Current Sea Water Temperature:
+69.4°F
| Maximum Sea Water Temperature in August: | 77.2°F |
| Minimum Sea Water Temperature in August: | 34.0°F |
| Average water temperature in August: | 65.2°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 04 | 69.4°F | July 30 | 69.0°F |
| August 03 | 69.8°F | July 29 | 69.6°F |
| August 02 | 71.2°F | July 28 | 69.8°F |
| August 01 | 69.4°F | July 27 | 70.6°F |
| July 31 | 68.6°F | July 26 | 70.8°F |
When is the Warmest Sea for St Petersburg?
According to our data for the last three years for St Petersburg the highest average sea water temperature was in August, July and June.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for St Petersburg was 64.6°F. The maximum and minimum values were 60.8°F and 74.4°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for St Petersburg was 68.4°F. The maximum and minimum values were 64.2°F and 71.2°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for St Petersburg was 62.1°F. The maximum and minimum values were 52.2°F and 65.8°F respectively.
Russia Resorts:
NAME
F°
| Adler |  |
+82 |
| Anapa | |
+82 |
| Arhipo-Osipovka |  |
+80 |
| Dombay |  |
+62 |
| Gelendzhik | |
+80 |
| Golubickaya | |
+82 |
| Lazarevskoye | |
+78 |
| Moscow | |
+76 |
| Novorossiysk | |
+82 |
| Seliger |  |
+72 |
| Sirius | |
+82 |
| Sochi | |
+80 |
| St Petersburg | |
+66 |
| Yaroslavl | |
+70 |
| Zelenogradsk | |
+66 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
St Petersburg
Local time: 08:14
05 aug, wednesday
| 0900 |  |
66°F | NE 3 mph |
| 1200 | |
74°F | NE 4 mph |
| 1500 | |
78°F | E 4 mph |
| 1800 | |
78°F | SE 4 mph |
| 2100 | |
66°F | S 4 mph |
06 aug, thursday
| 0000 |  |
62°F | SW 4 mph |
| 0300 | |
60°F | W 3 mph |
| 0600 | |
62°F | NW 4 mph |