:
July 91.7 °F
August 91.5 °F
June 90.6 °F
Warmest sea temperature:
August 91.6 °F
July 91.3 °F
June 89.1 °F
The most cold months:
January 66.0 °F
February 70.5 °F
December 70.5 °F
The most rainy months:
July 4 days
September 4 days
August 3 days
The most windy months:
April 12 mph
November 12 mph
October 12 mph

St. Petersburg on the Weather Map

USA Resorts:
NAME
Boston +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
St. Petersburg
Local time: 16:00
15 jul, wednesday
1800 96°F
E
14 mph
2100 90°F
SE
10 mph
16 jul, thursday
0000 86°F
SE
9 mph
0300 90°F
SE
11 mph
0600 90°F
SE
12 mph
0900 90°F
SE
11 mph
1200 92°F
SE
12 mph
1500 94°F
E
14 mph