18.05
mon
mon
Day
66°F
SE 11 mph
Precip.
75%
75%
Night
57°F
E 3 mph
Precip.
0%
0%
19.05
tue
tue
Day
68°F
NW 6 mph
Precip.
100%
100%
Night
57°F
SE 4 mph
Precip.
0%
0%
20.05
wed
wed
Day
68°F
S 14 mph
Precip.
100%
100%
Night
61°F
SE 11 mph
Precip.
86%
86%
21.05
thu
thu
Day
66°F
S 19 mph
Precip.
66%
66%
Night
63°F
S 17 mph
Precip.
0%
0%
22.05
fri
fri
Day
72°F
S 19 mph
Precip.
100%
100%
Night
61°F
SE 7 mph
Precip.
83%
83%
23.05
sat
sat
Day
66°F
SW 15 mph
Precip.
100%
100%
Night
61°F
S 5 mph
Precip.
100%
100%
24.05
sun
sun
Day
64°F
S 10 mph
Precip.
100%
100%
Night
59°F
SE 6 mph
Precip.
0%
0%
25.05
mon
mon
Day
70°F
SW 9 mph
Precip.
0%
0%
Night
57°F
E 5 mph
Precip.
0%
0%
26.05
tue
tue
Day
73°F
S 5 mph
Precip.
100%
100%
Night
59°F
SW 3 mph
Precip.
100%
100%
27.05
wed
wed
Day
63°F
W 4 mph
Precip.
0%
0%
Night
55°F
SE 4 mph
Precip.
0%
0%
28.05
thu
thu
Day
70°F
S 6 mph
Precip.
100%
100%
Night
57°F
E 4 mph
Precip.
0%
0%
29.05
fri
fri
Day
73°F
NE 1 mph
Precip.
100%
100%
Night
61°F
NE 2 mph
Precip.
100%
100%
30.05
sat
sat
Day
68°F
W 7 mph
Precip.
0%
0%
Night
61°F
NW 6 mph
Precip.
0%
0%
31.05
sun
sun
Day
70°F
N 7 mph
Precip.
0%
0%
Night
61°F
NW 6 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 May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 56.9°F. The highest and lowest sea temperatures during the month were 60.4°F and 53.6°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 71.3°F. The highest and lowest sea temperatures during the month were 75.9°F and 63.3°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: 18:58
May 18, monday
2100
59°F
N
4 mph
4 mph
May 19, tuesday
0000
57°F
E
3 mph
3 mph
0300
55°F
SE
6 mph
6 mph
0600
54°F
SE
4 mph
4 mph
0900
64°F
NE
2 mph
2 mph
1200
68°F
NW
6 mph
6 mph
1500
68°F
NW
8 mph
8 mph
1800
64°F
NW
5 mph
5 mph
