SeasonMapSunny Beach weather in December
Bulgaria
December in Sunny Beach: cold, a little rain, with clean air — one of the weakest months to visit.
#11 of 12 months in Sunny Beach · #1197 of 1383 destinations to visit in December · comfort 48/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sunny Beach in December
Other months in Sunny Beach
Sunny Beach's forum calls the first half of August reliably hot, with the back half cooling off enough at night that a light jacket is worth having. Regulars note the weather can still surprise you — some Augusts bring a run of heavy downpours lasting a few hours, even in what's normally the driest stretch of summer.
Add your own note from Sunny Beach's card on the map.
Sunny Beach climate normals — December
| Daytime high | 11°C / 51°F | 🧥 cold |
|---|---|---|
| Nighttime low | 4°C / 38°F | |
| Feels like (high) | 8°C / 46°F | |
| Sea temperature | 11°C / 51°F | 🥶 cold sea |
| Rainfall | 56 mm / 2.2 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 3°C / 38°F | |
| Sunshine | 5.4 h/day | |
| Daylight | 9.1 h | |
| Wind | 21 km/h / 13 mph | |
| Snowfall | 2.4 cm / 0.9 in | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sunny Beach in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 7 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Sunny Beach's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherSunny Beach's weather peaks July–September, best around August.
Best weatherFair weatherToughest weather
What's on in Sunny Beach in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Closure
The winter shutdown
10 Oct – 30 Apr · usuallyBy the middle of October the loungers are stacked and the strip is boarded up for the winter. Almost nothing stays open; Burgas or Nesebar is where anything still happens. Source ↗
Nearby, and something's on
Within 300 km of Sunny Beach — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Sunny Beach?
Sunny Beach in December — FAQ
- Is December a good time to visit Sunny Beach?
- December in Sunny Beach: cold, a little rain, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Sunny Beach on SeasonMap's comfort score (48/100).
- What is the weather like in Sunny Beach in December?
- In December, Sunny Beach averages a daily high of 10.5°C and a low of 3.5°C, with about 56.2 mm of rain over roughly 8.4 rainy days.
- What is the air quality in Sunny Beach in December?
- Sunny Beach has a mean US Air Quality Index of about 33 in December.
- Does it snow in Sunny Beach in December?
- Sunny Beach sees roughly 2.4 cm of snowfall in December.
Other months in Sunny Beach
Compare Sunny Beach in December
Warmer or cooler than Sunny Beach in December
Similar destinations in Eastern Europe — December
Within 300 km: Istanbul's Hamsi season around 1 Nov – 28 Feb, and Bucharest's Christmas market around 27 Nov – 27 Dec.