The lowest day temperature in Romania in December can be found in Central Romania, where the value of day temperature is 2 °C (36 °F). The highest day temperature in December in Romania can be found in Romania - Coast, where the value of day temperature is 6 °C (42 °F).

The lowest night temperature in Romania in December can be found in Central Romania, where the value of night temperature is -5 °C (24 °F). The highest night temperature in December in Romania can be found in Romania - Coast, where the value of night temperature is 0 °C (32 °F).

In December in Romania - the region with the lowest sea temperature is Romania - Coast. The value in this region is 9 °C (48 °F). The highest sea temperature in Romania in December can be found in Romania - Coast, where the value of sea temperature is 9 °C (48 °F).

The lowest number of rainy days in Romania in December can be found in Romania - Coast, where the value of number of rainy days is 7 days. The number of rainy days in Romania in December is the highest in Central Romania - its value is 8 days.

The lowest rainfall amount in December in Romania can be found in Romania - Coast, where the value of rainfall amount is 36 mm (1.40 in). The highest rainfall amount in Romania in December can be found in Central Romania, where the value of rainfall amount is 36 mm (1.43 in).

The lowest value of the wind speed in Romania in December can be seen in Central Romania with a value of 2. In Romania in December - the region with the highest wind speed is Romania - Coast. The value in this region is 5.

The humidity in Romania in December is the lowest in Romania - Coast - its value is 86 %. The highest humidity in December in Romania can be found in Central Romania, where the value of humidity is 89 %.

The lowest number of sun hours (without clouds) in Romania in December can be found in Romania - Coast, where the value of number of sun hours (without clouds) is 2 hours. In December in Romania - the region with the highest number of sun hours (without clouds) is Central Romania. The value in this region is 2 hours.

The lowest value of the clear sky percentage in Romania in December can be seen in Romania - Coast with a value of 21 %. The highest value of the clear sky percentage in December in Romania can be seen in Central Romania with a value of 22 %.

The lowest day length in December in Romania can be found in Central Romania, where the value of day length is 9 hours. The highest value of the day length in December in Romania can be seen in Romania - Coast with a value of 9 hours.