7 of the most budget-friendly destinations in Europe
Discover Europe's top budget-friendly destinations including Budapest, Kotor, Krakow, and more, perfect for affordable and exciting travel.
Thinking of visiting Sveti Vlas in December? Expect low temperatures reaching 9°C (48°F) during the day, dropping to 3°C (37°F) at night, and note that quite a bit of rainfall is likely.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Sveti Vlas.
Pick a month to see the average temperature, rainfall and sunshine in Sveti Vlas - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Sveti Vlas typically stay consistent throughout December, with daily highs averaging around 9°C (48°F). Nights are cold, with lows typically ranging from 0°C (32°F) to 3°C (37°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Sveti Vlas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 28 years of weather observations (1997-2025), these are the most extreme conditions recorded in Sveti Vlas.
Find out more about the weather in Bulgaria and which places have the best travel conditions in this month. See all of Bulgaria in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Dress warmly and in layers for your trip to Sveti Vlas in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 11°C (52°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Sveti Vlas climate overview or explore weather in Bulgaria.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
7 of the most budget-friendly destinations in Europe
Discover Europe's top budget-friendly destinations including Budapest, Kotor, Krakow, and more, perfect for affordable and exciting travel.
Meadows in the mountains
Meadows in the mountains is a world away from large line-ups and huge crowds. High in the Rhodope Mountains in Bulgaria.
Cycle the Danube trail
The Danube cycle route is one of the most popular cycling routes in Europe, and rightly so, because it is a varied route that is interesting both in terms of culture and nature.
The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?