Sveti Vlas Weather: December
 |
Average Day Temperature: | 47.1°F |
|
Average Night Temperature: | 41.1°F |
|
Sea Water Temperature: | 51.2°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 9.0 - 9.3 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.4 in | |
| detailed information | ||
forecast
| Sveti Vlas |
Temperature
| Sveti Vlas |
Air Temperature in December, °F
The highest day temperature in December 2025 was 58°F. The lowest night temperature was 28°F. The average values for day and night temperatures during December were 49.1°F и 43.3°F respectivly.
Sveti Vlas Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Sveti Vlas was 54.7°F. The maximum and minimum values were 51.0°F and 60.0°F respectively.
You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Sveti Vlas is 1.4 in.
The average wind speed in December is 10.0 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sveti Vlas in December is 4.9 hours.
Sveti Vlas on the Weather Map
| Bansko |  |
+10 |
| Burgas | |
+32 |
| Byala | |
+32 |
| Chernomorets | |
+32 |
| Elenite | |
+32 |
| Golden Sands | |
+28 |
| Nesebr | |
+32 |
| Obzor | |
+32 |
| Pomorie | |
+32 |
| Ravda | |
+32 |
| Sarafovo | |
+32 |
| Sofia | |
+20 |
| Sunny Beach | |
+32 |
| Sveti Vlas | |
+32 |
| Varna | |
+26 |
| 0900 |  |
32°F | E 17 mph |
| 1200 | |
38°F | E 14 mph |
| 1500 | |
40°F | E 11 mph |
| 1800 |  |
36°F | NE 6 mph |
| 2100 |  |
36°F | NE 7 mph |
| 0000 | |
36°F | NE 7 mph |
| 0300 | |
36°F | NE 7 mph |
| 0600 | |
38°F | E 7 mph |