Happy in Korea

  Short answer: Pack layers. October in Seoul averages a high of about 20°C (68°F) and a low of about 9°C (49°F), so afternoons feel like a T-shirt day while mornings and nights need a light jacket. It gets cooler every week, so late October calls for one more warm layer than early October. Hi from Korea! October is honestly my favorite month here. The summer humidity is gone, the sky is clear, and the mountains start turning red and gold. But it's also the month when I see the most travelers either shivering in a T-shirt at night or sweating in a puffer jacket at noon. Here's a simple guide so you can pack right the first time. Korea Weather in October at a Glance Time Seoul temperature What it feels like Mid-October about 21°C / 11°C Warm afternoons, cool mornings Around Oct 20 about 19°C / 9°C Crisp all day, jacket weather Late October cooler still Chilly nights, first cold snaps Rain Rain falls on only about 1 in 5 days. Mostly dry and sunny. The big thin...