26.08
wed
wed
Day
84°F
W 7 mph
Precip.
9%
9%
Night
66°F
S 7 mph
Precip.
34%
34%
27.08
thu
thu
Day
81°F
SW 9 mph
Precip.
1%
1%
Night
66°F
SW 4 mph
Precip.
12%
12%
28.08
fri
fri
Day
77°F
SW 11 mph
Precip.
1%
1%
Night
63°F
S 3 mph
Precip.
7%
7%
29.08
sat
sat
Day
77°F
NW 9 mph
Precip.
1%
1%
Night
64°F
SE 4 mph
Precip.
11%
11%
30.08
sun
sun
Day
81°F
NW 8 mph
Precip.
10%
10%
Night
70°F
S 0 mph
Precip.
23%
23%
31.08
mon
mon
Day
77°F
SW 5 mph
Precip.
4%
4%
Night
66°F
NW 4 mph
Precip.
10%
10%
01.09
tue
tue
Day
82°F
S 9 mph
Precip.
0%
0%
Night
66°F
E 2 mph
Precip.
8%
8%
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 August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 77.0°F. The highest and lowest sea temperatures during the month were 78.1°F and 76.3°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.
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: 02:45
August 26, wednesday
0300
68°F
W
3 mph
3 mph
0600
68°F
W
3 mph
3 mph
0900
77°F
W
2 mph
2 mph
1200
84°F
W
7 mph
7 mph
1500
77°F
W
8 mph
8 mph
1800
79°F
SW
11 mph
11 mph
2100
68°F
S
6 mph
6 mph
August 27, thursday
0000
66°F
S
7 mph
7 mph
