28.12
sun
sun
Day
41°F
SE 18 mph
Precip.
0%
0%
Night
34°F
E 10 mph
Precip.
0%
0%
29.12
mon
mon
Day
39°F
SE 15 mph
Precip.
0%
0%
Night
36°F
NE 9 mph
Precip.
0%
0%
30.12
tue
tue
Day
46°F
E 14 mph
Precip.
0%
0%
Night
37°F
SE 17 mph
Precip.
0%
0%
31.12
wed
wed
Day
34°F
SE 14 mph
Precip.
0%
0%
Night
30°F
SE 12 mph
Precip.
0%
0%
01.01
thu
thu
Day
32°F
SE 17 mph
Precip.
0%
0%
Night
28°F
NE 7 mph
Precip.
0%
0%
02.01
fri
fri
Day
37°F
NE 16 mph
Precip.
0%
0%
Night
39°F
NE 17 mph
Precip.
0%
0%
03.01
sat
sat
Day
54°F
NE 28 mph
Precip.
0%
0%
Night
55°F
NE 28 mph
Precip.
0%
0%
sea water
temperature
temperature
| Sveti Vlas |
monthly
weather
weather
| Sveti Vlas |
current
weather
weather
| Sveti Vlas |
14 days
forecast
forecast
| Sveti Vlas |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 54.7°F. The highest and lowest sea temperatures during the month were 59.0°F and 51.1°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 47.4°F. The highest and lowest sea temperatures during the month were 48.9°F and 45.7°F.
Air temperature in Sveti Vlas, °F
Precipitation total in Sveti Vlas, in.
* Charts above show average data for the last 3 years.
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: 04:18
December 28, sunday
0600
34°F
E
11 mph
11 mph
0900
39°F
SE
19 mph
19 mph
1200
41°F
SE
18 mph
18 mph
1500
41°F
SE
17 mph
17 mph
1800
37°F
SE
11 mph
11 mph
2100
36°F
SE
15 mph
15 mph
December 29, monday
0000
34°F
E
10 mph
10 mph
0300
34°F
E
11 mph
11 mph
