1. Gwanghwamun museums
Use the plaza area and nearby museums as a simple starting point when outdoor visibility is poor.
Rainy-day Seoul route
When Seoul weather turns wet, Jongno still works. The easiest plan is to use Anguk and Gwanghwamun as anchors, then move between museums, craft spaces, covered commercial areas, and short cafe breaks.
Use the plaza area and nearby museums as a simple starting point when outdoor visibility is poor.
Move toward Seoul Museum of Craft Art, MMCA Seoul, and nearby cultural spaces when you want a calm middle section.
Finish with Ikseon-dong or a cafe near Seosulla-gil if the rain slows down enough for a short alley walk.