There is just one region in December in United Kingdom experiencing the rainy season and this is Wales.

The lowest day temperature in December in United Kingdom can be found in Scotland, where the value of day temperature is 7 °C (45 °F). The day temperature in United Kingdom in December is the highest in Wales - its value is 9 °C (47 °F).

The lowest value of the night temperature in United Kingdom in December can be seen in Scotland with a value of 2 °C (35 °F). The highest night temperature in United Kingdom in December can be found in Wales, where the value of night temperature is 4 °C (39 °F).

The sea temperature in United Kingdom in December is the lowest in England - its value is 10 °C (49 °F). The sea temperature in December in United Kingdom is the highest in England - its value is 10 °C (49 °F).

The lowest number of rainy days in December in United Kingdom can be found in England, where the value of number of rainy days is 13 days. The highest number of rainy days in United Kingdom in December can be found in Northern Ireland, where the value of number of rainy days is 18 days.

The lowest value of the rainfall amount in United Kingdom in December can be seen in England with a value of 72 mm (2.84 in). The highest value of the rainfall amount in United Kingdom in December can be seen in Scotland with a value of 110 mm (4.31 in).

In United Kingdom in December - the region with the lowest wind speed is Scotland. The value in this region is 4. The highest wind speed in December in United Kingdom can be found in Northern Ireland, where the value of wind speed is 6.

In United Kingdom in December - the region with the lowest humidity is Scotland. The value in this region is 90 %. The highest value of the humidity in United Kingdom in December can be seen in Northern Ireland with a value of 91 %.

The lowest value of the number of sun hours (without clouds) in United Kingdom in December can be seen in Scotland with a value of 1 hour. The highest number of sun hours (without clouds) in December in United Kingdom can be found in England, where the value of number of sun hours (without clouds) is 1 hour.

The lowest clear sky percentage in United Kingdom in December can be found in Scotland, where the value of clear sky percentage is 15 %. The highest clear sky percentage in December in United Kingdom can be found in England, where the value of clear sky percentage is 20 %.

The lowest day length in December in United Kingdom can be found in Scotland, where the value of day length is 7 hours. The day length in December in United Kingdom is the highest in England - its value is 8 hours.