Measurements:
°C
°F
St Constantine and Helena
74°F
N 7 mph
Feels like: 74°F
Precip: 10%
World Resorts Bulgaria St Constantine and Helena Weather

7 Day Weather Forecast

10.06
tue
DAY
72°F
N 4 mph
precip
9%
NIGHT
58°F
NE 4 mph
precip
6%
10.07
wed
DAY
72°F
NW 9 mph
precip
1%
NIGHT
62°F
N 7 mph
precip
22%
10.08
thu
DAY
68°F
N 12 mph
precip
16%
NIGHT
60°F
NW 4 mph
precip
12%
10.09
fri
DAY
80°F
NE 6 mph
precip
1%
NIGHT
70°F
SE 6 mph
precip
13%
10.10
sat
DAY
74°F
W 5 mph
precip
12%
NIGHT
62°F
SW 2 mph
precip
30%
10.11
sun
DAY
74°F
NW 7 mph
precip
9%
NIGHT
62°F
W 2 mph
precip
30%
10.12
mon
DAY
74°F
SE 11 mph
precip
13%
NIGHT
62°F
SE 10 mph
precip
20%

St Constantine and Helena Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for St Constantine and Helena was 18.4°F. The maximum and minimum values were 16.8°F and 20.9°F respectively.

St Constantine and Helena on the Weather Map

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 86.7 °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