December marks the onset of winter in
Sinaia, with the average maximum temperature dropping to 0°C (32°F). The city receives almost the same amount of rainfall as in
November, amounting to 58mm (2.28"), enough to transform into fair amounts of snow. The lower temperatures combined with the shortest daylight hours of the year reinforce the city's captivating winter charm. Despite the cold, the UV index drops to 1, creating an almost magical atmosphere in the city. Going into the next year, similar weather conditions continue with slightly increased rainfall.
Temperature
December's arrival coincides with a drop in the average high-temperature, decreasing from November's wintry 5°C (41°F) to a still cold 0°C (32°F). In Sinaia, the nighttime temperature averages to a subzero cold -7°C (19.4°F) during December.
Rainfall
In December, the rain falls for 16 days. Throughout December, 58mm (2.28") of precipitation is accumulated. Throughout the year, in Sinaia,
Romania, there are 178 rainfall days, and 939mm (36.97") of precipitation is accumulated.
Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 07:37 and sunset at 16:36. On the last day of the month, sunrise is at 07:57 and sunset at 16:44 EET.
Sunshine
The month with the least sunshine is December, with an average of 2h of sunshine.
UV index
The months with the lowest UV index are
January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 1 during December translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.