Sunny Beach Weather in August
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.
Rainfall in Sunny Beach in August
With the driest weather of the year, this month is ideal for outdoor fun. On average, there are about 4 days with rain during this month, averaging 33 mm (1.3 in). The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Sunny Beach in August
The excellent temperature in Sunny Beach in August makes it a solid month to visit, with 28°C (82°F) during the day and 21°C (70°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing. On average, it is the warmest month of the year.
Sunshine in Sunny Beach in August
There are approximately 338 hours of sunshine this month, resulting in mostly clear days.
Average water temperature in August
The water is 27°C (81°F) this month, warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Sunny Beach.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bulgaria, check out our Sunny Beach's climate page.
Sunny Beach Temperature in August
Min Temperature
21°C (70°F)
Max Temperature
28°C (82°F)
Water Temperature
27°C (81°F)
Chance of Rain
13%
Precipitation
33 mm (1.3 in)
Rainy days
4 days
Humidity
72%
Sunshine
338 hours
Percentage Sunshine
Daily Historical Temperatures
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).
Average temperatures in August
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Sunny Beach in August
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.
Sunny Beach historical weather extremes in August
The extremes listed below come from historical weather data collected in Sunny Beach from 1997 through 2025.
- Sunny Beach recorded its highest August temperature of 37°C (99°F) on August 31, 2003.
- Sunny Beach experienced its chilliest August day on August 13, 1997, reaching only 19°C (66°F).
- Sunny Beach registered its coldest August night on August 31, 2017, with temperatures dropping to 12°C (54°F).
Best Places in Bulgaria in August
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
pleasant
tolerable
unpleasant
poor
What to Wear in Sunny Beach in August
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.What To Do in Sunny Beach in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bulgaria, check out our Sunny Beach's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Sunny Beach climate overview or explore weather in Bulgaria.
