Sveti Vlas Weather and Climate: A Comprehensive Guide
Sveti Vlas is a unique combination of fresh mountain air, a pleasant maritime climate and a beautiful landscape. Because of the favorable location, Sveti Vlas became a popular resort and spa location in the 1960s for the treatment of lung diseas. Because of this Sveti Vlas has always been more luxurious than many other Bulgarian tourist destinations.
Average maximum day and minimum night temperature
Visitors to Sveti Vlas can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 28°C in August, the warmest time of the year, to a chilly 7°C during cooler months like January.
At night, temperatures typically drop to an average of around 2°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Sveti Vlas experiences moderate precipitation patterns, averaging 645 mm yearly. While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 67 mm of precipitation, spread over 5 rainy days. In contrast, August experiences a drier climate, with about 33 mm of rainfall spread across 4 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Sveti Vlas. While July receives considerable daily sunshine with up to 11.9 hours, January marks the darkest time of the year, where sunshine is scarce with only 3.1 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year ranges from 7°C in February to 27°C in August.
Water temperature over the year
Average humidity
The relative humidity is high throughout the year in Sveti Vlas.
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
overcast and heavy rain overcast and heavy sleet overcast and sleetForecast for Sveti Vlas
4 m/s
4 m/s
6 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Sveti Vlas in Bulgaria
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
August has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 7°C.
October tops the wettest month list with 67 mm of rainfall.
August is the driest month with 33 mm of precipitation.
July is the sunniest month with an average of 357 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
