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 20.54°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

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.

69.0

°F

July 27, 01:18

Trend:

stable

Yesterday:

68.5°F

Tomorrow:

68.8°F

Sunrise:

04:27

Sunset:

21:42

Day Length:

17 h. 15 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 69.0°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.3°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 64.3°F on 2017.

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 68.6°F, the minimum temperature may reach 67.7°F, and the maximum might stay at 68.9°F.

Daily water temperature in Saint Petersburg

Date	Current Year actual* / forecast**	last year	10 years average
Jul 13	69.4°F	62.2°F	65.2°F
Jul 14	67.2°F	65.8°F	65.3°F
Jul 15	68.4°F	67.6°F	65.7°F
Jul 16	68.7°F	67.1°F	65.9°F
Jul 17	67.7°F	66.0°F	65.9°F
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	67.1°F
Jul 27	69.0°F	72.1°F	67.6°F
Jul 28	68.8°F	73.5°F	67.4°F
Jul 29	68.7°F	73.4°F	67.3°F
Jul 30	68.7°F	72.0°F	67.4°F
Jul 31	68.9°F	73.4°F	67.6°F
Aug 1	68.6°F	72.1°F	67.3°F
Aug 2	68.8°F	71.9°F	67.5°F
Aug 3	67.7°F	67.3°F	66.4°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	69.1°F	5mi
Lomonosov	68.7°F	19mi
Zelenogorsk	71.6°F	28mi

* current water temperature in this city

** straight line distance from Saint Petersburg