Surviving Korean Winters and Summers in Hyehwa, Seoul: A Brutally Honest Expat Guide

I still remember my first winter in Hyehwa like it was yesterday—and not fondly. I stepped out of my one-room near exit 4 of Hyehwa Station, dressed in what I thought was a respectable Seoul winter coat, only to have the wind cut through me like a knife. My nose hairs froze. My hands went numb in thirty seconds. I made it to the CU convenience store, bought a hot pack, and stood there clutching it like a lifeline while elderly Korean women in their sixties walked past me in nothing but light jackets, looking completely unbothered. That was the day I realized: surviving Korea’s seasons is not about toughness. It’s about strategy.

Hyehwa sits in a valley of sorts, tucked between the hills of Daehangno and the surrounding university district. That geography matters. In winter, cold air sinks and lingers. In summer, humidity pools and refuses to leave. You’re not just fighting the season—you’re fighting the microclimate of north-central Seoul. Here’s how to actually survive it.

Layer Like Your Life Depends On It (Because Your Comfort Does)

Koreans have mastered the art of layering, and you need to copy them immediately. The secret is not one thick coat—it’s three thin, functional layers underneath. Start with a moisture-wicking base layer (heattech from Uniqlo is everywhere in Korea and worth every won). Add a fleece or thin down mid-layer. Then top it with a proper Korean-style long padding coat. These are the puffy, knee-length coats you’ll see every third person wearing in Hyehwa from November through March. They look ridiculous until you realize everyone is warm and you’re not.

For your extremities: buy a neck gaiter, not a scarf. Scarves unwrap. Gaiters stay put. Get touchscreen-compatible gloves because you will absolutely need to check Kakao Maps while your fingers are freezing. And invest in thermal socks—the kind your grandmother would approve of. Korean winters regularly hit -10°C to -15°C in January, and with wind chill, it feels worse.

Master the Ondol and the Air Circulation Game

Korean apartments use ondol—underfloor heating. It’s fantastic, but it comes with a learning curve. The thermostat is not like what you’re used to. In older Hyehwa buildings (and there are many), you’ll often find a boiler control panel with Korean-only buttons. Take a photo, use Papago to translate it, and figure out the schedule function. Running ondol constantly will destroy your gas bill. Running it too little means frozen pipes—which happened to a friend of mine in a Hyehwa villa and cost him 400,000 won in repairs.

Here’s the counterintuitive part: Korean winters are dry. Painfully dry. The ondol heat sucks every drop of moisture from the air. You’ll wake up with a sore throat and cracked lips within a week. Buy a humidifier immediately. Not the fancy ultrasonic kind—a simple evaporative one. And crack a window for five minutes twice a day, even when it’s freezing outside. Koreans call this hwanki (ventilation), and it prevents mold, stale air, and the dreaded “ondol headache.”

Survive Summer with Dehumidifiers and Strategic Escapes

Summer in Hyehwa is a different beast. From late June through August, you’re dealing with jangma (the rainy season) followed by oppressive heat and humidity that makes you feel like you’re breathing through a wet towel. The subway from Hyehwa Station becomes a sauna. Your apartment will develop a faint smell of mildew if you don’t act fast.

Buy a dehumidifier. Not a small desktop one—a proper compressor dehumidifier with a hose attachment so you can run it continuously. Your rice will mold, your shoes will smell, and your bedding will feel damp at night without one. Also, embrace the Korean summer survival trifecta: air conditioning, cold barley tea (boricha), and the local swimming pool or jjimjilbang. Hyehwa has plenty of cafes with strong AC where you can camp out with a single Americano for hours. Nobody will judge you. They’re doing the same thing.

The Brutal Truth: Korea’s Seasons Will Humble You, and Your Home Country’s Advice Won’t Help

Here’s the harsh reality nobody tells you before you move: you cannot prepare for Korean seasons using the logic from your home country. If you’re from a place with mild winters, you will underestimate the cold and suffer. If you’re from a dry climate, you will be blindsided by the humidity. The Korean peninsula’s climate is extreme in ways that don’t show up on a simple weather app. And the housing stock in Hyehwa—lots of older villas and one-rooms—is not built to the same insulation standards as new apartments in Gangnam. You will pay more for heating and cooling than you expect. You will be uncomfortable at some point. Accept it, prepare for it, and stop comparing it to back home. That comparison will only make you miserable.

You’ve Got This—Just Don’t Do It Alone

Look, surviving your first full cycle of Korean seasons in Hyehwa is a rite of passage. Every expat here has a horror story about the cold or the humidity. The ones who thrive are the ones who ask for help, copy what the locals do, and invest a little money upfront in the right gear. Find your neighborhood ajumma at the local market and ask her what she wears in winter. Join the Hyehwa expat Facebook group and ask about boiler settings. Buy the ugly long padding coat. You’ll look like everyone else, and you’ll be warm. That’s the trade-off, and it’s worth it. Welcome to the neighborhood. You’re going to make it.

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