Measurements:
°C
°F
CURRENT WEATHER
20:12
Sunny Beach
42°F
NE 4 mph
Feels like: 40°F
Precip: 0%
World Resorts Bulgaria Sunny Beach Weather

7 Day Weather Forecast

12.15
mon
DAY
46°F
E 4 mph
precip
0%
NIGHT
40°F
NE 4 mph
precip
0%
12.16
tue
DAY
48°F
E 2 mph
precip
0%
NIGHT
44°F
E 1 mph
precip
0%
12.17
wed
DAY
50°F
NE 3 mph
precip
0%
NIGHT
46°F
NE 3 mph
precip
0%
12.18
thu
DAY
50°F
E 5 mph
precip
0%
NIGHT
46°F
SE 4 mph
precip
0%
12.19
fri
DAY
50°F
SW 1 mph
precip
0%
NIGHT
40°F
NW 7 mph
precip
0%
12.20
sat
DAY
46°F
S 11 mph
precip
81%
NIGHT
46°F
SW 16 mph
precip
100%
12.21
sun
DAY
48°F
SW 16 mph
precip
100%
NIGHT
46°F
SW 14 mph
precip
74%

Sunny Beach Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Sunny Beach was 13.6°F. The maximum and minimum values were 12.3°F and 14.9°F respectively.

Sunny Beach on the Weather Map

Best Time to Visit Sunny Beach
The most sunny months:
August 28 days
July 26 days
September 21 days
The most warm months:
August 87.6 °F
July 87.3 °F
June 80.5 °F
Warmest sea temperature:
August 81.4 °F
July 80.1 °F
September 77.0 °F
The most cold months:
January 42.6 °F
February 45.4 °F
December 46.8 °F
The most rainy months:
June 5 days
May 4 days
March 3 days
The most windy months:
February 10 mph
January 10 mph
December 9 mph
more details