Current Sea Water Temperature:
+70.2°F
| Maximum Sea Water Temperature in July: | 79.8°F |
| Minimum Sea Water Temperature in July: | 25.0°F |
| Average water temperature in July: | 64.6°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 15 | 70.2°F | July 10 | 66.4°F |
| July 14 | 69.0°F | July 09 | 66.8°F |
| July 13 | 71.2°F | July 08 | 66.4°F |
| July 12 | 67.6°F | July 07 | 66.8°F |
| July 11 | 67.0°F | July 06 | 67.0°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 67.2°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 |  |
+70 |
| Anapa |  |
+74 |
| Arhipo-Osipovka |  |
+70 |
| Dombay | |
+52 |
| Gelendzhik | |
+70 |
| Golubickaya | |
+74 |
| Lazarevskoye | |
+70 |
| Moscow | |
+66 |
| Novorossiysk | |
+68 |
| Seliger | |
+64 |
| Sirius | |
+70 |
| Sochi | |
+70 |
| St Petersburg | |
+64 |
| Yaroslavl | |
+62 |
| Zelenogradsk | |
+58 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
St Petersburg
Local time: 00:14
16 jul, thursday
| 0300 |  |
54°F | SW 8 mph |
| 0600 |  |
54°F | SW 8 mph |
| 0900 |  |
62°F | SW 8 mph |
| 1200 | |
68°F | SW 8 mph |
| 1500 | |
70°F | SW 8 mph |
| 1800 | |
70°F | SW 8 mph |
| 2100 | |
60°F | W 2 mph |
17 jul, friday
| 0000 | |
54°F | E 1 mph |