Average sea water temperature across 34 locations in Bulgaria on Oct 22, 2026: 18.4°C. The warmest sea is at Ahtopol (19.2°C) and the coldest at Golden Sands (17.5°C).
Based on daily readings from Jan 2, 2000 to Oct 22, 2026.
| Location | Today | Jun | Jul | Aug | Sep | Swimming season |
|---|---|---|---|---|---|---|
| 🌊 Ahtopol | 19.2° | 22.5°C | 25.6°C | 25.8°C | 24.1°C | June–October |
| 🛂 Rezovo | 19.2° | 22.6°C | 25.8°C | 25.9°C | 24.3°C | June–October |
| ⛵ Sinemorets | 19.1° | 22.7°C | 25.6°C | 26.0°C | 24.5°C | June–October |
| 👑 Tsarevo | 19.1° | 22.5°C | 25.6°C | 25.9°C | 24.3°C | June–October |
| 🏝️ Silistar Beach | 19.1° | 22.6°C | 25.7°C | 25.9°C | 24.1°C | June–October |
| 🍇 Lozenets | 19.0° | 22.7°C | 25.7°C | 26.0°C | 24.5°C | June–October |
| ⚓ Sozopol | 18.9° | 22.7°C | 25.7°C | 26.0°C | 24.5°C | June–October |
| 🏕️ Primorsko | 18.9° | 22.8°C | 25.8°C | 26.1°C | 24.5°C | June–October |
| 🏜️ Dyuni | 18.9° | 22.7°C | 25.6°C | 26.0°C | 24.4°C | June–October |
| ⛺ Kiten | 18.9° | 22.7°C | 25.6°C | 26.0°C | 24.4°C | June–October |
| 🏘️ Nessebar | 18.8° | 22.8°C | 25.7°C | 26.0°C | 24.5°C | June–October |
| 🧂 Pomorie | 18.8° | 22.9°C | 26.1°C | 26.2°C | 24.7°C | June–October |
| ✈️ Sarafovo | 18.8° | 22.9°C | 26.0°C | 26.2°C | 24.7°C | June–October |
| 🐬 Chernomorets | 18.8° | 22.9°C | 26.0°C | 26.2°C | 24.7°C | June–October |
| 🏖️ Burgas | 18.6° | 23.1°C | 26.0°C | 26.5°C | 23.3°C | June–September |
| 🐟 Ravda | 18.5° | 23.2°C | 26.1°C | 26.3°C | 24.6°C | June–October |
| ☀️ Sunny Beach | 18.4° | 23.4°C | 26.2°C | 26.3°C | 24.5°C | June–October |
| 🌿 Irakli Beach | 18.4° | 22.7°C | 25.6°C | 25.9°C | 24.4°C | June–October |
| 🛥️ Sveti Vlas | 18.4° | 23.4°C | 26.2°C | 26.3°C | 24.5°C | June–October |
| 🍷 Byala | 18.4° | 22.7°C | 25.6°C | 25.9°C | 24.3°C | June–October |
| 🌄 Obzor | 18.4° | 22.7°C | 25.6°C | 25.9°C | 24.3°C | June–October |
| 🔦 Shabla | 18.3° | 21.7°C | 24.9°C | 25.5°C | 23.8°C | June–September |
| 🦭 Tyulenovo | 18.1° | 21.7°C | 25.0°C | 25.5°C | 23.9°C | June–September |
| 🏄 Krapets | 18.1° | 21.7°C | 24.8°C | 25.5°C | 23.8°C | June–September |
| 🏞️ Shkorpilovtsi | 18.0° | 22.4°C | 25.1°C | 25.7°C | 24.3°C | June–September |
| 🪨 Kamen Bryag | 17.9° | 22.0°C | 25.2°C | 25.6°C | 23.9°C | June–September |
| 🦢 Durankulak | 17.9° | 21.7°C | 24.6°C | 25.4°C | 23.8°C | June–September |
| 🏛️ Varna | 17.7° | 22.6°C | 25.4°C | 25.8°C | 24.3°C | June–September |
| 🦅 Cape Kaliakra | 17.7° | 22.3°C | 25.4°C | 25.7°C | 24.0°C | June–September |
| 🧖 St. Konstantin and Elena | 17.7° | 22.6°C | 25.4°C | 25.8°C | 24.3°C | June–September |
| 🌲 Kranevo | 17.6° | 22.3°C | 25.3°C | 25.8°C | 24.1°C | June–September |
| 🌅 Golden Sands | 17.5° | 22.5°C | 25.4°C | 25.8°C | 24.2°C | June–September |
| 🌷 Balchik | 17.5° | 22.6°C | 25.5°C | 25.8°C | 24.1°C | June–September |
| 🌴 Albena | 17.5° | 22.5°C | 25.4°C | 25.8°C | 24.2°C | June–September |