Nessebar (Sunny Beach) weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: June – August
What is the weather like in Nessebar (Sunny Beach) in December?
In December, Nessebar (Sunny Beach) is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sea averages 10.8 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 9 rainy days and 62 mm in total. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Nessebar (Sunny Beach).
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 20 | 16 | 20 |
| Day | 14° | 9° | 7° |
| Night | 8° | 3° | 1° |
| Sea | 15° | 11° | 8° |
| Sun | 4 h | 4 h | 4 h |
| Rain days | 7 | 9 | 8 |
More details for December
- Daylight
- 9 h 4 min07:32 – 16:36
- UV index
- 1 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 20 km/haverage daily peak
- Cloud cover
- 63 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 2 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Sofia
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %15 %
- Few rainy daysweight 20 %64 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Warm jacket
- Rain jacket or umbrella
Nessebar (Sunny Beach) in December: quick answers
Is Nessebar (Sunny Beach) hot in December?
No. In December, Nessebar (Sunny Beach) is cold: daytime highs average 9 °C and nights drop to about 3 °C.
Can you swim in Nessebar (Sunny Beach) in December?
Only if you don't mind cold water: in December the sea averages just 10.8 °C. Comfortable swimming is possible from June to September.
Does it rain much in Nessebar (Sunny Beach) in December?
Rain is frequent, with about 9 rainy days and 62 mm in total.
Nessebar (Sunny Beach) month by month
The whole year in Nessebar (Sunny Beach)All destinations: Bulgaria
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)