World Resorts Bulgaria St Constantine and Helena Weather

St Constantine and Helena 14 Days Forecast

17.05
sun
Day
64°F
SE 14 mph
Precip.
75%
Night
54°F
SE 18 mph
Precip.
0%
18.05
mon
Day
66°F
SE 14 mph
Precip.
100%
Night
55°F
E 7 mph
Precip.
0%
19.05
tue
Day
68°F
NW 4 mph
Precip.
62%
Night
55°F
SE 4 mph
Precip.
0%
20.05
wed
Day
66°F
SW 12 mph
Precip.
100%
Night
61°F
SE 16 mph
Precip.
75%
21.05
thu
Day
66°F
S 27 mph
Precip.
100%
Night
61°F
SE 19 mph
Precip.
0%
22.05
fri
Day
70°F
S 19 mph
Precip.
100%
Night
63°F
S 16 mph
Precip.
0%
23.05
sat
Day
63°F
S 21 mph
Precip.
83%
Night
63°F
S 14 mph
Precip.
100%
24.05
sun
Day
66°F
S 17 mph
Precip.
0%
Night
57°F
SE 7 mph
Precip.
0%
25.05
mon
Day
70°F
W 7 mph
Precip.
0%
Night
57°F
NE 1 mph
Precip.
0%
26.05
tue
Day
70°F
W 6 mph
Precip.
100%
Night
57°F
S 3 mph
Precip.
0%
27.05
wed
Day
66°F
SW 11 mph
Precip.
100%
Night
57°F
S 7 mph
Precip.
0%
28.05
thu
Day
68°F
W 13 mph
Precip.
100%
Night
55°F
SW 5 mph
Precip.
0%
29.05
fri
Day
66°F
W 7 mph
Precip.
0%
Night
59°F
W 11 mph
Precip.
0%
30.05
sat
Day
64°F
W 11 mph
Precip.
0%
Night
57°F
W 6 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 55.7°F. The highest and lowest sea temperatures during the month were 58.8°F and 53.6°F.

Air temperature in St Constantine and Helena, °F

Precipitation total in St Constantine and Helena, in.

* Charts above show average data for the last 3 years.

Best time for vacation in St Constantine and Helena

Sunniest months:
August 27 days
July 25 days
September 22 days
Warmest months:
August 83.1 °F
July 82.6 °F
June 76.7 °F
Warmest sea temp:
August 78.1 °F
July 76.8 °F
September 74.0 °F
Coldest months:
January 41.9 °F
February 44.5 °F
December 46.2 °F
Rainiest months:
June 4 days
May 4 days
January 3 days
Windiest months:
February 11.5 mph
January 11.2 mph
December 11.2 mph

St Constantine and Helena on a weather map

St Constantine and Helena
+59°F
SE 14 mph
Feels like: +55°F
Precip.: 0%
Places in Bulgaria:
Name
°F
+59°F
+46°F
+61°F
+59°F
+61°F
+59°F
+59°F
+61°F
+61°F
+61°F
+61°F
+61°F
+61°F
+61°F
+46°F
24 Hours Forecast
St Constantine and Helena
Local time: 07:45
May 17, sunday
0900
59°F
SE
14 mph
1200
64°F
SE
14 mph
1500
64°F
SE
17 mph
1800
61°F
SE
19 mph
2100
55°F
SE
17 mph
May 18, monday
0000
54°F
SE
18 mph
0300
52°F
SE
17 mph
0600
54°F
SE
16 mph
Units of measurement: °C / °F