Seoul weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Seoul, South Korea. Like most weather services, we show Seoul at one spot: Seoul, its largest city. At 8:30 AM local time it was drizzle and 6°C (43°F). Mostly light, on-and-off rain; heavier around 4 PM, 8 PM (8.1 mm total). Best months for weather: May–Jun, Sep–Oct.
Current conditions
- Clouds
- 89%
- Chance of rain
- 85%
- Rain
- 0.6 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 4 PM, 8 PM (8.1 mm total)
Daily Forecast
Best Time to Visit
Peak season May–Jun, Sep–OctOff season Jul–Aug, Dec–Feb
About Seoul weather
Is it raining in Seoul right now?
Yes. It’s drizzle and 6° right now. Mostly light, on-and-off rain; heavier around 4 PM, 8 PM (8.1 mm total).
What’s the weather like in Seoul this week?
Over the next 7 days, expect highs of 6–16° and lows of -2–10°. Rain is likely on 2 of 7 days (Sunday, Thursday). The driest day looks like Tuesday.
Has it been raining in Seoul lately?
Barely. The past 7 days were mostly dry, with 0.1 mm of rain in total.
What should I pack for Seoul?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Seoul weather by month
When is the best time to visit Seoul?
Based on weather alone, the best time to visit Seoul is May–Jun, Sep–Oct, according to NASA's 2001–2025 climate averages. Jul–Aug, Dec–Feb tends to be the least pleasant. Average highs run from 1°C (33°F) in January to 28°C (83°F) in August.
What is the rainiest month in Seoul?
July is the wettest month, with about 361 mm (14.2 in) of rain on average. January is the driest, with about 20 mm (0.8 in).
What is the hottest month in Seoul?
August is the warmest, with average highs of 28°C (83°F) and lows of 22°C (71°F). January is the coolest, with highs of 1°C (33°F) and lows of -7°C (19°F).
Does Seoul have a rainy season?
Yes. Jul–Aug is the rainy season (150 mm or more a month), while Oct–Mar is usually dry (under 60 mm).
Seoul weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Seoul), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Seoul
Weather can differ a lot within Seoul: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Seoul | May–Jun, Sep–Oct | Jul–Aug | 1–28°C | 1,241 mm |
| Siheungdong | May–Jun, Sep–Oct | Jul–Aug | 1–28°C | 1,241 mm |