December weather forecast
Sofia, Bulgaria

In December, Sofia wears a thick white blanket of snow, with whopping 248mm (9.76") of snowfall recorded in the month. The freezing temperatures transform the city into a winter wonderland. Despite the weather conditions, December is festively bright, thanks to the Christmas lights illuminating the city streets. The daylight hours diminish rapidly, adding to the brisk winter feel. Also, the UV index is at its lowest for the year, reducing sun-induced hazards.

Temperature

With the onset of December, Sofia experiences a modest temperature adjustment, with the average high-temperature receding from a frosty 9.7°C (49.5°F) in November to a cold 4.3°C (39.7°F). In December, Sofia's temperature tends to fall to an average low of -2.4°C (27.7°F) during the night.

Rainfall

In December, in Sofia, the rain falls for 12 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 125 rainfall days, and 582mm (22.91") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. December is the month with the most snowfall in Sofia. Snow falls for 7.2 days and accumulates 248mm (9.76") of snow.

Daylight

December has the shortest days of the year in Sofia, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 07:37 and sunset at 16:54. On the last day of the month, sunrise is at 07:56 and sunset at 17:02 EET.

Sunshine

With an average of 2.1h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.