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 8.05°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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.

46.5

°F

May 14, 05:24

Trend:

stable

Yesterday:

46.0°F

Tomorrow:

46.1°F

Sunrise:

04:25

Sunset:

21:27

Day Length:

17 h. 2 min.

Saint Petersburg in May

Minimum:

32.0°F

Average:

32.1°F

Maximum:

32.6°F

Sea water temperature in Saint Petersburg today

As of now, in Saint Petersburg, the water temperature is 46.5°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.8°F lower 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 54.1°F on 2016, while the historical minimum was 42.9°F on 2025.

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 suggests a gradual increase. The average temperature is expected to rise up to 47.7°F, with minimum temperature starting at 46.1°F, while the maximum might reach 49.4°F.

Daily water temperature in Saint Petersburg

Date	Current Year actual* / forecast**	last year	10 years average
Apr 30	35.7°F	39.7°F	40.5°F
May 1	37.3°F	37.7°F	40.3°F
May 2	41.3°F	39.8°F	41.4°F
May 3	43.2°F	42.6°F	42.3°F
May 4	42.3°F	45.3°F	42.7°F
May 5	40.7°F	45.2°F	43.0°F
May 6	43.2°F	44.6°F	43.4°F
May 7	43.4°F	44.6°F	43.8°F
May 8	43.1°F	44.6°F	43.9°F
May 9	44.5°F	43.4°F	44.4°F
May 10	42.5°F	43.8°F	44.8°F
May 11	44.3°F	45.4°F	46.4°F
May 12	45.2°F	45.5°F	46.5°F
May 13	46.0°F	43.5°F	46.8°F
May 14	46.5°F	42.9°F	47.3°F
May 15	46.1°F	43.1°F	46.9°F
May 16	46.4°F	45.8°F	47.2°F
May 17	47.1°F	46.0°F	47.9°F
May 18	47.7°F	46.2°F	48.5°F
May 19	48.1°F	48.7°F	48.8°F
May 20	49.3°F	49.5°F	50.1°F
May 21	49.4°F	49.3°F	50.1°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, 39.0°F in Spring, 63.1°F in Summer, and 47.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kalininskiy	46.3°F	5mi
Lomonosov	47.4°F	19mi
Zelenogorsk	45.9°F	28mi

* current water temperature in this city

** straight line distance from Saint Petersburg