How warm is the sea in Sunny Beach?
The sea in Sunny Beach is currently 27°C.
Sea temperature is measured at the surface and updated hourly.
The sea in Sunny Beach is 27°C today, the weather is partly cloudy, 29°C.

Bulgaria
Last updated: 9 August 2026, 12:59
Today Sunny Beach can expect partly cloudy, with a high of around 31°. Over the coming days the weather stays similar, with temperatures between 19° and 32°. No significant rain is expected.
Next 48 hours
The best time to visit is from June to September. The sea is warmest in July (26.8°C).
| Month | Max | Min | Rain (days) | Sea |
|---|---|---|---|---|
| January | 7° | 0° | 8 | 9° |
| February | 10° | 2° | 7 | 7° |
| March | 12° | 4° | 9 | 9° |
| April | 17° | 7° | 9 | 13° |
| May | 21° | 12° | 11 | 17° |
| June | 26° | 18° | 12 | 24° |
| July | 28° | 20° | 7 | 27° |
| August | 29° | 20° | 4 | 27° |
| September | 25° | 16° | 6 | 25° |
| October | 19° | 11° | 7 | 20° |
| November | 14° | 7° | 9 | 15° |
| December | 10° | 3° | 8 | 11° |
Sunny Beach is the largest resort on the Bulgarian Black Sea coast, spread along a long sandy beach north of Burgas. It is a large tourist centre with hundreds of hotels, water parks and lively nightlife, known for its affordable package deals. Right beside it lies the old town of Nesebar, protected by UNESCO. For Macedonian visitors Sunny Beach is reached by a longer drive or by charter flight, offering good value for a family or youth holiday. Summers are warm and dry, with August sea temperatures of around 27°, and the season runs from June to mid-September.
The sea in Sunny Beach is currently 27°C.
Sea temperature is measured at the surface and updated hourly.
The best time to visit is from June to September. The sea is warmest in July (26.8°C).
Derived from the 2015–2024 climate averages.
Tomorrow in Sunny Beach expect clear, with a high of 31°C and a low of 22°C.