25.12
thu
thu
Day
46°F
W 22 mph
Precip.
100%
100%
Night
41°F
S 15 mph
Precip.
0%
0%
26.12
fri
fri
Day
39°F
E 6 mph
Precip.
0%
0%
Night
36°F
SE 12 mph
Precip.
100%
100%
27.12
sat
sat
Day
37°F
S 17 mph
Precip.
0%
0%
Night
34°F
E 9 mph
Precip.
0%
0%
28.12
sun
sun
Day
37°F
SE 17 mph
Precip.
100%
100%
Night
32°F
SE 12 mph
Precip.
0%
0%
29.12
mon
mon
Day
34°F
SE 17 mph
Precip.
0%
0%
Night
30°F
E 10 mph
Precip.
0%
0%
30.12
tue
tue
Day
41°F
E 17 mph
Precip.
0%
0%
Night
37°F
E 19 mph
Precip.
0%
0%
31.12
wed
wed
Day
41°F
E 10 mph
Precip.
0%
0%
Night
37°F
NE 4 mph
Precip.
0%
0%
01.01
thu
thu
Day
43°F
NE 7 mph
Precip.
0%
0%
Night
45°F
NE 8 mph
Precip.
0%
0%
02.01
fri
fri
Day
52°F
N 9 mph
Precip.
100%
100%
Night
50°F
N 16 mph
Precip.
100%
100%
03.01
sat
sat
Day
46°F
SE 9 mph
Precip.
68%
68%
Night
41°F
S 9 mph
Precip.
0%
0%
04.01
sun
sun
Day
39°F
SW 20 mph
Precip.
100%
100%
Night
32°F
S 16 mph
Precip.
100%
100%
05.01
mon
mon
Day
30°F
S 16 mph
Precip.
0%
0%
Night
27°F
E 6 mph
Precip.
0%
0%
06.01
tue
tue
Day
32°F
SE 11 mph
Precip.
0%
0%
Night
28°F
E 7 mph
Precip.
0%
0%
07.01
wed
wed
Day
34°F
NE 11 mph
Precip.
0%
0%
Night
34°F
SE 12 mph
Precip.
0%
0%
sea water
temperature
temperature
| Sveti Vlas |
monthly
weather
weather
| Sveti Vlas |
current
weather
weather
| Sveti Vlas |
7 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 55.2°F. The highest and lowest sea temperatures during the month were 59.0°F and 52.0°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: 08:28
December 25, thursday
0900
46°F
W
23 mph
23 mph
1200
46°F
W
22 mph
22 mph
1500
45°F
SW
22 mph
22 mph
1800
43°F
SW
21 mph
21 mph
2100
43°F
SW
19 mph
19 mph
December 26, friday
0000
41°F
S
15 mph
15 mph
0300
36°F
S
11 mph
11 mph
0600
34°F
S
7 mph
7 mph
