December weather forecastBucharest, Romania

Weather in December

December fully embraces winter in Bucharest, as temperatures keep sliding towards the year's lowest points. The city slips under a snowy spell, with snowfall increasing from November's 88mm (3.46") to a solid 105mm (4.13"). Days become the shortest of the year, with an average daylight span of 8.9 hours only. The city gets decked with holiday decorations, providing a magical atmosphere against the frosty winter backdrop.

Temperature

December in Bucharest involves a decrease in temperature, down from a cool 10°C (50°F) in November to a wintry 3.8°C (38.8°F). In Bucharest, the December nights cool down to an average low of -2.6°C (27.3°F).

Humidity

The most humid month is December, with an average relative humidity of 90%.

Rainfall

In December, the rain falls for 6 days. Throughout December, 43mm (1.69") of precipitation is accumulated. Throughout the year, in Bucharest, there are 72 rainfall days, and 595mm (23.43") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Bucharest. Throughout December, in Bucharest, 105mm (4.13") of snow is accumulated. Throughout the year, 560mm (22.05") of snow is accumulated.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:32 and sunset at 16:37. On the last day of December, in Bucharest, sunrise is at 07:51 and sunset at 16:45 EET.

Sunshine

December has the least sunshine of the year, 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 in Bucharest. 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: A daily maximum UV index of 1 in December translates into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.