The Romania resorts with the warmest sea water temperature in January are Mangalia, Eforie Nord and Mamaia.
Below you can see a list of all popular Romania resorts and information about sea water temperature in January for the last two years.
| Resort Name | January 2026 | January 2025 | January 2024 |
|---|---|---|---|
| Mangalia | 44.8°F | 46.7°F | 45.4°F |
| Eforie Nord | 44.3°F | 46.3°F | 45.5°F |
| Mamaia | 43.6°F | 44.9°F | 44.7°F |
| Konstanta | 43.5°F | 44.9°F | 44.6°F |
Please see following sea water temperature averages charts for the warmest Romania resorts in January.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Romania Resorts:
NAME
F°
| Baile Olanesti |  |
+32 |
| Baile Tusnad |  |
+28 |
| Brasov | |
+30 |
| Bucharest | |
+28 |
| Cluj Napoca |  |
+36 |
| Covasna | |
+32 |
| Eforie Nord | |
+28 |
| Galati | |
+24 |
| Konstanta | |
+28 |
| Lasi |  |
+18 |
| Mamaia | |
+28 |
| Mangalia | |
+30 |
| Poiana Brasov | |
+30 |
| Sinaia | |
+26 |
| Sovata | |
+36 |
