January in Donghae City averages a daily high of 5.1°C. Rain is rare — about 2 wet days and 3mm across the month. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Donghae City is September–October.
Based on GANGNEUNG, KS (32.9km), 1995–2024. 21 years of January data.