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Sunny Beach in August sees high temperatures, with highs around 28°C (82°F) and overnight lows of 21°C (70°F). It's the driest month of the year, with very little rainfall to worry about.
If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Sunny Beach.
Pick a month to see the average temperature, rainfall and sunshine in Sunny Beach - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Sunny Beach typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Sunny Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Sunny Beach from 1997 through 2026.
Find out more about the weather in Bulgaria and which places have the best travel conditions in this month. See all of Bulgaria in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Sunny Beach climate overview or explore weather in Bulgaria.
Where to go in August - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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