December weather forecastNessebar, Bulgaria

Weather in December

Concluding the calendar year, December brings a return of cold winter weather to Nessebar. With low and high temperatures varying from 1°C (33.8°F) to 7°C (44.6°F), December presents milder temperatures than the chilling month of January. The climatic conditions in this month showcase increased rainfall, short daylight and sunshine hours, and the sea temperature deescalating further. In comparison to November, December adds more cold and precipitation to Nessebar's weather picture, making the winter environment paramount once again.

Temperature

Nessebar observes a minor decrease in the average high-temperature with the arrival of December, falling from November's moderate 13°C (55.4°F) to a chilly 7°C (44.6°F). Nessebar experiences an average low-temperature of 1°C (33.8°F) in month of December.

Rainfall

In Nessebar, during December, the rain falls for 8 days and regularly aggregates up to 60mm (2.36") of precipitation. In Nessebar, Bulgaria, during the entire year, the rain falls for 76 days and collects up to 566mm (22.28") of precipitation.

Sea temperature

In Nessebar, the average seawater temperature in December is 10°C (50°F).
Note: To swim in 10°C (50°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 07:19 and sunset at 16:36. On the last day of December, in Nessebar, sunrise is at 07:39 and sunset at 16:45 EET.

Sunshine

The month with the least sunshine in Nessebar is December, with an average of 2h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a regular UV index of 1 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.