Where is the sea warmest in the Black Sea in October?
In October the warmest sea in the Black Sea is at Rize, Turkey, at 21.7°C. 31 of 47 cities measured are comfortable this month.
| # | City | Country | Sea | Swimming |
|---|---|---|---|---|
| 1 | Rize | Turkey | 21.7°C | Comfortable |
| 2 | Batumi | Georgia | 21.7°C | Comfortable |
| 3 | Kobuleti | Georgia | 21.6°C | Comfortable |
| 4 | Poti | Georgia | 21.5°C | Comfortable |
| 5 | Sokhumi | Georgia | 21.4°C | Comfortable |
| 6 | Trabzon | Turkey | 21.4°C | Comfortable |
| 7 | Ochamchire | Georgia | 21.3°C | Comfortable |
| 8 | Gudauta | Georgia | 21.3°C | Comfortable |
| 9 | Gagra | Georgia | 21.2°C | Comfortable |
| 10 | Sochi | Russia | 21.1°C | Comfortable |
| 11 | Tuapse | Russia | 21.1°C | Comfortable |
| 12 | Giresun | Turkey | 20.8°C | Comfortable |
| 13 | Zonguldak | Turkey | 20.8°C | Comfortable |
| 14 | Ordu | Turkey | 20.8°C | Comfortable |
| 15 | Gelendzhik | Russia | 20.7°C | Comfortable |
| 16 | Anapa | Russia | 20.7°C | Comfortable |
| 17 | Samsun | Turkey | 20.5°C | Comfortable |
| 18 | Sinop | Turkey | 20.5°C | Comfortable |
| 19 | Tekirdağ | Turkey | 20.3°C | Comfortable |
| 20 | Istanbul | Turkey | 20.1°C | Comfortable |
| 21 | Yalova | Turkey | 20.0°C | Comfortable |
| 22 | Sozopol | Bulgaria | 20.0°C | Comfortable |
| 23 | Nesebar | Bulgaria | 19.9°C | Comfortable |
| 24 | Feodosiya | Ukraine | 19.7°C | Comfortable |
| 25 | Sevastopol | Ukraine | 19.5°C | Comfortable |
Ranked on the NOAA OISST monthly climatology — a long-run average for October, not a forecast. A given October will run warmer or cooler than this, and the sea is warmest late in the afternoon and late in the season.