Measurements:
°C
°F
St. Petersburg
84°F
SE 5 mph
Feels like: 92°F
Precip: 9%
World Resorts USA St. Petersburg Weather

St. Petersburg Sea Water Temperature

Current Sea Water Temperature:
+93.0°F
Maximum Sea Water Temperature in June: 93.0°F
Minimum Sea Water Temperature in June: 83.8°F
Average water temperature in June: 88.9°F

Sea Water Temperature for the Last 10 Days:

June 24 93.0°F June 19 91.0°F
June 23 92.2°F June 18 91.0°F
June 22 91.8°F June 17 90.4°F
June 21 91.4°F June 16 90.0°F
June 20 90.6°F June 15 89.8°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: 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: 2025 2024 2023

The average sea surface temperature in July 2025 for St. Petersburg was 91.2°F. The maximum and minimum values were 89.0°F and 94.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for St. Petersburg was 87.9°F. The maximum and minimum values were 85.4°F and 90.4°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 89.6 °F
Warmest sea temperature:
August 91.6 °F
July 91.3 °F
September 89.0 °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
Chicago +66
Hawaii +80
Honolulu +80
Houston +82
Las Vegas +96
Los Angeles +66
Maui +74
Miami +80
Miami Beach +88
Myrtle Beach +78
New York +70
San Diego +68
San Francisco +58
Sarasota +84
Tampa +84
24 Hours Weather Forecast
St. Petersburg
Local time: 00:24
25 jun, thursday
0300 82°F
W
4 mph
0600 84°F
NW
4 mph
0900 88°F
N
8 mph
1200 90°F
NE
9 mph
1500 90°F
NE
14 mph
1800 90°F
NE
9 mph
2100 88°F
SE
3 mph
26 jun, friday
0000 84°F
NW
16 mph