From NOAA’s December 2022 Global Climate Report:
December 2022 ranked as the eighth-warmest December in NOAA’s 143-year record. The December global surface temperature was 1.44°F (0.80°C) above the 20th-century average of 54.0°F (12.2°C). December 2022 marked the 46th consecutive December and the 456th consecutive month with temperatures, at least nominally, above the 20th-century average.
December in Africa tied 2016 to rank as second warmest on record.
December in Italy ranked second-warmest on record.
The United Kingdom had a cooler-than-average December—the only month of 2022 to have a below-average monthly temperature.
Links for the time series data at the top of the page.