Click on a day for an hourly weather forecast
The weather in Sunny Beach in August is hot. The average temperatures are between 20°C and 28°C.
You can expect a few rainy days in Sunny Beach during August, but usually the weather is comfortable in August.
Our weather forecast can give you a great sense of what weather to expect in Sunny Beach in August 2025.
If you’re planning to visit Sunny Beach in the near future, we highly recommend that you review the 14 day weather forecast for Sunny Beach before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 0° | 5 | 20 | 6 | 70 mm | Awful | Sunny Beach in January |
| February | 7° / 2° | 5 | 19 | 4 | 54 mm | Bad | Sunny Beach in February |
| March | 10° / 4° | 5 | 23 | 3 | 51 mm | Bad | Sunny Beach in March |
| April | 15° / 7° | 4 | 26 | 0 | 50 mm | Good | Sunny Beach in April |
| May | 20° / 12° | 5 | 26 | 0 | 74 mm | Good | Sunny Beach in May |
| June | 25° / 17° | 7 | 23 | 0 | 94 mm | Good | Sunny Beach in June |
| July | 28° / 19° | 4 | 27 | 0 | 69 mm | Perfect | Sunny Beach in July |
| August | 28° / 20° | 2 | 29 | 0 | 33 mm | Perfect | Sunny Beach in August |
| September | 24° / 17° | 2 | 28 | 0 | 46 mm | Perfect | Sunny Beach in September |
| October | 18° / 12° | 5 | 26 | 0 | 70 mm | Good | Sunny Beach in October |
| November | 13° / 8° | 3 | 27 | 0 | 47 mm | Ok | Sunny Beach in November |
| December | 8° / 3° | 5 | 24 | 3 | 59 mm | Bad | Sunny Beach in December |