Measurements:
°C
°F
CURRENT WEATHER
07:19
Sveti Vlas
42°F
E 6 mph
Feels like: 40°F
Precip: 0%
World Resorts Bulgaria Sveti Vlas Weather

7 Day Weather Forecast

12.18
thu
DAY
50°F
E 6 mph
precip
0%
NIGHT
50°F
E 4 mph
precip
0%
12.19
fri
DAY
54°F
S 2 mph
precip
0%
NIGHT
46°F
S 4 mph
precip
0%
12.20
sat
DAY
50°F
S 6 mph
precip
0%
NIGHT
48°F
S 6 mph
precip
73%
12.21
sun
DAY
50°F
SW 11 mph
precip
83%
NIGHT
48°F
SW 9 mph
precip
86%
12.22
mon
DAY
52°F
SW 11 mph
precip
100%
NIGHT
48°F
W 6 mph
precip
0%
12.23
tue
DAY
52°F
N 9 mph
precip
0%
NIGHT
50°F
N 7 mph
precip
56%
12.24
wed
DAY
54°F
NE 4 mph
precip
83%
NIGHT
50°F
SE 5 mph
precip
0%

Sveti Vlas Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Sveti Vlas was 13.4°F. The maximum and minimum values were 11.8°F and 15.0°F respectively.

Sveti Vlas on the Weather Map

Best Time to Visit Sveti Vlas
The most sunny months:
August 27 days
July 26 days
September 21 days
The most warm months:
August 87.0 °F
July 86.8 °F
June 80.2 °F
Warmest sea temperature:
August 81.5 °F
July 80.1 °F
September 77.0 °F
The most cold months:
January 42.8 °F
February 45.4 °F
December 47.0 °F
The most rainy months:
June 5 days
May 4 days
January 4 days
The most windy months:
February 11 mph
January 10 mph
December 10 mph
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