Current sea water temperature:
+51.6°F
| Minimum sea water temperature in December: | 59.0°F |
| Maximum sea water temperature in December: | 45.0°F |
| Average sea water temperature in December: | 51.1°F |
| more information | |
14 days
forecast
forecast
| Sveti Vlas |
monthly
weather
weather
| Sveti Vlas |
Sea water temperature for the last 10 days:
| December 25 | 51.6°F | December 20 | 53.4°F |
| December 24 | 52.0°F | December 19 | 53.1°F |
| December 23 | 52.5°F | December 18 | 53.1°F |
| December 22 | 52.5°F | December 17 | 53.2°F |
| December 21 | 52.9°F | December 16 | 53.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Sveti Vlas?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sveti Vlas was noticed in August, July and September.
Monthly Sea Temperatures in Sveti Vlas, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 78.4°F. The highest and lowest sea temperatures during the month were 80.1°F and 76.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 80.4°F and 74.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 74.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 70.7°F.
current
weather
weather
| Sveti Vlas |
weather in
December
December
| Sveti Vlas |
Best time for vacation in Sveti Vlas
Sveti Vlas on a weather map
Places in Bulgaria:
Name
°F
24 Hours Forecast
Sveti Vlas
Local time: 22:52
December 26, friday
0000
39°F
S
14 mph
14 mph
0300
36°F
S
9 mph
9 mph
0600
34°F
S
7 mph
7 mph
0900
36°F
SE
5 mph
5 mph
1200
41°F
E
7 mph
7 mph
1500
43°F
E
10 mph
10 mph
1800
39°F
E
7 mph
7 mph
2100
39°F
SE
9 mph
9 mph
