Dr Roy Spencer: The average lower tropospheric temperature (LT) anomaly for December, 2020 was +0.27 deg. C, down substantially from November (0.53deg. C).. a comparison from one year ago (December 2019 = 0.56 deg. C) shows a fall of 0.29 deg. C
https://www.drroyspencer.com/2021/01/uah-global-temperature-update-for-december-2020-0-27-deg-c/