The mean minimum air temperature in December is forecast to be above the multiannual average, around 0.5ºC to 1.0ºС  above the multiannual average. In Belgrade and its wide vicinity, the mean December minimum temperature is forecast to be 2.3ºC.

The mean maximum air temperature in December is forecast to be slightly above the multiannual average, ranging from 1.0ºС to 2.0ºС above the multiannual average. In Belgrade and its wide vicinity, the mean December maximum temperature is forecast to be 8.0ºC.

The mean precipitation sums in December are forecast to be within the multiannual average, around 5 mm above the multiannual average in most of the country. In Belgrade and its wide vicinity, the mean December precipitation sums are forecast to be around 51 mm.