How warm is the sea in Sunny Beach?
The sea in Sunny Beach is currently 18°C.
Sea temperature is a model estimate for the surface. We refresh marine data approximately every six hours; check the displayed data time.
The sea in Sunny Beach is 18°C today, the weather is cloudy, 18°C.

Bulgaria
Last updated:
Sources and methodologyToday Sunny Beach can expect rain, with a high of around 19°. Over the coming days the weather stays similar, with temperatures between 8° and 19°. Rain is possible: Friday.
Updated:
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 18°C.
Sea temperature is a model estimate for the surface. We refresh marine data approximately every six hours; check the displayed data time.
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 rain, with a high of 18°C and a low of 11°C and a 88% chance of rain.