South Korea

Best Time to Run in Seoul

Today's best window: 9 PM10 PM. Full verdict and 7-day windows below.

Get Seoul Weather in the App
Today in SeoulFair

Best window to run: 9 PM10 PM

Temperature
74°F
Humidity
77%
Wind
3 mph

Today in Seoul. Best window to run: 9 PM–10 PM. 74°F, feels 79°, 77% humidity. Backup window: 9 AM–12 PM. The verdict: it's runnable, just not perfect.

Forecast generated Thu, 18 Jun 2026 02:41:31 GMTRun Window engine

7-Day Run Windows for Seoul

The best hour to run each day, scored against the Run Window engine.

Today
06-18
9 PM10 PM
74°F, feels 79°, 77% humidity
Fair
Tomorrow
06-19
6 AM9 AM
69°F, feels 75°, 86% humidity
Fair
Saturday
06-20
9 PM10 PM
70°F, 89% humidity
Fair
Sunday
06-21
6 AM9 AM
69°F, feels 74°, 82% humidity
Fair
Monday
06-22
9 AM12 PM
70°F, 72% humidity
Good window
Tuesday
06-23
9 PM10 PM
70°F, 10 mph wind
Good window
Wednesday
06-24
6 AM9 AM
70°F, clear
Good window

Windows are calculated for a default runner comfort zone. With Run Window installed, these tune to your own preferences as you log runs.

Quick Answer: Running in Seoul

Best MonthsApril, May, September, October
Temp Range18°F – 86°F
ClimateHumid continental
Top TipMonsoon season (June-July) brings heavy rain

Running in Seoul: A Seasonal Guide

Seoul's humid continental climate shapes the running experience across all four seasons. Warm summers and the transition seasons define the running calendar. Humidity can be the hidden factor that makes or breaks a run here.

Peak season (April and May): Mild temperatures and lower humidity create conditions most runners dream about. You can comfortably run at almost any time of day.

Off-season strategy: In summer, morning runs before 8 AM avoid the worst heat. In winter, midday runs let you catch the warmest hours.

Local runners know that air quality can be poor - check aqi. Also worth noting: han river paths are extensive and popular.

Best Months to Run

AprilMaySeptemberOctober

April, May, September, October offer the most comfortable running conditions in Seoul. During these months, you'll find mild temperatures and manageable weather patterns perfect for outdoor running.

Seasonal Running Temperatures

Temperature Range by Season

Ideal running range (44–59°F)
Winter
18°35°
Spring
42°65°
Summer
70°86°
Fall
45°68°
10°F30°F50°F70°F90°F
Winter

Low: 18°F

High: 35°F

Spring

Low: 42°F

High: 65°F

Summer

Low: 70°F

High: 86°F

Fall

Low: 45°F

High: 68°F

Running Weather Tips for Seoul

1

Monsoon season (June-July) brings heavy rain

2

Air quality can be poor - check AQI

3

Han River paths are extensive and popular

4

Cherry blossom season is beautiful for running

Popular Running Routes in Seoul

Han River ParkBukhansan National ParkOlympic Park

Frequently Asked Questions

What's today's best window to run in Seoul?+
Today in Seoul. Best window to run: 9 PM–10 PM. 74°F, feels 79°, 77% humidity. Backup window: 9 AM–12 PM. The verdict: it's runnable, just not perfect.
What is the best time to run in Seoul?+
The best months for running in Seoul are April, May, September, October. Seoul has a humid continental climate, so plan your runs accordingly.
What weather challenges do runners face in Seoul?+
Monsoon season (June-July) brings heavy rain
What are the average running temperatures in Seoul?+
Winter temperatures range from 18°F to 35°F, while summer temperatures range from 70°F to 86°F.

Get Personalized Run Windows for Seoul

Run Window analyzes hourly weather in Seoul and learns your preferences to tell you exactly when to run. No more checking multiple weather apps.

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