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:
+78.2°F
| Maximum Sea Water Temperature in July: | 86.8°F |
| Minimum Sea Water Temperature in July: | 72.0°F |
| Average water temperature in July: | 79.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 12 | 78.2°F | July 07 | 78.2°F |
| July 11 | 78.2°F | July 06 | 78.8°F |
| July 10 | 78.4°F | July 05 | 78.4°F |
| July 09 | 79.0°F | July 04 | 80.4°F |
| July 08 | 78.6°F | July 03 | 81.2°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 2025 for St Constantine and Helena was 81.4°F. The maximum and minimum values were 79.4°F and 83.2°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for St Constantine and Helena was 79.9°F. The maximum and minimum values were 75.6°F and 84.2°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 | ![]() |
+68 |
| Bansko | ![]() |
+44 |
| Burgas | ![]() |
+70 |
| Elenite | ![]() |
+70 |
| Golden Sands | ![]() |
+68 |
| Kiten | ![]() |
+70 |
| Kranevo | ![]() |
+68 |
| Nesebr | ![]() |
+72 |
| Obzor | ![]() |
+70 |
| Pomorie | ![]() |
+72 |
| Ravda | ![]() |
+72 |
| Sofia | ![]() |
+54 |
| Sunny Beach | ![]() |
+70 |
| Sveti Vlas | ![]() |
+70 |
| Varna | ![]() |
+66 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
St Constantine and Helena
Local time: 05:37
13 jul, monday
| 0600 | ![]() |
68°F | SE 7 mph |
| 0900 | ![]() |
74°F | SE 5 mph |
| 1200 | ![]() |
78°F | S 2 mph |
| 1500 | ![]() |
82°F | SW 4 mph |
| 1800 | ![]() |
76°F | NW 2 mph |
| 2100 | ![]() |
66°F | SE 11 mph |
14 jul, tuesday
| 0000 | ![]() |
64°F | SE 8 mph |
| 0300 | ![]() |
62°F | SE 10 mph |





























