Seoul · May
Run in the morning.
Comfortable average high of 73°F, dipping to 53°F at night. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
Avg high / low
73° / 53°F
Humidity
68%
Rain days
10/mo
Wind
11 mph
What May feels like in Seoul
Sunrise
05:23
Mid-month average
Sunset
19:34
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Seoul in May
The kit for May in Seoul: shorts and a short-sleeve are the standard kit.
May vs the surrounding months
vs April
+10° avg high
+1 rain days
Seoul in April →
May
73°F avg high
10 rain days
Best: morning
vs June
-7° avg high
-4 rain days
Seoul in June →
Frequently Asked Questions
What is the best time of day to run in Seoul in May?+
Morning. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
What's the average temperature in Seoul in May?+
Average high 73°F, average low 53°F.
How does May compare to surrounding months in Seoul?+
Compared to April (avg high 64°F), May is warmer. Compared to June (avg high 80°F), May is cooler.
Does it rain often in Seoul in May?+
Expect about 10 measurable rain days in May, on average.