Breathtaking unseasonable warmth covered western and eastern Japan on Fri and Sat.
— Sayaka Mori (@sayakasofiamori) December 16, 2023
Numerous December records were broken, including Sakai reaching 23.4℃ (74F), which is 12.5℃ (22F) higher than normal. It was the warmest December day since records began in 1883! pic.twitter.com/swHcQbHaMd