World Resorts
Bulgaria
St Constantine and Helena Weather
Bulgaria
St Constantine and Helena Weather
St Constantine and Helena Sea Water Temperature
Current Sea Water Temperature:
+78.0°F
| Maximum Sea Water Temperature in September: | 83.4°F |
| Minimum Sea Water Temperature in September: | 67.2°F |
| Average water temperature in September: | 76.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 11 | 78.0°F | September 06 | 79.2°F |
| September 10 | 77.8°F | September 05 | 79.4°F |
| September 09 | 78.4°F | September 04 | 79.4°F |
| September 08 | 78.8°F | September 03 | 79.6°F |
| September 07 | 79.0°F | September 02 | 79.6°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
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
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
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.
Bulgaria Resorts:
NAME
F°
| Albena | ![]() |
+70 |
| Bansko | ![]() |
+62 |
| Burgas | ![]() |
+72 |
| Elenite | ![]() |
+68 |
| Golden Sands | ![]() |
+70 |
| Kranevo | ![]() |
+70 |
| Nesebr | ![]() |
+68 |
| Obzor | ![]() |
+68 |
| Pomorie | ![]() |
+68 |
| Ravda | ![]() |
+68 |
| Sofia | ![]() |
+90 |
| Sozopol | ![]() |
+72 |
| Sunny Beach | ![]() |
+68 |
| Sveti Vlas | ![]() |
+68 |
| Varna | ![]() |
+70 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
St Constantine and Helena
Local time: 20:04
11 sep, friday
| 2100 | ![]() |
70°F | NW 7 mph |
12 sep, saturday
| 0000 | ![]() |
68°F | NW 7 mph |
| 0300 | ![]() |
68°F | N 6 mph |
| 0600 | ![]() |
68°F | N 5 mph |
| 0900 | ![]() |
74°F | N 6 mph |
| 1200 | ![]() |
82°F | NW 7 mph |
| 1500 | ![]() |
80°F | NW 11 mph |
| 1800 | ![]() |
76°F | NW 11 mph |































