Saint Petersburg Water Temperature

(Today) 2021

18.4°C / 65.1°F

Current weather

13°C / 55°F
(mist)

Partly cloudy

Wind

1 mph

Humidity

70%


The measurements for the water temperature in Saint Petersburg, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Monthly average water temp

Monthly average max / min water temperatures

The graph below shows the range of monthly Saint Petersburg water temperature derived from many years of historical sea surface temperature data.

Saint Petersburg average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Saint Petersburg
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 15.1 15.2 16.6 19.9 22.6 25.8 28.3 29.1 28.3 25.1 21.2 18.4
Max °C 20.4 20.8 22 25.7 28.7 30.3 31 31.7 30.2 29.5 26.5 22.3
Min °F 61.3 61.6 64 70.1 75.1 80.2 84 85.4 83.7 78.9 72.2 66.6
Max °F 66.6 67.2 69.4 75.9 81.2 84.7 86.7 88 85.6 83.3 77.5 70.5

The warmest water temperature is in August with an average around 86.7°F / 30.4°C. The coldest month is January with an average water temperature of 63.9°F / 17.7°C.