In October warmest sea in Caspian Sea is usually observed in the following locations: Derbent, Izberbash, Aktau.
Table below shows the average sea water temperature for marine resorts of Caspian Sea in October for the last three years.
| Place name | October 2026 | October 2025 | October 2024 |
|---|---|---|---|
| Derbent | 69.7°F | 64.4°F | 66.6°F |
| Izberbash | 68.9°F | 63.3°F | 66.1°F |
| Aktau | 68.4°F | 60.7°F | 63.0°F |
| Kaspiysk | 67.8°F | 62.6°F | 63.9°F |
| Mahachkala | 67.6°F | 62.2°F | 63.8°F |
| Bautino | 63.3°F | 59.2°F | 60.5°F |
| Astrahan | 54.7°F | 53.3°F | 48.9°F |
| Lagan | 54.6°F | 51.5°F | 55.4°F |
Charts below show average sea water temperature for Caspian Sea resorts with the warmest sea in October.
You can also check other months of the year to see sea temperature of Caspian Sea resorts at that time.
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