Sunny Beach Weather & Climate: Best Time to Visit

In Sunny Beach, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in August to a chilly 7°C (45°F) in the coolest month, January.

Nights vary from 21°C (70°F) in August to around 1°C (34°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Sunny Beach receives a reasonable amount of rain/snowfall, with an annual precipitation of 653 mm (26 in). Sunny Beach offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month October (67 mm (2.6 in)) and the driest month August (33 mm (1.3 in)) is not too significant. For more details, please visit our Sunny Beach Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Sunny Beach serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.9 hours of sunshine daily, and embrace the darker days in January, offering only 3.1 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The mean water temperature over the year ranges from 7°C (45°F) in February to 27°C (81°F) in August.

Water temperature over the year

The relative humidity is high throughout the year in Sunny Beach.

The city experiences its highest humidity in January, reaching 82%. In July, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year