22.12
mon
mon
Day
50°F
SW 9 mph
Precip.
100%
100%
Night
45°F
S 7 mph
Precip.
78%
78%
23.12
tue
tue
Day
50°F
SW 5 mph
Precip.
0%
0%
Night
46°F
SW 5 mph
Precip.
60%
60%
24.12
wed
wed
Day
50°F
N 3 mph
Precip.
0%
0%
Night
52°F
NW 10 mph
Precip.
100%
100%
25.12
thu
thu
Day
48°F
W 20 mph
Precip.
100%
100%
Night
45°F
SW 17 mph
Precip.
0%
0%
26.12
fri
fri
Day
43°F
E 6 mph
Precip.
0%
0%
Night
37°F
S 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
43°F
NE 5 mph
Precip.
0%
0%
Night
37°F
S 6 mph
Precip.
0%
0%
28.12
sun
sun
Day
43°F
S 4 mph
Precip.
0%
0%
Night
43°F
NW 1 mph
Precip.
41%
41%
29.12
mon
mon
Day
46°F
E 2 mph
Precip.
0%
0%
Night
41°F
SW 2 mph
Precip.
0%
0%
30.12
tue
tue
Day
46°F
W 6 mph
Precip.
100%
100%
Night
46°F
SW 7 mph
Precip.
100%
100%
31.12
wed
wed
Day
46°F
SW 16 mph
Precip.
100%
100%
Night
41°F
S 14 mph
Precip.
40%
40%
01.01
thu
thu
Day
43°F
SW 7 mph
Precip.
0%
0%
Night
39°F
NW 2 mph
Precip.
0%
0%
02.01
fri
fri
Day
46°F
N 6 mph
Precip.
0%
0%
Night
45°F
W 2 mph
Precip.
26%
26%
03.01
sat
sat
Day
46°F
W 6 mph
Precip.
100%
100%
Night
45°F
E 4 mph
Precip.
100%
100%
04.01
sun
sun
Day
46°F
NE 12 mph
Precip.
0%
0%
Night
39°F
SE 21 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 55.4°F. The highest and lowest sea temperatures during the month were 59.0°F and 52.5°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: 14:59
December 22, monday
1500
50°F
SW
11 mph
11 mph
1800
46°F
SW
8 mph
8 mph
2100
46°F
SW
7 mph
7 mph
December 23, tuesday
0000
45°F
S
7 mph
7 mph
0300
46°F
S
7 mph
7 mph
0600
46°F
S
6 mph
6 mph
0900
46°F
S
5 mph
5 mph
1200
50°F
SW
5 mph
5 mph
