12.18
thu
thu
DAY

50°F
E 7 mph
precip
0%
0%
NIGHT

48°F
E 4 mph
precip
0%
0%
12.19
fri
fri
DAY

52°F
S 1 mph
precip
0%
0%
NIGHT

46°F
S 4 mph
precip
0%
0%
12.20
sat
sat
DAY

50°F
SW 6 mph
precip
0%
0%
NIGHT

48°F
S 6 mph
precip
64%
64%
12.21
sun
sun
DAY

50°F
SW 11 mph
precip
78%
78%
NIGHT

50°F
SW 11 mph
precip
83%
83%
12.22
mon
mon
DAY

52°F
SW 11 mph
precip
100%
100%
NIGHT

48°F
W 6 mph
precip
0%
0%
12.23
tue
tue
DAY

52°F
N 9 mph
precip
0%
0%
NIGHT

50°F
N 7 mph
precip
56%
56%
12.24
wed
wed
DAY

54°F
NE 4 mph
precip
76%
76%
NIGHT

48°F
SE 5 mph
precip
0%
0%
Weather in
December
December
| Sunny Beach |
14 day weather
forecast
forecast
| Sunny Beach |
Monthly weather
averages
averages
| Sunny Beach |
Sea water
temperature
temperature
| Sunny Beach |
Sunny Beach Sea Water Temperature in December, °F
The average sea surface temperature in December 2025 for Sunny Beach was 13.3°F. The maximum and minimum values were 11.4°F and 14.9°F respectively.
Bulgaria Resorts:
NAME
F°
| Bansko | ![]() |
+42 |
| Burgas | ![]() |
+50 |
| Byala | ![]() |
+50 |
| Chernomorets | ![]() |
+50 |
| Elenite | ![]() |
+50 |
| Golden Sands | ![]() |
+52 |
| Nesebr | ![]() |
+50 |
| Obzor | ![]() |
+50 |
| Pomorie | ![]() |
+50 |
| Ravda | ![]() |
+50 |
| Sofia | ![]() |
+48 |
| Sozopol | ![]() |
+50 |
| Sunny Beach | ![]() |
+50 |
| Sveti Vlas | ![]() |
+50 |
| Varna | ![]() |
+52 |




























