What is the current water temperature in Saint Petersburg?

Q: What is the current water temperature in Saint Petersburg?

As of now, in Saint Petersburg, the water temperature is 18.98°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

Russian Federation > Saint Petersburg

Water temperature in Saint Petersburg

Detailed information about the current water temperature in Saint Petersburg. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

66.2

°F

August 1, 04:31

Trend:

stable

Yesterday:

66.5°F

Tomorrow:

66.3°F

Sunrise:

04:39

Sunset:

21:30

Day Length:

16 h. 51 min.

Saint Petersburg in August

Minimum:

32.0°F

Average:

32.1°F

Maximum:

33.0°F

Sea water temperature in Saint Petersburg today

As of now, in Saint Petersburg, the water temperature is 66.2°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.1°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 72.1°F on 2025, while the historical minimum was 63.1°F on 2023.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 65.1°F, the minimum temperature may reach 63.9°F, and the maximum might stay at 66.3°F.

Daily water temperature in Saint Petersburg

Date	Current Year actual* / forecast**	last year	10 years average
Jul 18	67.2°F	66.5°F	65.9°F
Jul 19	67.8°F	65.4°F	66.0°F
Jul 20	67.9°F	67.7°F	66.1°F
Jul 21	67.8°F	68.8°F	66.5°F
Jul 22	67.8°F	68.1°F	66.3°F
Jul 23	67.3°F	68.5°F	66.3°F
Jul 24	67.4°F	69.2°F	66.2°F
Jul 25	67.2°F	70.9°F	66.8°F
Jul 26	68.5°F	72.1°F	67.2°F
Jul 27	68.2°F	72.1°F	67.7°F
Jul 28	67.6°F	73.5°F	67.5°F
Jul 29	67.5°F	73.4°F	67.4°F
Jul 30	67.0°F	72.0°F	67.4°F
Jul 31	66.5°F	73.4°F	67.6°F
Aug 1	66.2°F	72.1°F	67.3°F
Aug 2	66.3°F	71.9°F	67.5°F
Aug 3	65.2°F	67.3°F	66.4°F
Aug 4	65.4°F	66.9°F	66.5°F
Aug 5	65.0°F	67.9°F	66.1°F
Aug 6	64.9°F	67.8°F	66.0°F
Aug 7	65.0°F	67.2°F	66.2°F
Aug 8	63.9°F	62.9°F	65.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Saint Petersburg by month

In an average year, Saint Petersburg offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Saint Petersburg was recorded on July 17, 2021, reaching a 76.5°F. While the coldest temperature occurred on January 2, 2016, dipping to 32.0°F. The average readings by season are 32.7°F in Winter, 39.1°F in Spring, 63.1°F in Summer, and 47.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kalininskiy	66.3°F	5mi
Lomonosov	67.6°F	19mi
Zelenogorsk	67.1°F	28mi

* current water temperature in this city

** straight line distance from Saint Petersburg