Measurements:
°C
°F
Sveti Vlas
44°F
SW 1 mph
Feels like: 44°F
Precip: 60%
World Resorts Bulgaria Sveti Vlas Weather

Sveti Vlas Sea Water Temperature

Current Sea Water Temperature:
+55.2°F
Maximum Sea Water Temperature in April: 63.0°F
Minimum Sea Water Temperature in April: 42.6°F
Average water temperature in April: 50.1°F

Sea Water Temperature for the Last 10 Days:

April 21 55.2°F April 16 50.4°F
April 20 53.0°F April 15 50.2°F
April 19 53.0°F April 14 48.2°F
April 18 52.4°F April 13 48.8°F
April 17 51.6°F April 12 49.4°F

When is the Warmest Sea for Sveti Vlas?

According to our data for the last three years for Sveti Vlas the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Sveti Vlas was 81.5°F. The maximum and minimum values were 79.4°F and 83.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Sveti Vlas was 80.2°F. The maximum and minimum values were 77.4°F and 83.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sveti Vlas was 77.6°F. The maximum and minimum values were 73.0°F and 80.4°F respectively.

Best Time to Visit Sveti Vlas
The most sunny months:
August 27 days
July 26 days
September 21 days
The most warm months:
August 87.0 °F
July 86.8 °F
June 80.2 °F
Warmest sea temperature:
August 81.5 °F
July 80.1 °F
September 77.0 °F
The most cold months:
January 42.8 °F
February 45.3 °F
December 47.1 °F
The most rainy months:
June 5 days
May 4 days
January 4 days
The most windy months:
February 11 mph
January 10 mph
December 10 mph

Sveti Vlas on the Weather Map

Bulgaria Resorts:
NAME
Albena +46
Bansko +40
Burgas +46
Elenite +44
Golden Sands +46
Nesebr +46
Obzor +44
Pomorie +46
Ravda +46
Sarafovo +46
Sofia +42
Sozopol +46
Sunny Beach +44
Sveti Vlas +44
Varna +44
24 Hours Weather Forecast
Sveti Vlas
Local time: 07:13
22 apr, wednesday
0900 50°F
W
4 mph
1200 50°F
NW
7 mph
1500 50°F
NW
6 mph
1800 50°F
W
6 mph
2100 48°F
NW
6 mph
23 apr, thursday
0000 46°F
NW
3 mph
0300 44°F
SW
1 mph
0600 46°F
S
4 mph

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