Current sea water temperature:
+52.0°F
| Minimum sea water temperature in December: | 58.8°F |
| Maximum sea water temperature in December: | 45.0°F |
| Average sea water temperature in December: | 51.0°F |
| more information | |
14 days
forecast
forecast
| Sunny Beach |
monthly
weather
weather
| Sunny Beach |
Sea water temperature for the last 10 days:
| December 24 | 52.0°F | December 19 | 52.7°F |
| December 23 | 52.3°F | December 18 | 52.5°F |
| December 22 | 52.3°F | December 17 | 52.9°F |
| December 21 | 52.7°F | December 16 | 53.4°F |
| December 20 | 53.1°F | December 15 | 54.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Sunny Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sunny Beach was noticed in August, July and September.
Monthly Sea Temperatures in Sunny Beach, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 78.3°F. The highest and lowest sea temperatures during the month were 80.1°F and 76.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 80.6°F and 74.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 77.4°F and 70.5°F.
current
weather
weather
| Sunny Beach |
weather in
December
December
| Sunny Beach |
Best time for vacation in Sunny Beach
Sunny Beach on a weather map
Places in Bulgaria:
Name
°F
24 Hours Forecast
Sunny Beach
Local time: 14:59
December 24, wednesday
1500
52°F
W
12 mph
12 mph
1800
52°F
W
17 mph
17 mph
2100
50°F
W
22 mph
22 mph
December 25, thursday
0000
48°F
W
22 mph
22 mph
0300
48°F
SW
22 mph
22 mph
0600
48°F
SW
23 mph
23 mph
0900
46°F
SW
24 mph
24 mph
1200
48°F
SW
23 mph
23 mph
