In May warmest sea in Baltic Sea is usually observed in the following locations: Parnu, Saaremaa, Narva.
Table below shows the average sea water temperature for marine resorts of Baltic Sea in May for the last three years.
| Place name | May 2023 | May 2022 | May 2021 |
|---|---|---|---|
| Parnu | 54.7°F | 50.9°F | 50.5°F |
| Saaremaa | 51.2°F | 48.6°F | 47.5°F |
| Narva | 51.0°F | 47.5°F | 46.5°F |
| Tartu | 49.7°F | 47.3°F | 47.9°F |
| Vasteras | 49.6°F | 50.3°F | 48.6°F |
| Lahti | 48.6°F | 45.5°F | 47.5°F |
| Sillamäe | 48.4°F | 44.4°F | 44.9°F |
| Vyborg | 48.4°F | 46.3°F | 49.6°F |
| Lappeenranta | 47.5°F | 44.1°F | 47.3°F |
| Orebro | 47.3°F | 46.8°F | 45.5°F |
| Toila | 47.2°F | 44.1°F | 44.7°F |
| Primorsk | 47.2°F | 43.5°F | 46.2°F |
| Kunda | 46.4°F | 44.4°F | 44.2°F |
| Porvoo | 46.4°F | 44.0°F | 47.7°F |
| Stockholm | 46.0°F | 46.2°F | 45.4°F |
| Tallinn | 45.8°F | 43.7°F | 43.4°F |
| Karlstad | 45.7°F | 48.4°F | 46.9°F |
| Uppsala | 45.0°F | 46.9°F | 45.8°F |
| Turku | 44.8°F | 45.1°F | 45.6°F |
| Helsinki | 44.6°F | 43.8°F | 44.3°F |
| Kotka | 44.3°F | 43.0°F | 45.5°F |
| Vantaa | 44.2°F | 43.4°F | 44.2°F |
| Espoo | 43.6°F | 43.6°F | 44.2°F |
Charts below show average sea water temperature for Baltic Sea resorts with the warmest sea in May.
You can also check other months of the year to see sea temperature of Baltic Sea resorts at that time.
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