Measurements:
°C
°F
Sveti Vlas
46°F
NW 7 mph
Feels like: 42°F
Precip: 100%
World Resorts Bulgaria Sveti Vlas Weather

Sveti Vlas Sea Water Temperature

Current Sea Water Temperature:
+44.8°F
Maximum Sea Water Temperature in January: 52.2°F
Minimum Sea Water Temperature in January: 38.2°F
Average water temperature in January: 45.5°F

Sea Water Temperature for the Last 10 Days:

January 29 44.8°F January 24 44.8°F
January 28 44.6°F January 23 45.0°F
January 27 44.4°F January 22 45.2°F
January 26 44.4°F January 21 45.4°F
January 25 44.4°F January 20 46.6°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 45.4 °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
Bansko +38
Burgas +50
Byala +46
Chernomorets +50
Elenite +46
Golden Sands +46
Nesebr +46
Obzor +46
Pomorie +46
Ravda +46
Sarafovo +50
Sofia +38
Sunny Beach +46
Sveti Vlas +46
Varna +46
24 Hours Weather Forecast
Sveti Vlas
Local time: 01:46
30 jan, friday
0300 46°F
NW
7 mph
0600 46°F
NW
9 mph
0900 44°F
SE
14 mph
1200 42°F
SE
19 mph
1500 40°F
SE
16 mph
1800 40°F
SE
12 mph
2100 40°F
SE
8 mph
31 jan, saturday
0000 40°F
SE
4 mph

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