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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.
Sea temperature in Saint Petersburg now

63.9

°F

August 14, 13:48

Trend:

stable

Yesterday:

61.9°F

Tomorrow:

63.8°F

Sunrise:

05:10

Sunset:

20:56

Day Length:

15 h. 46 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 63.9°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 about the same as the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 66.4°F on 2018, while the historical minimum was 61.1°F on 2025.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 64.6°F, with minimum temperature starting at 62.7°F, while the maximum might reach 65.3°F.

Daily water temperature in Saint Petersburg

Date Current Year

actual* / forecast**

 last year 10 years average
Jul 31 66.5°F 73.4°F 67.5°F
Aug 1 67.3°F 72.1°F 67.3°F
Aug 2 69.1°F 71.9°F 67.6°F
Aug 3 67.8°F 67.3°F 66.5°F
Aug 4 67.7°F 66.9°F 66.6°F
Aug 5 67.3°F 67.9°F 66.2°F
Aug 6 68.1°F 67.8°F 66.2°F
Aug 7 67.0°F 67.2°F 66.3°F
Aug 8 65.2°F 62.9°F 65.0°F
Aug 9 66.4°F 63.3°F 65.5°F
Aug 10 65.1°F 62.3°F 64.4°F
Aug 11 66.7°F 62.8°F 64.9°F
Aug 12 63.6°F 61.9°F 64.5°F
Aug 13 61.9°F 62.0°F 64.2°F
Aug 14 63.9°F 61.1°F 63.7°F
Aug 15 63.8°F 61.7°F 63.7°F
Aug 16 64.9°F 62.9°F 64.7°F
Aug 17 65.3°F 62.8°F 65.2°F
Aug 18 65.3°F 62.3°F 65.1°F
Aug 19 65.1°F 62.8°F 64.9°F
Aug 20 65.0°F 63.0°F 64.8°F
Aug 21 62.7°F 60.9°F 62.6°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

January

February

March

April

May

June

July

August

September

October

November

December

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, 63.2°F in Summer, and 47.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kalininskiy 64.0°F 5mi
Lomonosov 64.7°F 19mi
Zelenogorsk 66.1°F 28mi

* current water temperature in this city

** straight line distance from Saint Petersburg