Measurements:
°C
°F
St Constantine and Helena
82°F
NW 7 mph
Feels like: 82°F
Precip: 2%
World Resorts Bulgaria St Constantine and Helena Weather

St Constantine and Helena Sea Water Temperature

Current Sea Water Temperature:
+79.2°F
Maximum Sea Water Temperature in August: 84.8°F
Minimum Sea Water Temperature in August: 75.6°F
Average water temperature in August: 81.1°F

Sea Water Temperature for the Last 10 Days:

August 22 79.2°F August 17 79.0°F
August 21 79.2°F August 16 79.2°F
August 20 78.8°F August 15 79.6°F
August 19 79.2°F August 14 79.8°F
August 18 78.8°F August 13 80.8°F

When is the Warmest Sea for St Constantine and Helena?

According to our data for the last three years for St Constantine and Helena the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for St Constantine and Helena was 80.0°F. The maximum and minimum values were 78.6°F and 81.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for St Constantine and Helena was 79.1°F. The maximum and minimum values were 75.6°F and 82.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for St Constantine and Helena was 77.4°F. The maximum and minimum values were 72.0°F and 80.4°F respectively.

Best Time to Visit St Constantine and Helena
The most sunny months:
August 27 days
July 25 days
September 22 days
The most warm months:
August 86.8 °F
July 86.0 °F
June 79.6 °F
Warmest sea temperature:
August 81.2 °F
July 79.7 °F
September 76.6 °F
The most cold months:
January 41.0 °F
February 43.9 °F
December 45.8 °F
The most rainy months:
June 4 days
May 4 days
January 3 days
The most windy months:
February 11 mph
January 11 mph
December 11 mph

St Constantine and Helena on the Weather Map

Bulgaria Resorts:
NAME
Albena +82
Bansko +78
Burgas +82
Elenite +84
Golden Sands +82
Kiten +84
Kranevo +82
Nesebr +84
Obzor +84
Pomorie +84
Ravda +82
Sofia +94
Sunny Beach +84
Sveti Vlas +84
Varna +80
24 Hours Weather Forecast
St Constantine and Helena
Local time: 17:12
22 aug, saturday
1800 82°F
NW
7 mph
2100 72°F
NW
2 mph
23 aug, sunday
0000 70°F
E
5 mph
0300 72°F
E
5 mph
0600 72°F
SE
6 mph
0900 82°F
S
6 mph
1200 90°F
SW
6 mph
1500 90°F
NW
11 mph

Looking for the Best Resort?