Current sea water temperature:
+59.0°F
| Minimum sea water temperature in May: | 69.4°F |
| Maximum sea water temperature in May: | 50.9°F |
| Average sea water temperature in May: | 60.7°F |
| more information | |
14 days
forecast
forecast
| Sunny Beach |
monthly
weather
weather
| Sunny Beach |
Sea water temperature for the last 10 days:
| May 16 | 59.0°F | May 11 | 58.8°F |
| May 15 | 58.3°F | May 10 | 57.4°F |
| May 14 | 59.7°F | May 9 | 56.3°F |
| May 13 | 59.7°F | May 8 | 55.9°F |
| May 12 | 58.6°F | May 7 | 55.0°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
May
May
| 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: 05:38
May 17, sunday
0600

57°F
SE
9 mph
9 mph
0900

59°F
SE
12 mph
12 mph
1200

64°F
SE
14 mph
14 mph
1500

64°F
SE
15 mph
15 mph
1800

63°F
SE
16 mph
16 mph
2100

57°F
SE
16 mph
16 mph
May 18, monday
0000

52°F
SE
12 mph
12 mph
0300

52°F
SE
11 mph
11 mph


























