Measurements:
°C
°F
St. Petersburg
84°F
SW 11 mph
Feels like: 92°F
Precip: 21%
World Resorts USA St. Petersburg Weather

St. Petersburg Sea Water Temperature

Current Sea Water Temperature:
+86.0°F
Maximum Sea Water Temperature in October: 89.6°F
Minimum Sea Water Temperature in October: 71.8°F
Average water temperature in October: 82.6°F

Sea Water Temperature for the Last 10 Days:

October 05 86.0°F September 30 86.0°F
October 04 85.6°F September 29 85.8°F
October 03 86.0°F September 28 86.2°F
October 02 86.4°F September 27 87.2°F
October 01 86.2°F September 26 87.8°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 September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for St. Petersburg was 90.8°F. The maximum and minimum values were 88.8°F and 93.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for St. Petersburg was 92.1°F. The maximum and minimum values were 89.0°F and 93.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for St. Petersburg was 90.1°F. The maximum and minimum values were 85.8°F and 92.0°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 92.2 °F
August 91.8 °F
June 90.6 °F
Warmest sea temperature:
August 91.5 °F
July 91.5 °F
September 89.2 °F
The most cold months:
January 66.0 °F
February 70.5 °F
December 70.5 °F
The most rainy months:
August 4 days
July 4 days
September 4 days
The most windy months:
April 12 mph
November 12 mph
October 12 mph

St. Petersburg on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
St. Petersburg
Local time: 19:52
05 oct, monday
2100 84°F
SW
11 mph
06 oct, tuesday
0000 82°F
W
14 mph
0300 82°F
W
12 mph
0600 82°F
W
11 mph
0900 82°F
W
9 mph
1200 82°F
SW
8 mph
1500 82°F
SW
9 mph
1800 80°F
SW
14 mph