Sunny Beach Resort

Avg weather in December
9 Hrs per day
60 mm per month
77 % avg
9 Mph avg

Sunny Beach Resort Weather in December

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What’s the weather like in Sunny Beach in December?

It’s a mild to cold time of the year to visit this attractive resort on the eastern shores of Bulgaria. The Sunny Beach weather in December will probably see temperatures struggle to hit 10°C, but there’s a good share of winter sunshine and the rainfall is moderate.

Geographical influences

The biggest influence in this area of Bulgaria is the Black Sea. In December its temperature drops to an average of 9°C, which produces crisp air over the land close to it. Colder air can sometimes blow south from northern Europe.


Expect to see some rain in Sunny Beach at this time, with an average of 60mm across eight rain-affected days. The average daytime temperature is around 9°C, with occasional lows of about 3°C on colder days. If you go out in the evening for a walk or a meal you should take a jacket, because it can fall to just 2°C at night time. The weather in Sunny Beach in December produces around five hours of sunshine from 11 hours of daylight. The sun doesn’t set until nearly 5pm at the end of December. The temperature of the Black Sea is too cold for a swim and you can expect the humidity to measure 77% at Christmas time.

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